@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
/**
 * Enterprise Layout System
 * Consistent UI framework for Rupshee Communication Internal Portal
 * Mobile-first, responsive, accessible
 */

:root {
    /* ============================================================
       THEME TOKENS — LIGHT (default)
       All colors are parameterised. Dark theme overrides the same
       tokens under [data-theme="dark"] so every component adapts
       automatically. Never hardcode colors in component CSS —
       always reference these tokens.
       ============================================================ */

    /* Brand / accent */
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #3b82f6;
    --color-primary-soft: rgba(37, 99, 235, 0.10);
    --color-primary-contrast: #ffffff;
    --color-secondary: #10b981;
    --color-secondary-dark: #059669;
    --color-danger: #ef4444;
    --color-danger-dark: #dc2626;
    --color-warning: #f59e0b;
    --color-warning-dark: #d97706;
    --color-success: #10b981;
    --color-info: #0ea5e9;

    /* Text */
    --color-text-primary: #111827;
    --color-text-secondary: #4b5563;
    --color-text-muted: #9ca3af;
    --color-text-inverse: #ffffff;

    /* Surfaces */
    --color-bg-page: #f4f6fb;         /* app background */
    --color-bg-card: #ffffff;         /* cards, panels, sidebar */
    --color-bg-elevated: #ffffff;     /* popovers, dropdowns, modals */
    --color-bg-subtle: #f8fafc;       /* table headers, muted rows, footers */
    --color-bg-hover: #f1f5f9;        /* hover states */
    --color-border: #e5e7eb;
    --color-border-strong: #d1d5db;

    /* Semantic soft fills (badges/pills/alerts) */
    --tint-primary-bg: #e0edff;   --tint-primary-fg: #1e40af;
    --tint-success-bg: #d1fae5;   --tint-success-fg: #065f46;
    --tint-warning-bg: #fef3c7;   --tint-warning-fg: #92400e;
    --tint-danger-bg:  #fee2e2;   --tint-danger-fg:  #991b1b;
    --tint-neutral-bg: #f1f5f9;   --tint-neutral-fg: #475569;
    --tint-indigo-bg:  #e0e7ff;   --tint-indigo-fg:  #4338ca;
    --tint-purple-bg:  #ddd6fe;   --tint-purple-fg:  #6d28d9;

    /* Compatibility aliases for older module CSS */
    --color-error: #ef4444;
    --color-border-light: #eef1f6;

    /* Numeric emphasis */
    --color-positive: #059669;
    --color-negative: #dc2626;

    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Typography Scale */
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 1.875rem;

    /* Font family — Inter (loaded in theme-boot.php) with a graceful
       system fallback so the app still looks clean if the web font
       cannot be fetched. */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Radius Scale */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 999px;

    /* Layout Dimensions */
    --sidebar-width: 260px;
    --topbar-height: 64px;
    --container-max-width: 1400px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(16, 24, 40, 0.05);
    --shadow-md: 0 4px 10px -2px rgba(16, 24, 40, 0.10);
    --shadow-lg: 0 12px 28px -6px rgba(16, 24, 40, 0.18);

    /* Focus ring */
    --focus-ring: 0 0 0 3px rgba(37, 99, 235, 0.35);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
}

/* ============================================================
   THEME TOKENS — DARK
   Activated by <html data-theme="dark">. Only tokens change;
   component rules stay identical.
   ============================================================ */
[data-theme="dark"] {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #60a5fa;
    --color-primary-soft: rgba(59, 130, 246, 0.16);
    --color-primary-contrast: #0b1220;
    --color-secondary: #34d399;
    --color-secondary-dark: #10b981;
    --color-danger: #f87171;
    --color-danger-dark: #ef4444;
    --color-warning: #fbbf24;
    --color-warning-dark: #f59e0b;
    --color-success: #34d399;
    --color-info: #38bdf8;

    --color-text-primary: #e5e7eb;
    --color-text-secondary: #9ca3af;
    --color-text-muted: #6b7280;
    --color-text-inverse: #0b1220;

    --color-bg-page: #0b1220;
    --color-bg-card: #111827;
    --color-bg-elevated: #1e293b;
    --color-bg-subtle: #172033;
    --color-bg-hover: #1f2a3d;
    --color-border: #26324a;
    --color-border-strong: #364157;

