/* ==========================================================================
   SolviaInvoiceFlow BlazorAdmin - Design System
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */
:root {
    /* Primary Colors */
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-primary-dark: #1e40af;

    /* Accent Colors */
    --color-accent: #0891b2;
    --color-accent-hover: #0e7490;
    --color-accent-light: #cffafe;

    /* Neutral Colors */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-success-dark: #059669;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-warning-dark: #d97706;
    --color-error: #ef4444;
    --color-error-light: #fee2e2;
    --color-error-dark: #dc2626;
    --color-info: #3b82f6;
    --color-info-light: #dbeafe;
    --color-info-dark: #2563eb;

    /* Background Colors */
    --bg-body: #f3f4f6;
    --bg-sidebar: #1f2937;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --bg-primary: #ffffff;           /* alias of --bg-card for legacy refs (main-header, .tab-active) */

    /* Text Colors */
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-muted: #6b7280;           /* gray-500 — 4.62:1 on white, WCAG AA compliant */
    --text-inverse: #ffffff;
    --text-link: #2563eb;

    /* Border Colors */
    --border-color: #e5e7eb;
    --border-color-dark: #d1d5db;
    --border-focus: #2563eb;

    /* Focus ring — used by .btn, .form-control, :focus-visible */
    --shadow-focus:       0 0 0 3px rgba(37, 99, 235, 0.35);
    --shadow-focus-error: 0 0 0 3px rgba(239, 68, 68, 0.25);

    /* Monospace font stack — used by ServiceConfig, ServiceAccounts, .mono utility */
    --font-mono: 'Monaco', 'Consolas', 'Courier New', monospace;

    /* Accent purple — used by notification type "task-assigned" (NotificationPanel + Notifications) */
    --color-accent-purple:       #a855f7;
    --color-accent-purple-light: rgba(168, 85, 247, 0.1);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    /* NOTE: 15px base (not 16px) is an intentional density choice for a dense
       admin UI. All --font-size-* tokens derive from this. Do not "normalize"
       to 16px without a visual audit of every page — it will subtly reflow
       every element that uses rem-based sizing. */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --spacing-0: 0;
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;

    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-tooltip: 1060;
    --z-toast: 1070;

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;

    /* Breakpoints — single source of truth. CSS variables are NOT resolvable
       inside @media conditions, so every media query must literally repeat
       one of these numeric values. Do not invent new breakpoints elsewhere. */
    --bp-sm:  640px;   /* phones landscape, small tablets */
    --bp-md:  768px;   /* tablets portrait */
    --bp-lg: 1024px;   /* tablets landscape, small desktops — sidebar collapses BELOW this */
    --bp-xl: 1280px;   /* desktops — 2-column layouts collapse below this */
    --bp-2xl: 1536px;  /* wide desktops */
}

/* ==========================================================================
   Keyboard Focus (WCAG 2.4.7) — applied globally, refined per component
   ========================================================================== */
:focus { outline: none; }

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.btn:focus-visible,
.form-control:focus-visible {
    box-shadow: var(--shadow-focus);
    outline: none;
}

.form-control.is-invalid:focus-visible {
    box-shadow: var(--shadow-focus-error);
    outline: none;
}

.nav-link:focus-visible {
    background-color: rgba(255, 255, 255, 0.1);
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.modal-close:focus-visible,
.toast-close:focus-visible,
.pd-side-header-back:focus-visible,
.pd-attachment-chip:focus-visible,
.settings-nav-item:focus-visible,
.cockpit-btn-icon:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   Base Styles
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-primary);
    background-color: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--spacing-4) 0;
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }
h5 { font-size: var(--font-size-base); }
h6 { font-size: var(--font-size-sm); }

h1:focus {
    outline: none;
}

p {
    margin: 0 0 var(--spacing-4) 0;
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-hover);
}

hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--spacing-6) 0;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-6);
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
}

/* Legacy support - will be replaced */
.main {
    margin-left: var(--sidebar-width);
    padding: var(--spacing-6);
    min-height: 100vh;
}

/* Main header strip — sticky top bar inside .main-content (holds notification bell, user menu) */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-6);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.header-spacer { flex: 1; }

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.main-body {
    flex: 1;
    overflow-y: auto;
}

/* ==========================================================================
   Sidebar / Navigation
   ========================================================================== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    z-index: var(--z-fixed);
    transition: width var(--transition-normal);
}

.sidebar-header {
    padding: var(--spacing-5) var(--spacing-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: var(--text-inverse);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
}

.sidebar-brand-icon {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-brand-icon svg {
    width: 20px;
    height: 20px;
    color: white;
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-4) 0;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--spacing-6);
}

.nav-section-title {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-400);
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    margin: var(--spacing-1) 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-gray-300);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-left: 3px solid transparent;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-inverse);
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--text-inverse);
    background-color: rgba(255, 255, 255, 0.1);
    border-left-color: var(--color-primary);
}

.nav-link svg,
.nav-link .nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.8;
}

.nav-link:hover svg,
.nav-link.active svg,
.nav-link:hover .nav-icon,
.nav-link.active .nav-icon {
    opacity: 1;
}

/* FEAT-021 §4.15: NavMenu inbox count badge. Pushed to the right of the label
   via margin-left: auto so it stays flush against the sidebar edge regardless
   of label length. */
.nav-link .nav-badge {
    margin-left: auto;
    font-size: 0.6875rem;
    padding: 2px 8px;
    min-width: 20px;
    justify-content: center;
}

.sidebar-footer {
    padding: var(--spacing-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3);
    border-radius: var(--radius-lg);
    transition: background-color var(--transition-fast);
}

.sidebar-user:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.sidebar-user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sidebar-user-avatar svg {
    width: 20px;
    height: 20px;
    color: var(--color-gray-300);
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-inverse);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
}

/* --- Sidebar toggle (hamburger) — hidden on desktop, shown below --bp-lg --- */
.sidebar-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--color-gray-50);
    color: var(--text-primary);
    border-color: var(--border-color-dark);
}

.sidebar-toggle svg {
    width: 20px;
    height: 20px;
}

/* --- Scrim — covers main content when sidebar is open on mobile --- */
.sidebar-scrim {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: calc(var(--z-fixed) - 1);
}

/* --- Mobile / tablet sidebar collapse — below --bp-lg (1024) --- */
@media (max-width: 1023.98px) {   /* --bp-lg off-by-one safe */
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        box-shadow: var(--shadow-xl);
    }

    .app-layout.sidebar-open .sidebar {
        transform: translateX(0);
    }

    .main-content,
    .main {
        margin-left: 0;
    }

    .app-layout.sidebar-open .sidebar-scrim {
        display: block;
    }

    .sidebar-toggle {
        display: inline-flex;
    }
}

/* ==========================================================================
   Page Header
   ========================================================================== */
.page-header {
    margin-bottom: var(--spacing-6);
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.page-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: var(--spacing-2) 0 0 0;
}

/* ==========================================================================
   Cards
   ========================================================================== */

/* Shared surface recipe — compose on any card-like element written from now on.
   Existing .card/.settings-card/.cockpit-*/pd-viewer/pd-side are intentionally
   left with their own copies of the 4-line recipe (low-churn pragma). */
.surface {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.card-header {
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    padding: var(--spacing-5);
}

.card-footer {
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--border-color);
    background: var(--color-gray-50);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.content-area {
    display: block;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
}

.btn:focus {
    outline: none;
    box-shadow: var(--shadow-focus);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Button Variants */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--text-inverse);
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-secondary {
    background-color: var(--color-gray-100);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-gray-200);
    border-color: var(--border-color-dark);
}

.btn-success {
    background-color: var(--color-success);
    color: var(--text-inverse);
    border-color: var(--color-success);
}

.btn-success:hover:not(:disabled) {
    background-color: var(--color-success-dark);
    border-color: var(--color-success-dark);
}

.btn-warning {
    background-color: var(--color-warning);
    color: var(--text-inverse);
    border-color: var(--color-warning);
}

.btn-warning:hover:not(:disabled) {
    background-color: var(--color-warning-dark);
    border-color: var(--color-warning-dark);
}

.btn-danger {
    background-color: var(--color-error);
    color: var(--text-inverse);
    border-color: var(--color-error);
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-error-dark);
    border-color: var(--color-error-dark);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover:not(:disabled) {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

.btn-outline-secondary {
    background-color: transparent;
    color: var(--text-secondary);
    border-color: var(--border-color);
}

.btn-outline-secondary:hover:not(:disabled) {
    background-color: var(--color-gray-100);
    color: var(--text-primary);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--color-gray-100);
    color: var(--text-primary);
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
}

.btn-lg {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
}

/* Icon-only Buttons */
.btn-icon {
    padding: var(--spacing-2);
    width: 36px;
    height: 36px;
}

.btn-icon.btn-sm {
    width: 28px;
    height: 28px;
    padding: var(--spacing-1);
}

.btn-icon svg {
    width: 18px;
    height: 18px;
}

/* Button Group */
.btn-group {
    display: inline-flex;
    gap: var(--spacing-2);
}

/* ==========================================================================
   Tabs
   ========================================================================== */
.tabs {
    display: inline-flex;
    gap: var(--spacing-2);
    background-color: var(--color-gray-100);
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
}

.tab {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background-color: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.tab:hover:not(.tab-active) {
    background-color: var(--color-gray-200);
    color: var(--text-primary);
}

.tab-active {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   Form Elements
   ========================================================================== */
.form-group {
    margin-bottom: var(--spacing-4);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.form-label-required::after {
    content: ' *';
    color: var(--color-error);
}

.form-control {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: var(--shadow-focus);
}

.form-control:disabled {
    background-color: var(--color-gray-100);
    cursor: not-allowed;
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* Select */
select.form-control {
    padding-right: var(--spacing-8);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--spacing-2) center;
    background-repeat: no-repeat;
    background-size: 1.5rem 1.5rem;
    appearance: none;
}

/* Textarea */
textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-2);
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    cursor: pointer;
}

/* Form-switch modifier — makes the label block-level so stacked content
   (strong + description) lays out vertically instead of inline. */
.form-check.form-switch .form-check-label {
    display: block;
    padding-left: var(--spacing-2);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

/* Form Help Text */
.form-text {
    display: block;
    margin-top: var(--spacing-1);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* Form Error State */
.form-control.is-invalid,
.invalid {
    border-color: var(--color-error);
}

.form-control.is-invalid:focus {
    box-shadow: var(--shadow-focus-error);
}

.invalid-feedback,
.validation-message {
    display: block;
    margin-top: var(--spacing-1);
    font-size: var(--font-size-xs);
    color: var(--color-error);
}

/* Form Success State */
.form-control.is-valid,
.valid.modified:not([type=checkbox]) {
    border-color: var(--color-success);
    outline: none;
}

.form-control.is-valid:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
}

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-4);
}

/* Legacy form-group styles */
.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.form-group input:not([type="checkbox"]),
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-2) var(--spacing-3);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-2);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: var(--shadow-focus);
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: var(--spacing-2);
}

.form-group-column {
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   Data Table / Grid
   ========================================================================== */
.data-grid {
    width: 100%;
    overflow: hidden;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.data-grid-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--border-color);
}

.data-grid-search {
    position: relative;
    max-width: 300px;
}

.data-grid-search input {
    width: 100%;
    padding-left: var(--spacing-10);
}

.data-grid-search svg {
    position: absolute;
    left: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
}

.data-grid-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.data-grid-table thead {
    background: var(--color-gray-50);
}

.data-grid-table th {
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-grid-table th.sortable {
    cursor: pointer;
    user-select: none;
}

.data-grid-table th.sortable:hover {
    color: var(--text-primary);
}

.data-grid-table th .sort-icon {
    margin-left: var(--spacing-1);
    opacity: 0.5;
}

.data-grid-table th.sorted .sort-icon {
    opacity: 1;
    color: var(--color-primary);
}

.data-grid-table td {
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-grid-table tbody tr:last-child td {
    border-bottom: none;
}

.data-grid-table tbody tr:hover {
    background-color: var(--color-gray-50);
}

.data-grid-table .actions {
    white-space: nowrap;
    text-align: right;
}

.data-grid-empty {
    padding: var(--spacing-12) var(--spacing-4);
    text-align: center;
    color: var(--text-secondary);
}

.data-grid-empty svg {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-4);
    opacity: 0.5;
}

.data-grid-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-gray-50);
    border-top: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
}

.data-grid-pagination-info {
    color: var(--text-secondary);
}

.data-grid-pagination-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

/* --- Cell color/alignment utilities — reusable on any .data-grid-table --- */
.data-grid-table .dim  { color: var(--text-muted); }
.data-grid-table .ok   { color: var(--color-success-dark); }
.data-grid-table .warn { color: var(--color-warning-dark); }
.data-grid-table .err  { color: var(--color-error-dark); }
.data-grid-table .num  { text-align: right; font-variant-numeric: tabular-nums; }

.data-grid-table .process-link {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
}

.data-grid-table .process-link:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* --- Dense modifier — metrics-style: no uppercase, tabular-nums, nowrap.
       Used by the service dashboard; opt in via .data-grid-table--dense. --- */
.data-grid-table--dense thead th {
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-muted);
    white-space: nowrap;
}

.data-grid-table--dense tbody td {
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
    padding: var(--spacing-3) var(--spacing-5);
}

.data-grid-table--dense thead th {
    padding: var(--spacing-3) var(--spacing-5);
}

.data-grid-table--dense tbody tr:hover td {
    background: var(--color-gray-50);
}

/* ==========================================================================
   Modal
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal-backdrop.show {
    opacity: 1;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    z-index: var(--z-modal);
    width: 100%;
    max-width: 500px;
    max-height: calc(100vh - 2rem);
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.modal.show {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.modal-sm { max-width: 400px; }
.modal-lg { max-width: 700px; }
.modal-xl { max-width: 900px; }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--color-gray-100);
    color: var(--text-primary);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

.modal-body {
    padding: var(--spacing-5);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-5);
    border-top: 1px solid var(--border-color);
    background: var(--color-gray-50);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.toast-container {
    position: fixed;
    top: var(--spacing-4);
    right: var(--spacing-4);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    min-width: 300px;
    max-width: 450px;
    padding: var(--spacing-4);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--border-color);
    pointer-events: auto;
    animation: toast-slide-in var(--transition-normal) ease-out;
}

.toast.toast-exiting {
    animation: toast-slide-out var(--transition-normal) ease-in forwards;
}

@keyframes toast-slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes toast-slide-out {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast-success { border-left-color: var(--color-success); }
.toast-error { border-left-color: var(--color-error); }
.toast-warning { border-left-color: var(--color-warning); }
.toast-info { border-left-color: var(--color-info); }

.toast-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.toast-success .toast-icon { color: var(--color-success); }
.toast-error .toast-icon { color: var(--color-error); }
.toast-warning .toast-icon { color: var(--color-warning); }
.toast-info .toast-icon { color: var(--color-info); }