    --tint-primary-bg: rgba(59, 130, 246, 0.16);  --tint-primary-fg: #93c5fd;
    --tint-success-bg: rgba(16, 185, 129, 0.16);  --tint-success-fg: #6ee7b7;
    --tint-warning-bg: rgba(245, 158, 11, 0.16);  --tint-warning-fg: #fcd34d;
    --tint-danger-bg:  rgba(239, 68, 68, 0.16);   --tint-danger-fg:  #fca5a5;
    --tint-neutral-bg: rgba(148, 163, 184, 0.14); --tint-neutral-fg: #cbd5e1;
    --tint-indigo-bg:  rgba(99, 102, 241, 0.18);  --tint-indigo-fg:  #a5b4fc;
    --tint-purple-bg:  rgba(139, 92, 246, 0.18);  --tint-purple-fg:  #c4b5fd;

    --color-error: #f87171;
    --color-border-light: #1f2a3d;

    --color-positive: #34d399;
    --color-negative: #f87171;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.40);
    --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.55);
    --shadow-lg: 0 14px 32px -6px rgba(0, 0, 0, 0.65);

    --focus-ring: 0 0 0 3px rgba(96, 165, 250, 0.45);
    color-scheme: dark;
}

/* Smooth transition when switching themes (not on first paint) */
.theme-ready,
.theme-ready .app-sidebar,
.theme-ready .app-topbar,
.theme-ready .card,
.theme-ready .summary-card,
.theme-ready .btn,
.theme-ready .badge {
    transition: background-color var(--transition-base),
                border-color var(--transition-base),
                color var(--transition-base),
                box-shadow var(--transition-base);
}

/* Global Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.55;
    letter-spacing: -0.006em;
    color: var(--color-text-primary);
    background-color: var(--color-bg-page);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
    letter-spacing: -0.02em;
    line-height: 1.25;
}

/* App Shell Layout */
.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: var(--sidebar-width);
    background: var(--color-bg-card);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transform: translateX(0);
    transition: transform var(--transition-base);
    /* Only scroll the sidebar when its own content overflows, and keep the
       scrollbar auto-hidden so it never adds a second permanent scrollbar. */
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;                 /* Firefox: slim bar */
    scrollbar-color: transparent transparent;
}

/* Reveal the slim scrollbar only while hovering / actively scrolling */
.app-sidebar:hover,
.app-sidebar:focus-within {
    scrollbar-color: var(--color-border) transparent;
}

/* WebKit (Chrome/Edge/Safari): thin, auto-hiding scrollbar */
.app-sidebar::-webkit-scrollbar {
    width: 6px;
}

.app-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.app-sidebar::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 3px;
    transition: background var(--transition-fast);
}

.app-sidebar:hover::-webkit-scrollbar-thumb,
.app-sidebar:focus-within::-webkit-scrollbar-thumb {
    background: var(--color-border);
}

.app-sidebar.closed {
    transform: translateX(-100%);
}

.app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-base);
}

.sidebar-closed .app-main {
    margin-left: 0;
}

/* Top Navigation Bar */
.app-topbar {
    height: var(--topbar-height);
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.topbar-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-xl);
    min-width: 44px;
    min-height: 44px;
    border-radius: var(--radius-sm);
}

.topbar-toggle:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-hover);
    border-radius: 0.375rem;
}

.topbar-breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
}

.breadcrumb-separator {
    color: var(--color-text-muted);
}

.breadcrumb-link {
    color: var(--color-primary);
    text-decoration: none;
}

.breadcrumb-link:hover {
    text-decoration: underline;
}

.breadcrumb-current {
    color: var(--color-text-primary);
    font-weight: 500;
}

.topbar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.topbar-user-name {
    font-weight: 600;
    font-size: var(--font-sm);
    color: var(--color-text-primary);
}

.topbar-user-role {
    font-size: var(--font-xs);
    color: var(--color-text-secondary);
}

/* Sidebar Branding */
.sidebar-brand {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--color-text-primary);
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: var(--font-xl);
}

.brand-text h2 {
    font-size: var(--font-lg);
    font-weight: 700;
    line-height: 1.2;
}

.brand-env {
    font-size: var(--font-xs);
    color: var(--color-text-secondary);
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md) 0;
}

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

.nav-section-title {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.nav-items {
    list-style: none;
}

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

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    min-height: 44px;
    position: relative;
}

.nav-link:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.nav-link.active {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 600;
    border-left: 4px solid var(--color-primary);
    padding-left: calc(var(--spacing-lg) - 4px);
}

.nav-link.active .nav-icon {
    transform: scale(1.1);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: var(--color-primary);
    border-radius: 4px 0 0 4px;
}

.nav-link-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.nav-icon {
    font-size: var(--font-lg);
    width: 24px;
    text-align: center;
}

.nav-badge {
    margin-left: auto;
    padding: 0.125rem 0.5rem;
    background: var(--color-danger);
    color: white;
    border-radius: 1rem;
    font-size: var(--font-xs);
    font-weight: 600;
}