.toast-content {
    flex: 1;
    min-width: 0;
}

.toast-title {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
}

.toast-message {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.toast-close {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

.toast-close svg {
    width: 16px;
    height: 16px;
}

/* ==========================================================================
   Status Badge
   ========================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
}

.badge-success {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
}

.badge-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning-dark);
}

.badge-error {
    background-color: var(--color-error-light);
    color: var(--color-error-dark);
}

.badge-info {
    background-color: var(--color-info-light);
    color: var(--color-info-dark);
}

.badge-neutral {
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
}

/* FEAT-021 §4.13: action-needed signal. Reserved for "this specific row needs
   you right now" — currently only the Approval pill when the current user is the
   approver. Never reuse for counts or descriptive badges. */
.badge-attention {
    background-color: var(--color-error-light);
    color: var(--color-error-dark);
}

/* FEAT-021 §4.13: informational count badge — NavMenu Inbox count. Distinct
   from badge-attention so a queue of N items doesn't read as "N urgent alerts".
   Indigo chosen to sit between primary blue and accent purple without collision. */
.badge-count {
    background-color: #e0e7ff;
    color: #4338ca;
}

/* FEAT-021 §4.6: age pill — slate grey, non-interactive. Appears on inbox rows
   that have been waiting longer than InboxOptions.AgeWarningDays. */
.badge-age {
    background-color: var(--color-gray-200);
    color: var(--color-gray-700);
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
}

/* Status dot — subtle circular indicator. Works in flex rows and inline text.
   Modifiers: legacy `.status-dot-*` (used by .status-indicator) and the newer
   `.status-dot.ok|err|warn|info` (used by the service dashboard). Both supported. */
.status-dot {
    display: inline-block;
    vertical-align: middle;
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    background: var(--color-gray-400);
}

.status-dot-active { background-color: var(--color-success); }
.status-dot-inactive { background-color: var(--color-gray-400); }
.status-dot-warning { background-color: var(--color-warning); }
.status-dot-error { background-color: var(--color-error); }

.status-dot.ok   { background: var(--color-success); }
.status-dot.err  { background: var(--color-error); }
.status-dot.warn { background: var(--color-warning); }
.status-dot.info { background: var(--color-primary); }

/* ==========================================================================
   Spinner / Loading
   ========================================================================== */
.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 16px;
    height: 16px;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.8);
    border-radius: inherit;
}

/* ==========================================================================
   Alerts
   ========================================================================== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
}

.alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-1);
}

.alert-message {
    font-size: var(--font-size-sm);
}

.error-details {
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-3);
    font-size: var(--font-size-sm);
    font-family: monospace;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 200px;
    overflow-y: auto;
    margin-top: var(--spacing-2);
}

.alert-success {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
}

.alert-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning-dark);
}

.alert-error {
    background-color: var(--color-error-light);
    color: var(--color-error-dark);
}

.alert-info {
    background-color: var(--color-info-light);
    color: var(--color-info-dark);
}

/* Compact alert — used inside side panels where space is tight. */
.alert--sm {
    font-size: var(--font-size-xs);
    padding: var(--spacing-2) var(--spacing-3);
}

/* ==========================================================================
   Icon Tile — colored square that wraps an icon on stat/landing cards.
   Previously inline-styled via .sidebar-brand-icon; now a real component.
   ========================================================================== */
.icon-tile {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon-tile--lg { width: 48px; height: 48px; }

.icon-tile--info    { background: var(--color-info-light);    color: var(--color-info-dark); }
.icon-tile--primary { background: var(--color-primary-light); color: var(--color-primary-dark); }
.icon-tile--warning { background: var(--color-warning-light); color: var(--color-warning-dark); }
.icon-tile--success { background: var(--color-success-light); color: var(--color-success-dark); }
.icon-tile--error   { background: var(--color-error-light);   color: var(--color-error-dark); }

/* ==========================================================================
   DESIGN-003 shared primitives — cross-feature building blocks
   ========================================================================== */

/* --- Avatar (cross-feature) — circular initial-bubble or profile photo wrapper --- */
.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
}

.avatar.avatar-available { border: 2px solid var(--color-success); }
.avatar.avatar-busy      { border: 2px solid var(--color-warning); }
.avatar.avatar-onleave   { border: 2px solid var(--color-error); }

/* --- Row state modifier — faded look for inactive list items --- */
.row-inactive { opacity: 0.6; }

/* --- Toolbar — horizontal action row above a content panel --- */
.toolbar {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

/* --- Detail row — stacked label/value pair, used in cards and panels --- */
.detail-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.detail-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
}

.detail-value {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
}

/* --- 2-column form grid — replaces Bootstrap .row/.col-md-6 pattern --- */
.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4);
}

/* --- Monospace utility — composable on any element (code, IDs, API keys) --- */
.mono { font-family: var(--font-mono); }

/* ==========================================================================
   Notification type modifiers — shared by NotificationPanel (bell dropdown)
   and Notifications (full page). Maps 1:1 to NotificationType enum values.
   Applied to .notification-icon regardless of container. Size variants are
   ancestor-scoped below.
   ========================================================================== */
.notification-icon.info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
}
.notification-icon.task-assigned {
    background: var(--color-accent-purple-light);
    color: var(--color-accent-purple);
}
.notification-icon.approval-required {
    background: var(--color-warning-light);
    color: var(--color-warning-dark);
}
.notification-icon.approval-completed {
    background: var(--color-success-light);
    color: var(--color-success);
}
.notification-icon.rejected {
    background: var(--color-error-light);
    color: var(--color-error);
}
.notification-icon.escalated {
    background: var(--color-error-light);
    color: var(--color-error);
}
.notification-icon.reminder {
    background: var(--color-warning-light);
    color: var(--color-warning-dark);
}
.notification-icon.system-alert {
    background: var(--color-error-light);
    color: var(--color-error);
}

/* ---- Notification dropdown (NotificationPanel) — 32px compact variant ---- */
.notification-panel .notification-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-panel .notification-title {
    font-size: 13px;
    font-weight: var(--font-weight-medium);
}

.notification-panel .notification-message {
    font-size: var(--font-size-xs);
    line-height: 1.4;
}

.notification-panel .notification-time {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: var(--spacing-1);
}

/* ---- Notifications page (Notifications) — 40px full variant ---- */
.notification-card .notification-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.notification-card .notification-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.notification-card .notification-message {
    font-size: 13px;
    line-height: 1.5;
}

.notification-card .notification-time {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    white-space: nowrap;
}

/* ==========================================================================
   Notification Panel — dropdown structure (used by NotificationBell)
   Migrated from NotificationPanel.razor (DESIGN-003 Phase 5)
   Size variants for .notification-icon/-title/-message/-time are ancestor-
   scoped above (Phase 0 § 5.4); 8 type modifiers are in § 5.3.
   ========================================================================== */
.notification-panel {
    position: absolute;
    top: 100%;
    right: 0;
    width: 360px;
    max-height: 480px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.notification-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
}

.notification-panel-header h4 {
    margin: 0;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.notification-panel-actions .btn-link {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    cursor: pointer;
    padding: 0;
}

.notification-panel-actions .btn-link:hover {
    text-decoration: underline;
}

.notification-panel-body {
    flex: 1;
    overflow-y: auto;
    max-height: 360px;
}

.notification-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-12) var(--spacing-4);
    color: var(--text-muted);
    gap: var(--spacing-3);
}

.notification-list {
    display: flex;
    flex-direction: column;
}

.notification-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    cursor: pointer;
    transition: background var(--transition-fast);
    position: relative;
}

.notification-item:hover {
    background: var(--color-gray-50);
}

.notification-item.unread {
    background: var(--color-primary-light);
}

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-unread-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    flex-shrink: 0;
    margin-top: var(--spacing-1);
}

.notification-panel-footer {
    padding: var(--spacing-3) var(--spacing-4);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.notification-panel-footer a {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    text-decoration: none;
}

.notification-panel-footer a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   Notifications Page — full-page list structure
   Migrated from Notifications.razor (DESIGN-003 Phase 5)
   ========================================================================== */
.notifications-toolbar {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.notifications-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.notifications-list {
    display: flex;
    flex-direction: column;
}

.notification-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
    padding: var(--spacing-4) var(--spacing-5);
    cursor: pointer;
    transition: background var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.notification-card:last-child {
    border-bottom: none;
}

.notification-card:hover {
    background: var(--color-gray-50);
}

.notification-card.unread {
    background: var(--color-primary-light);
}

.notification-card.unread:hover {
    background: var(--color-primary-light);
    filter: brightness(0.98);
}

.notification-body {
    flex: 1;
    min-width: 0;
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-1);
}

.notification-action {
    display: inline-block;
    margin-top: var(--spacing-2);
    font-size: var(--font-size-xs);
    color: var(--color-primary);
}

.unread-indicator {
    position: absolute;
    left: var(--spacing-2);
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
}

/* ==========================================================================
   Notification Bell — header icon button + unread badge
   Migrated from NotificationBell.razor (DESIGN-003 Phase 1)
   ========================================================================== */
.notification-bell-container {
    position: relative;
}

.notification-bell-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-lg);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.notification-bell-btn:hover,
.notification-bell-btn.active {
    background: var(--color-gray-50);
    color: var(--text-primary);
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    border-radius: var(--radius-full);
    background: var(--color-error);
    color: #ffffff;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.notification-panel-backdrop {
    position: fixed;
    inset: 0;
    z-index: calc(var(--z-dropdown) - 1);
}

/* ==========================================================================
   User Menu — header avatar button + dropdown
   Migrated from UserMenu.razor (DESIGN-003 Phase 2)
   ========================================================================== */
.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.user-menu-toggle:hover {
    background: var(--color-gray-50);
}

.user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: #ffffff;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}

.user-name {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.dropdown-arrow {
    font-size: 0.6rem;
    color: var(--text-secondary);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-2);
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.dropdown-header {
    padding: var(--spacing-3) var(--spacing-4);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.dropdown-name {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.dropdown-email {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
}

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    background: none;
    border: none;
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    transition: background-color var(--transition-fast);
    text-align: left;
}

.dropdown-item:hover {
    background: var(--color-gray-50);
}

.dropdown-icon {
    font-size: var(--font-size-base);
}

/* ==========================================================================
   Group Management — group icon, member avatars, member list
   Migrated from GroupManagementView.razor (DESIGN-003 Phase 2)
   .avatar and .row-inactive are shared primitives (Phase 0), not redefined here.
   ========================================================================== */
.group-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-lg);
    background: var(--color-gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.member-avatars {
    display: flex;
    align-items: center;
}

.member-avatar {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    margin-right: calc(-1 * var(--spacing-2));
    border: 2px solid var(--bg-body);
}

.member-avatar.admin {
    background: var(--color-warning);
}

.member-avatar.more {
    background: var(--color-gray-50);
    color: var(--text-muted);
}

.member-avatar:last-child {
    margin-right: 0;
}

.member-list {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    max-height: 400px;
    overflow-y: auto;
}

.member-item {
    border-bottom: 1px solid var(--border-color);
}

.member-item:last-child {
    border-bottom: none;
}

.add-member-section {
    padding: var(--spacing-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
}

/* ==========================================================================
   User Management — modal tabs, role grid, availability options, subsection box
   Migrated from UserManagementView.razor (DESIGN-003 Phase 3)
   .avatar / .avatar-available / .avatar-busy / .avatar-onleave / .row-inactive
   are shared primitives (Phase 0), not redefined here.
   .status-dot* consolidated in DESIGN-002 Phase 5, not redefined here.
   ========================================================================== */

/* Modal tabs — tab bar inside a modal header strip */
.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin: calc(-1 * var(--spacing-4)) calc(-1 * var(--spacing-4)) var(--spacing-4) calc(-1 * var(--spacing-4));
    padding: 0 var(--spacing-4);
}

.modal-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
}

.modal-tab:hover {
    color: var(--text-primary);
}

.modal-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    padding: var(--spacing-2) 0;
}

/* Role grid — selectable role cards inside the Roles tab */
.role-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-4);
}

.role-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-4);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.role-card:hover {
    border-color: var(--color-primary);
}

.role-card.role-active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.role-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-2);
}

.role-icon {
    color: var(--text-muted);
}

.role-active .role-icon {
    color: var(--color-primary);
}

.role-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-1);
}

.role-description {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Availability options — selectable chips inside the Availability tab */
.availability-options {
    display: flex;
    gap: var(--spacing-4);
}

.availability-option {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.availability-option:hover {
    border-color: var(--color-primary);
}

.availability-option.active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

/* Modal subsection — boxed gray container for sub-groups of fields inside a modal.
   Replaces the Bootstrap-ghost pattern `class="mt-4 p-3 bg-secondary rounded"`. */
.modal-subsection {
    margin-top: var(--spacing-4);
    padding: var(--spacing-3);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
}

/* ==========================================================================
   Service Accounts — account cards, API key display, code block
   Migrated from ServiceAccounts.razor (DESIGN-003 Phase 4)
   .toolbar / .detail-row / .detail-label / .detail-value / .mono are shared
   primitives (Phase 0), not redefined here.
   .alert* / .btn-warning / .empty-state / .loading-container are already in
   global, not redefined here.
   ========================================================================== */
.content-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.account-list {
    display: flex;
    flex-direction: column;
}

.account-card {
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-fast);
}

.account-card:last-child {
    border-bottom: none;
}

.account-card:hover {
    background: var(--color-gray-50);
}

.account-card.inactive {
    opacity: 0.6;
}

.account-header {
    margin-bottom: var(--spacing-4);
}

.account-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-1);
}

.account-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.account-name h4 {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.account-description {
    margin: var(--spacing-1) 0 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.account-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

/* Mono pill — the ServiceAccounts detail-value.mono variant adds a pill-box
   treatment on top of the generic .mono font-family utility. Compound
   selector so it only applies when both classes are present. */
.detail-value.mono {
    background: var(--color-gray-100);
    padding: 2px var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.account-actions {
    display: flex;
    gap: var(--spacing-2);
}

.api-key-display {
    margin-top: var(--spacing-4);
}

.api-key-display .form-control.mono {
    font-size: 13px;
    background: var(--color-gray-100);
}

.code-block {
    background: var(--color-gray-100);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-3);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    overflow-x: auto;
    margin: 0;
}

/* ==========================================================================
   Workflow Configuration — boxed tab system + config cards + form sections
   Migrated from WorkflowConfigView.razor (DESIGN-003 Phase 6)
   .form-row-2col / .detail-row / .detail-label / .detail-value are shared
   primitives (Phase 0), not redefined here.
   .badge* / .empty-state / .loading-container are already in global.
   This is a SECOND tab system — "boxed tabs" with a card-wrapped container
   and full-width tab buttons. It coexists with the global `.tabs` pill group
   (DESIGN-001) — different names, different visual patterns, both valid.
   ========================================================================== */
.tabs-container {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}