/* Main Content Area */
.app-content {
    flex: 1;
    padding: var(--spacing-xl);
    max-width: var(--container-max-width);
    width: 100%;
    margin: 0 auto;
}

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

.page-title {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--color-text-primary);
    margin-bottom: 0.35rem;
}

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

/* Summary Cards */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.summary-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.summary-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

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

.summary-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-2xl);
}

.summary-icon.primary {
    background: var(--color-primary-soft);
    color: var(--color-primary);
}

.summary-icon.success {
    background: var(--tint-success-bg);
    color: var(--color-success);
}

.summary-icon.warning {
    background: var(--tint-warning-bg);
    color: var(--color-warning);
}

.summary-icon.danger {
    background: var(--tint-danger-bg);
    color: var(--color-danger);
}

.summary-content h3 {
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.summary-value {
    font-size: var(--font-3xl);
    font-weight: 700;
    color: var(--color-text-primary);
}

.summary-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
}

/* Cards */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

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

.card-title {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--color-text-primary);
}

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

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-page);
}

/* Badges & Pills */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-primary {
    background: var(--tint-primary-bg);
    color: var(--tint-primary-fg);
}

.badge-success {
    background: var(--tint-success-bg);
    color: var(--tint-success-fg);
}

.badge-warning {
    background: var(--tint-warning-bg);
    color: var(--tint-warning-fg);
}

.badge-danger {
    background: var(--tint-danger-bg);
    color: var(--tint-danger-fg);
}

.badge-secondary {
    background: var(--tint-neutral-bg);
    color: var(--tint-neutral-fg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-size: var(--font-sm);
    font-weight: 500;
    line-height: 1.5;
    border: 1px solid transparent;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    min-height: 44px;
    min-width: 44px;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--color-secondary);
    color: white;
}

.btn-secondary:hover {
    background: #059669;
}

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

.btn-outline:hover {
    background: var(--color-bg-hover);
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: var(--font-xs);
    min-height: 36px;
}

.btn-icon {
    padding: 0.625rem;
}

.logout-btn {
    background: var(--tint-danger-bg);
    color: var(--color-danger);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: var(--font-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
}

.logout-btn:hover {
    background: var(--tint-danger-bg);
    filter: brightness(0.95);
}

/* Theme toggle button */
.theme-toggle {
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: var(--font-lg);
    line-height: 1;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
    border-color: var(--color-border-strong);
}

.theme-toggle:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: inline; }
[data-theme="dark"] .theme-toggle .icon-sun { display: inline; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Responsive Behavior */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 280px;
        --topbar-height: 56px;
        --spacing-xl: 1.5rem;
    }
    
    .topbar-toggle {
        display: flex;
    }
    
    .app-sidebar {
        transform: translateX(-100%);
    }
    
    .app-sidebar.open {
        transform: translateX(0);
    }
    
    .app-main {
        margin-left: 0;
    }
    
    .app-content {
        padding: var(--spacing-md);
    }
    
    .page-title {
        font-size: var(--font-2xl);
    }
    
    .summary-grid {
        grid-template-columns: 1fr;
    }
    
    .topbar-breadcrumbs {
        display: none;
    }
    
    .topbar-user-info {
        display: none;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1rem;
    }
    
    .app-content {
        padding: var(--spacing-sm);
    }
    
    .card-header, .card-body, .card-footer {
        padding: var(--spacing-md);
    }
    
    .summary-card {
        padding: var(--spacing-md);
    }
    
    .page-title {
        font-size: var(--font-xl);
    }
}

/* Mobile Overlay for Sidebar */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 90;
}

.sidebar-overlay.show {
    display: block;
}

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

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

/* ============================================================
   ENTERPRISE UI v2 — component polish
   Purpose-built to lift the whole app to an enterprise look &
   feel. Everything below is token-driven so it adapts to the
   dark theme automatically.
   ============================================================ */

/* ---- Global form controls & dropdowns -------------------- */
/* Native <select> gets a custom chevron, comfortable hit-area,
   clear hover/focus affordances — fixes the "dropdowns feel
   flimsy" problem across every page at once. */
select,
.form-select,
.nlc-select,
.filter-group select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-color: var(--color-bg-card);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 14px;
    padding-right: 2.25rem !important;
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

select:hover,
.form-select:hover,
.nlc-select:hover {
    border-color: var(--color-border-strong);
}

select:focus,
select:focus-visible,
.form-select:focus,
.nlc-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

select option {
    background: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