.tabs-header {
    display: flex;
    gap: var(--spacing-1);
    padding: var(--spacing-3);
    border-bottom: 1px solid var(--border-color);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-4);
    border: none;
    border-radius: var(--radius-lg);
    background: transparent;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--bg-card);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.tabs-content {
    padding: var(--spacing-6);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
}

.panel-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

.config-list {
    display: grid;
    gap: var(--spacing-4);
}

.config-card {
    background: var(--color-gray-50);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-5);
}

.config-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-4);
}

.config-info h4 {
    margin: 0 0 var(--spacing-1) 0;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
}

.config-description {
    margin: 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.config-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

/* Inside config-details, detail-value becomes a flex row (icon + text),
   overriding the Phase 0 shared primitive's vertical-only behavior. */
.config-details .detail-value {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.config-card-actions {
    display: flex;
    gap: var(--spacing-2);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--border-color);
}

.approval-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-12) var(--spacing-6);
}

.approval-info h3 {
    margin: var(--spacing-4) 0 var(--spacing-2);
}

.approval-info p {
    color: var(--text-secondary);
    max-width: 400px;
    margin-bottom: var(--spacing-6);
}

.form-section {
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--border-color);
}

.form-section h4 {
    margin: 0 0 var(--spacing-4) 0;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.toggle-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    cursor: pointer;
}

.delete-confirmation {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-6);
}

.delete-confirmation p {
    margin: var(--spacing-4) 0 0;
}

/* ==========================================================================
   Empty State
   ========================================================================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-12) var(--spacing-4);
    text-align: center;
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-4);
    color: var(--text-muted);
    opacity: 0.5;
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.empty-state-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    max-width: 400px;
    margin-bottom: var(--spacing-6);
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }
.d-grid { display: grid !important; }

/* Flex */
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }
.gap-1 { gap: var(--spacing-1); }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }
.gap-6 { gap: var(--spacing-6); }

/* Margin */
.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-1) !important; }
.mt-2 { margin-top: var(--spacing-2) !important; }
.mt-3 { margin-top: var(--spacing-3) !important; }
.mt-4 { margin-top: var(--spacing-4) !important; }
.mt-6 { margin-top: var(--spacing-6) !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-1) !important; }
.mb-2 { margin-bottom: var(--spacing-2) !important; }
.mb-3 { margin-bottom: var(--spacing-3) !important; }
.mb-4 { margin-bottom: var(--spacing-4) !important; }
.mb-6 { margin-bottom: var(--spacing-6) !important; }
.ml-auto { margin-left: auto !important; }
.mr-2 { margin-right: var(--spacing-2) !important; }

/* Padding */
.p-0 { padding: 0 !important; }
.p-2 { padding: var(--spacing-2) !important; }
.p-3 { padding: var(--spacing-3) !important; }
.p-4 { padding: var(--spacing-4) !important; }
.py-2 { padding-top: var(--spacing-2) !important; padding-bottom: var(--spacing-2) !important; }
.px-3 { padding-left: var(--spacing-3) !important; padding-right: var(--spacing-3) !important; }

/* Text */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-lg { font-size: var(--font-size-lg); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }
.font-medium { font-weight: var(--font-weight-medium); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Width */
.w-full { width: 100%; }
.w-auto { width: auto; }
.max-w-sm { max-width: 400px; }
.max-w-md { max-width: 600px; }
.max-w-lg { max-width: 800px; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }

/* Visibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ==========================================================================
   Blazor Error Boundary
   ========================================================================== */
.blazor-error-boundary {
    background: var(--color-error-light);
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    color: var(--color-error-dark);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.blazor-error-boundary::before {
    content: '';
    width: 24px;
    height: 24px;
    background: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23dc2626'%3e%3cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z'/%3e%3c/svg%3e") no-repeat center;
    flex-shrink: 0;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

/* ==========================================================================
   Scrollbar Styling
   ========================================================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-100);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gray-400);
}

/* ==========================================================================
   Reduced Motion (WCAG 2.3.3) — honor user OS preference.
   !important is required here: the whole point is to defeat component-level
   animations and transitions that were authored without opting out.
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ==========================================================================
   License Warning Banner
   ========================================================================== */
.license-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
    margin-bottom: var(--spacing-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.license-banner-warning {
    background: var(--color-warning-light);
    color: var(--color-warning-dark);
    border: 1px solid var(--color-warning);
}

.license-banner-error {
    background: var(--color-error-light);
    color: var(--color-error-dark);
    border: 1px solid var(--color-error);
}

.license-banner-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.license-banner-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    color: inherit;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.license-banner-link:hover {
    opacity: 1;
    color: inherit;
}

/* ==========================================================================
   About Page
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-4);
}

.about-card {
    min-height: 200px;
}

.about-card-full {
    grid-column: span 2;
}

.about-info {
    line-height: var(--line-height-relaxed);
}

.about-info p {
    margin: var(--spacing-1) 0;
    color: var(--text-secondary);
}

.about-company-name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.about-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--spacing-3) 0;
}

.about-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.about-contact a {
    color: var(--text-link);
    text-decoration: none;
}

.about-contact a:hover {
    text-decoration: underline;
}

/* ==========================================================================
   License Status
   ========================================================================== */
.license-status {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.license-status-badge {
    display: flex;
    align-items: center;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.status-badge-success {
    background: var(--color-success-light);
    color: var(--color-success-dark);
}

.status-badge-error {
    background: var(--color-error-light);
    color: var(--color-error-dark);
}

.status-badge-warning {
    background: var(--color-warning-light);
    color: var(--color-warning-dark);
}

.license-details {
    padding: var(--spacing-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.license-detail-row {
    display: flex;
    align-items: center;
    padding: var(--spacing-2) 0;
    border-bottom: 1px solid var(--border-color);
}

.license-detail-row:last-child {
    border-bottom: none;
}

.license-detail-label {
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    min-width: 140px;
}

.license-detail-value {
    color: var(--text-primary);
}

.license-input {
    font-family: monospace;
    font-size: var(--font-size-sm);
}

.text-danger {
    color: var(--color-error);
}

/* Responsive adjustments for About page */
@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-card-full {
        grid-column: span 1;
    }
}

/* ==========================================================================
   Utility Classes for Flex
   ========================================================================== */
.flex-1 {
    flex: 1;
}

/* Auto-fitting responsive card grid — used by landing pages and stat rows. */
.grid-auto-cards {
    display: grid;
    gap: var(--spacing-4);
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.h-100 {
    height: 100%;
}

/* ==========================================================================
   Settings Panel — Unified Design System (DESIGN-001)
   ========================================================================== */

/* --- Layout --- */
.settings-layout {
    display: flex;
    gap: 1.5rem;
    min-height: 600px;
}

.settings-nav {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    min-width: 200px;
    flex-shrink: 0;
}

.settings-nav-group-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    padding: 0 1rem;
    margin-bottom: 0.25rem;
}

.settings-nav-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: background 0.15s, color 0.15s;
    width: 100%;
}

.settings-nav-item:hover {
    background: var(--color-gray-100);
    color: var(--text-primary);
}

.settings-nav-item.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.settings-content {
    flex: 1;
    min-width: 0;
}

/* --- Container --- */
.settings-container {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
    gap: var(--spacing-6);
    align-items: start;
}

/* --- Cards --- */
.settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
}

.settings-card-full {
    grid-column: 1 / -1;
}

.settings-card-header {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-2);
}

.settings-card-header h2 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0;
    color: var(--text-primary);
}

.settings-card-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-5) 0;
}

/* --- Form Grid --- */
.settings-form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-5);
    margin-bottom: var(--spacing-4);
}

.settings-form-full {
    grid-column: 1 / -1;
}

/* --- Form Hint (promoted from component-scoped CSS) --- */
.form-hint {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 4px;
}

/* --- Toggle Rows --- */
.settings-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--bg-body);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-3);
}

.settings-toggle-info {
    flex: 1;
}

.settings-toggle-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.settings-toggle-desc {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

/* --- Subsection Titles --- */
.settings-subsection {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: var(--spacing-6) 0 var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--border-color);
}

/* --- Option Grid (criteria, behavior selection) --- */
.settings-option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-3);
}

.settings-option-card {
    padding: var(--spacing-4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.settings-option-card:hover {
    border-color: var(--border-color-dark);
}

.settings-option-card.active {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

/* --- Export Path List --- */
.settings-path-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.settings-path-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--bg-body);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.settings-path-text {
    font-family: monospace;
    font-size: var(--font-size-sm);
}

.settings-empty-state {
    text-align: center;
    padding: var(--spacing-8);
    background: var(--bg-body);
    border-radius: var(--radius-lg);
}

/* --- API Key Row --- */
.settings-apikey-row {
    display: flex;
    gap: var(--spacing-2);
}

.settings-apikey-row .form-control { flex: 1; }
.settings-apikey-row .btn { white-space: nowrap; display: flex; align-items: center; gap: 6px; }

/* --- Usage Stats --- */
.settings-usage-bar {
    display: flex;
    gap: var(--spacing-8);
    padding: var(--spacing-4);
    background: var(--bg-body);
    border-radius: var(--radius-lg);
}

.settings-usage-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.settings-usage-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: var(--font-weight-medium);
}

.settings-usage-value {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

/* --- Action Bar --- */
.settings-actions {
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
    padding-top: var(--spacing-4);
    grid-column: 1 / -1;
}

/* --- Responsive --- */
@media (max-width: 640px) {
    .settings-container {
        grid-template-columns: 1fr;
    }
    .settings-form-grid {
        grid-template-columns: 1fr;
    }
    .settings-usage-bar {
        flex-wrap: wrap;
    }
}

@media (max-width: 640px) {   /* --bp-sm — normalized from 480 */
    .settings-actions {
        flex-direction: column;
    }
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 64px;
    color: var(--text-secondary);
    grid-column: 1 / -1;
}

.settings-container > .empty-state {
    grid-column: 1 / -1;
}

/* ==========================================================================
   Login Screen & Empty Layout
   ========================================================================== */
.empty-layout {
    min-height: 100vh;
    display: flex;
    align-items: stretch;
    background: var(--bg-body);
    position: relative;
    overflow: hidden;
}

/* Decorative left panel (desktop only) */
.login-panel {
    flex: 1;
    display: none;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--spacing-12);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.login-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 40%);
    pointer-events: none;
}

.login-panel::after {
    content: "";
    position: absolute;
    right: -80px;
    bottom: -80px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.login-panel-content {
    position: relative;
    z-index: 1;
    max-width: 440px;
}

.login-panel-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-16);
}

.login-panel-brand-mark {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-panel-brand-text {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
}

.login-panel-headline {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin: 0 0 var(--spacing-5) 0;
    color: #ffffff;
}

.login-panel-headline em {
    font-style: normal;
    color: var(--color-primary-light);
    position: relative;
}

.login-panel-subhead {
    font-size: 1rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
    max-width: 420px;
}

.login-panel-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    margin-top: var(--spacing-8);
    position: relative;
    z-index: 1;
}

.login-panel-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
}

.login-panel-feature-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ffffff;
    flex-shrink: 0;
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.6);
}

.login-panel-footer {
    position: relative;
    z-index: 1;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.05em;
}

/* Right panel with the form */
.login-stage {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8);
    position: relative;
}

.login-container {
    width: 100%;
    max-width: 420px;
    animation: loginEnter 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes loginEnter {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-10) var(--spacing-8);
    box-shadow: var(--shadow-xl);
    position: relative;
}

.login-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: var(--spacing-8);
    right: var(--spacing-8);
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 0 0 3px 3px;
}

.login-header {
    margin-bottom: var(--spacing-8);
}

.login-eyebrow {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--spacing-2);
}

.login-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin: 0 0 var(--spacing-2) 0;
    line-height: 1.2;
}

.login-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin: 0;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

.login-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    margin-bottom: 0;
}

.login-form label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.03em;
    text-transform: uppercase;
    margin-bottom: 0;
}

.login-form .form-input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    background: var(--bg-card);
    color: var(--text-primary);
    transition: border-color 0.15s, box-shadow 0.15s;
    font-family: var(--font-family);
}

.login-form .form-input::placeholder {
    color: var(--text-muted);
}

.login-form .form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.login-form .form-input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: 13px 20px;
    background: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
    margin-top: var(--spacing-2);
    letter-spacing: 0.01em;
    font-family: var(--font-family);
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2), 0 0 0 1px rgba(37, 99, 235, 0.1) inset;
}

.btn-login:hover:not(:disabled) {
    background: var(--color-primary-hover);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-login:active:not(:disabled) {
    transform: translateY(1px);
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.login-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    line-height: 1.5;
}

.login-alert-error {
    background: var(--color-error-light);
    color: var(--color-error-dark);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.login-alert-success {
    background: var(--color-success-light);
    color: var(--color-success-dark);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.login-alert-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 1px;
}

.login-alert-error .login-alert-icon {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-error-dark);
}

.login-alert-success .login-alert-icon {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success-dark);
}

.login-setup-info {
    background: var(--color-primary-light);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: var(--radius-lg);
    padding: var(--spacing-3) var(--spacing-4);
    font-size: 0.875rem;
    color: var(--color-primary-dark);
    line-height: 1.5;
}

.login-loading {
    display: flex;
    justify-content: center;
    padding: var(--spacing-12) 0;
}

.login-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.login-footer {
    margin-top: var(--spacing-6);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.login-footer-meta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.6875rem;
}

.login-footer-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--text-muted);
    opacity: 0.5;
}

.login-footer-version {
    color: var(--text-muted);
}

/* Responsive: hide side panel on narrow screens */
@media (min-width: 1024px) {
    .login-panel {
        display: flex;
    }
}

@media (max-width: 640px) {   /* --bp-sm — normalized from 480 */
    .login-stage {
        padding: var(--spacing-4);
    }
    .login-card {
        padding: var(--spacing-8) var(--spacing-5);
    }
    .login-title {
        font-size: 1.5rem;
    }
}

/* ==========================================================================
   Service Dashboard — uses the app's .card/.badge vocabulary
   Dense layout, but same visual language as the rest of Invoice Flow.
   ========================================================================== */

.cockpit {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

/* ---- Top status strip — styled like a .card ---- */
.cockpit-statusbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-6);
    padding: var(--spacing-4) var(--spacing-5);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.cockpit-statusbar-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding-right: var(--spacing-5);
    border-right: 1px solid var(--border-color);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.cockpit-statusbar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    white-space: nowrap;
}

.cockpit-statusbar-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
}

.cockpit-statusbar-value {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

.cockpit-statusbar-spacer { flex: 1; }

.cockpit-statusbar-live {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    background: var(--color-success-light);
    color: var(--color-success-dark);
}

.cockpit-statusbar-live.offline {
    background: var(--color-gray-100);
    color: var(--text-muted);
}

/* .status-dot consolidated with the badges section — see above. */

/* ---- KPI strip — scaled-down .card ---- */
.cockpit-kpis {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-4);
}

.cockpit-kpi {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-4) var(--spacing-5);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    min-width: 0;
}

.cockpit-kpi-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cockpit-kpi-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: 1.1;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.02em;
    margin-top: 2px;
}

.cockpit-kpi-sub {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 2px;
}

.cockpit-kpi-sub.ok { color: var(--color-success-dark); }
.cockpit-kpi-sub.warn { color: var(--color-warning-dark); }
.cockpit-kpi-sub.err { color: var(--color-error-dark); }

/* ---- Worker strip ---- */
.cockpit-workers {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--spacing-4);
}

.cockpit-worker {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-4) var(--spacing-5);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.cockpit-worker-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
}

.cockpit-worker-name {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.cockpit-worker-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-3);
}

.cockpit-worker-metric {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cockpit-worker-metric-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
}

.cockpit-worker-metric-value {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.cockpit-worker-error {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xs);
    color: var(--color-error-dark);
    padding-top: var(--spacing-2);
    border-top: 1px solid var(--color-error-light);
}

/* ---- Main panel grid — panels are .card-like ---- */
.cockpit-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-4);
}

.cockpit-grid-full {
    grid-column: 1 / -1;
}

.cockpit-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

.cockpit-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--border-color);
    gap: var(--spacing-3);
}

.cockpit-panel-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.cockpit-panel-count {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
    font-variant-numeric: tabular-nums;
}

.cockpit-panel-body {
    flex: 1;
    overflow-x: auto;
    min-height: 0;
}

/* Table styles now live in the .data-grid-table section — the dashboard uses
   .data-grid-table .data-grid-table--dense. */

/* Empty state inside panel */
.cockpit-empty {
    padding: var(--spacing-8) var(--spacing-5);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Small icon button (for statusbar refresh) */
.cockpit-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.cockpit-btn-icon:hover {
    background: var(--color-gray-50);
    color: var(--text-primary);
    border-color: var(--border-color-dark);
}

/* Responsive */
@media (max-width: 1280px) {
    .cockpit-kpis {
        grid-template-columns: repeat(3, 1fr);
    }
    .cockpit-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .cockpit-kpis {
        grid-template-columns: repeat(2, 1fr);
    }
    .cockpit-statusbar-title {
        width: 100%;
        border-right: none;
        padding-right: 0;
        padding-bottom: var(--spacing-3);
        border-bottom: 1px solid var(--border-color);
    }
}

/* ==========================================================================
   Process Detail — Split viewer layout (invoice-first)
   ========================================================================== */

/* Full-height split: viewer on left, side panel on right. Sits inside
   .main-body (which is scrollable). We negate the body's padding so
   the split reaches the edges of the main content area. */
.process-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 420px;
    gap: var(--spacing-4);
    height: calc(100vh - 80px); /* minus top header */
    margin: calc(-1 * var(--spacing-5));
    padding: var(--spacing-5);
    min-height: 0;
}

/* ---- Left: Viewer pane ---- */
.pd-viewer {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    min-width: 0;
    min-height: 0;
}

.pd-viewer-toolbar {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
    background: var(--color-gray-50);
    flex-shrink: 0;
    overflow-x: auto;
}

.pd-viewer-filename {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}

.pd-attachment-strip {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    flex-shrink: 0;
}

.pd-attachment-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: 6px var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    max-width: 200px;
}

.pd-attachment-chip:hover {
    border-color: var(--color-primary);
    color: var(--text-primary);
}

.pd-attachment-chip.active {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.pd-attachment-chip-name {
    overflow: hidden;
    text-overflow: ellipsis;
}

.pd-attachment-chip-badge {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 1px 5px;
    border-radius: var(--radius-full);
    background: var(--color-gray-200);
    color: var(--text-secondary);
}

.pd-attachment-chip.active .pd-attachment-chip-badge {
    background: var(--color-primary);
    color: white;
}

.pd-viewer-body {
    flex: 1;
    position: relative;
    background: var(--color-gray-100);
    min-height: 0;
}

.pd-viewer-body iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

.pd-viewer-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: var(--spacing-3);
    color: var(--text-muted);
    padding: var(--spacing-8);
    text-align: center;
}

.pd-viewer-empty-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

/* ---- Right: Side panel ---- */
.pd-side {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 0;
}

/* Sticky header — process number, status, action buttons */
.pd-side-header {
    padding: var(--spacing-4) var(--spacing-5);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-card);
    flex-shrink: 0;
}

.pd-side-header-top {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-2);
}

.pd-side-header-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.15s;
}

.pd-side-header-back:hover {
    background: var(--color-gray-100);
    color: var(--text-primary);
}

.pd-side-header-number {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin: 0;
}

.pd-side-header-subject {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-3) 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pd-side-header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.pd-side-header-actions .btn {
    flex: 1;
    min-width: 110px;
    justify-content: center;
}

/* Scrollable body with stacked sections */
.pd-side-body {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.pd-section {
    border-bottom: 1px solid var(--border-color);
}

.pd-section:last-child {
    border-bottom: none;
}

.pd-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-5);
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--border-color);
}

.pd-section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.pd-section-badge {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
}

.pd-section-body {
    padding: var(--spacing-4) var(--spacing-5);
}

/* Metadata grid inside the side panel */
.pd-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3);
}

.pd-meta-grid .form-group {
    margin-bottom: 0;
}

.pd-meta-grid .form-group label,
.pd-section-body > .form-group > label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-1);
}

.pd-meta-grid .form-control {
    font-size: var(--font-size-sm);
    padding: 8px 10px;
}

.pd-meta-readonly {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    margin: 0;
}

.pd-meta-amount {
    display: flex;
    gap: var(--spacing-2);
}

.pd-meta-amount .form-control:first-child {
    flex: 1;
}

.pd-meta-amount .form-control:last-child {
    max-width: 70px;
}

.pd-meta-full {
    grid-column: 1 / -1;
}

/* Compact timeline for history section */
.pd-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

.pd-timeline-item {
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: var(--spacing-3);
    position: relative;
}

.pd-timeline-item:not(:last-child)::before {
    content: "";
    position: absolute;
    left: 11px;
    top: 22px;
    bottom: -12px;
    width: 2px;
    background: var(--border-color);
}

.pd-timeline-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    z-index: 1;
    flex-shrink: 0;
}

.pd-timeline-content {
    min-width: 0;
}

.pd-timeline-head {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
}

.pd-timeline-type {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
}

.pd-timeline-time {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.pd-timeline-summary {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin: 2px 0 0 0;
    line-height: 1.5;
}

.pd-timeline-actor {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

/* Extraction panel compact */
.pd-extraction-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: var(--spacing-3);
}

.pd-extraction-meta strong {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
}

.pd-extraction-fields {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: var(--spacing-3);
}

.pd-extraction-field {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: var(--spacing-3);
    align-items: baseline;
    font-size: var(--font-size-xs);
    padding: 6px 0;
    border-bottom: 1px dashed var(--border-color);
}

.pd-extraction-field:last-child {
    border-bottom: none;
}

.pd-extraction-field-name {
    color: var(--text-muted);
    text-transform: capitalize;
}

.pd-extraction-field-value {
    color: var(--text-primary);
    font-weight: var(--font-weight-medium);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Approval round compact */
.pd-approval-round {
    padding: var(--spacing-3);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-3);
}

.pd-approval-round:last-child {
    margin-bottom: 0;
}

.pd-approval-round-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-3);
}

.pd-approval-round-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.pd-approval-levels {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.pd-approval-level {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
}

.pd-approval-level-num {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    flex-shrink: 0;
}

.pd-approval-level-info {
    flex: 1;
    min-width: 0;
}

.pd-approval-level-name {
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pd-approval-level-date {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

/* Responsive: stack on narrow screens */
@media (max-width: 1280px) {   /* --bp-xl — normalized from 1200 */
    .process-workspace {
        grid-template-columns: 1fr;
        height: auto;
        min-height: calc(100vh - 80px);
    }
    .pd-viewer {
        height: 70vh;
    }
}

/* ==========================================================================
   PdfViewer component (FEAT-020)
   PDF.js-based inline viewer with version history rail.
   ========================================================================== */

.pd-pdfviewer {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    height: 100%;
    min-height: 0;
    background: var(--color-gray-100);
}

/* ---- Version history rail (left on desktop, dropdown on mobile) ---- */
.pd-pdfviewer-versions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    padding: var(--spacing-2);
    border-right: 1px solid var(--border-color);
    background: var(--bg-card);
    overflow-y: auto;
    min-height: 0;
}

.pd-pdfviewer-versions-empty {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    padding: var(--spacing-3);
    text-align: center;
}

.pd-pdfviewer-version {
    display: grid;
    grid-template-columns: 16px minmax(0, 1fr);
    grid-template-rows: auto auto;
    grid-template-areas:
        "dot label"
        ".   meta";
    align-items: start;
    gap: 2px var(--spacing-1);
    padding: var(--spacing-2);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    color: var(--text-primary);
    transition: background var(--transition-fast), border-color var(--transition-fast);
    min-height: 44px;
}

.pd-pdfviewer-version:hover {
    background: var(--color-gray-100);
}

.pd-pdfviewer-version:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.pd-pdfviewer-version.selected {
    background: var(--color-primary-50, rgba(99, 102, 241, 0.08));
    border-color: var(--color-primary);
}

.pd-pdfviewer-version-dot {
    grid-area: dot;
    color: var(--color-primary);
    font-size: 14px;
    line-height: 1;
}

.pd-pdfviewer-version-label {
    grid-area: label;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pd-pdfviewer-version-meta {
    grid-area: meta;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---- Main column (toolbar + canvas) ---- */
.pd-pdfviewer-main {
    display: flex;
    flex-direction: column;
    min-height: 0;
    min-width: 0;
}

/* ---- Toolbar ---- */
.pd-pdfviewer-toolbar {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.pd-pdfviewer-toolbar-spacer {
    flex: 1;
}

.pd-pdfviewer-toolbar .btn {
    min-height: 36px;
}

.pd-pdfviewer-tool-active {
    background: var(--color-primary);
    color: var(--text-on-primary, #fff);
}

.pd-pdfviewer-zoom {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    min-width: 48px;
    text-align: center;
}

/* ---- Read-only banner (shown when viewing a non-latest version) ---- */
.pd-pdfviewer-banner {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--color-amber-50, #fef3c7);
    color: var(--color-amber-900, #78350f);
    border-bottom: 1px solid var(--color-amber-200, #fde68a);
    font-size: var(--font-size-sm);
}

.pd-pdfviewer-banner .btn-link {
    color: var(--color-amber-900, #78350f);
    text-decoration: underline;
    padding: 0;
    margin-left: auto;
}

/* ---- Canvas host (where PDFViewer renders pages) ---- */
.pd-pdfviewer-canvas-host {
    flex: 1;
    overflow: auto;
    background: var(--color-gray-200);
    min-height: 0;
    position: relative;
}

/* The PDF rendering surface lives inside a Shadow DOM root attached to the canvas host —
   pdf_viewer.css is loaded inside that shadow and styles the .pdfViewer / .page elements
   without leaking to the rest of the app. No host-side rules needed for canvas pages. */

/* ---- Mobile breakpoint: collapse rail to a top dropdown disclosure ---- */
@media (max-width: 900px) {
    .pd-pdfviewer {
        grid-template-columns: 1fr;
        grid-template-rows: auto minmax(0, 1fr);
    }

    .pd-pdfviewer-versions {
        flex-direction: row;
        overflow-x: auto;
        overflow-y: visible;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        max-height: 64px;
        gap: var(--spacing-2);
    }

    .pd-pdfviewer-version {
        flex: 0 0 auto;
        min-width: 180px;
        min-height: 48px;
    }

    .pd-pdfviewer-toolbar {
        flex-wrap: wrap;
    }

    .pd-pdfviewer-toolbar .btn {
        min-height: 44px;
    }
}

/* ==========================================================================
   FEAT-021 Phase Segmented Control (Process Inbox)
   Pill-style toggle button group. See FEAT-021 §4.2.
   ========================================================================== */
.phase-segments {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px;
    background-color: var(--color-gray-100);
    border-radius: 999px;
}

.phase-segment {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    height: 40px;
    padding: 0 var(--spacing-4);
    min-width: 44px;                    /* WCAG 2.5.5 touch target (§4.16) */
    background: transparent;
    border: none;
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: background-color 150ms cubic-bezier(0.16, 1, 0.3, 1),
                color 150ms cubic-bezier(0.16, 1, 0.3, 1),
                box-shadow 150ms cubic-bezier(0.16, 1, 0.3, 1);
}

.phase-segment:hover:not(.phase-segment--active) {
    background-color: var(--color-gray-50);
    color: var(--text-primary);
}

.phase-segment:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.phase-segment--active {
    background-color: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.phase-segment-label {
    white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
    .phase-segment {
        transition: none;
    }
}

/* ==========================================================================
   FEAT-021 Process Inbox page
   Toolbar (phase control + search + My queue switch), row emphasis rules,
   action column hover behaviour.
   ========================================================================== */
.inbox-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    flex-wrap: wrap;
}

.inbox-toolbar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    flex: 1;
    justify-content: flex-end;
}

.inbox-search {
    position: relative;
    display: flex;
    align-items: center;
    min-width: 280px;
}

.inbox-search svg {
    position: absolute;
    left: var(--spacing-3);
    color: var(--text-muted);
    pointer-events: none;
}

.inbox-search .form-control {
    padding-left: calc(var(--spacing-3) + 24px);
    height: 44px;                       /* WCAG 2.5.5 touch target */
}

.inbox-switch {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    min-height: 44px;
    padding: 0 var(--spacing-2);
}

.inbox-switch input[type="checkbox"] {
    width: 36px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

/* FEAT-021 §4.10 Rule 1: my-action rows have a 4px primary-color left border. */
.data-grid-table tr.process-row--mine {
    box-shadow: inset 4px 0 0 0 var(--color-primary);
}

/* FEAT-021 §4.10 Rule 3: aged rows progressively dim, but the tiebreaker in
   §4.10 says Rule 1 wins — mine rows never dim, regardless of age. */
.data-grid-table tr.process-row--aged-1:not(.process-row--mine) {
    opacity: 0.96;
}

.data-grid-table tr.process-row--aged-2:not(.process-row--mine) {
    opacity: 0.92;
}

/* FEAT-021 §4.1: Open button appears on row hover only (desktop).
   On touch, no hover fires, so the button stays invisible — users tap the
   process-number link in the first column to navigate. */
.data-grid-table tbody tr .open-on-hover {
    opacity: 0;
    transition: opacity 150ms cubic-bezier(0.16, 1, 0.3, 1);
}

.data-grid-table tbody tr:hover .open-on-hover,
.data-grid-table tbody tr:focus-within .open-on-hover {
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    .data-grid-table tbody tr .open-on-hover {
        transition: none;
    }
}

/* Approver pill size guard (§3.5) — long names get truncated at 200px with
   tooltip on hover. */
.approver-pill {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}