/* Text-like inputs — consistent, comfortable, theme-aware */
input[type="text"],
input[type="search"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="tel"],
input[type="url"],
input[type="password"],
textarea {
    background-color: var(--color-bg-card);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:hover,
input[type="search"]:hover,
input[type="number"]:hover,
input[type="date"]:hover,
textarea:hover {
    border-color: var(--color-border-strong);
}

input[type="text"]:focus,
input[type="search"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-muted);
}

/* Checkboxes & radios — themed and consistent app-wide, while keeping
   full native behaviour (accent-color only tints; appearance:auto guards
   against any inherited appearance:none). Fixes tiny / invisible-when-
   checked boxes, especially in dark mode. */
input[type="checkbox"],
input[type="radio"] {
    -webkit-appearance: auto;
    appearance: auto;
    width: 1.05rem;
    height: 1.05rem;
    accent-color: var(--color-primary);
    cursor: pointer;
    vertical-align: middle;
    flex-shrink: 0;
    margin: 0;
}

input[type="checkbox"]:disabled,
input[type="radio"]:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

input[type="checkbox"]:focus-visible,
input[type="radio"]:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
    border-radius: 3px;
}

[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.8);
}

/* A polished search box with a leading magnifier */
.search-box {
    position: relative;
    display: inline-flex;
    align-items: center;
}
.search-box input {
    padding: 0.55rem 0.9rem 0.55rem 2.25rem;
    min-height: 42px;
    width: 100%;
    font-size: var(--font-sm);
}
.search-box::before {
    content: '';
    position: absolute;
    left: 0.75rem;
    width: 16px;
    height: 16px;
    background: no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cline x1='21' y1='21' x2='16.65' y2='16.65'/%3E%3C/svg%3E");
    pointer-events: none;
}

/* ---- Buttons ---------------------------------------------- */
.btn { border-radius: var(--radius-sm); font-weight: 600; }
.btn-primary {
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.25);
}
.btn-primary:hover {
    box-shadow: 0 4px 12px -2px rgba(37, 99, 235, 0.40);
    transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* Compact outlined icon-action button (view / edit / delete) */
.icon-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    font-size: 0.95rem;
}
.icon-action:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-soft);
    transform: translateY(-1px);
}
.icon-action.danger:hover {
    border-color: var(--color-danger);
    color: var(--color-danger);
    background: var(--tint-danger-bg);
}

/* ---- Cards ------------------------------------------------ */
.card { border-radius: var(--radius-lg); }
.card:hover { box-shadow: var(--shadow-md); }
.card, .summary-card { transition: box-shadow var(--transition-base), transform var(--transition-fast), border-color var(--transition-base); }

/* ---- KPI / stat cards (reference-grade) ------------------- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}
.stat-card {
    position: relative;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-fast);
    --accent: var(--color-primary);
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; bottom: 0;
    width: 4px;
    background: var(--accent);
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}
.stat-card-label {
    font-size: var(--font-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.stat-card-icon {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    color: var(--accent);
    flex-shrink: 0;
}
.stat-card-value {
    font-size: 1.9rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
}
.stat-card-meta { margin-top: 0.35rem; font-size: var(--font-xs); color: var(--color-text-muted); }
.stat-card.accent-primary { --accent: var(--color-primary); }
.stat-card.accent-success { --accent: var(--color-success); }
.stat-card.accent-warning { --accent: var(--color-warning); }
.stat-card.accent-danger  { --accent: var(--color-danger); }
.stat-card.accent-info    { --accent: var(--color-info); }
.stat-card.accent-purple  { --accent: #8b5cf6; }

/* ---- Avatar (initials) ------------------------------------ */
.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--font-xs);
    letter-spacing: 0.02em;
    flex-shrink: 0;
    text-transform: uppercase;
}
.avatar-cell { display: inline-flex; align-items: center; gap: 0.65rem; }
.avatar-cell .avatar-name { font-weight: 600; color: var(--color-text-primary); line-height: 1.2; }
.avatar-cell .avatar-sub { font-size: var(--font-xs); color: var(--color-text-muted); }

/* ---- Pills (soft status chips) ---------------------------- */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 700;
    line-height: 1;
    background: var(--tint-neutral-bg);
    color: var(--tint-neutral-fg);
}
.pill::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.9;
}
.pill-success { background: var(--tint-success-bg); color: var(--tint-success-fg); }
.pill-danger  { background: var(--tint-danger-bg);  color: var(--tint-danger-fg); }
.pill-warning { background: var(--tint-warning-bg); color: var(--tint-warning-fg); }
.pill-info    { background: var(--tint-primary-bg); color: var(--tint-primary-fg); }
.pill-neutral { background: var(--tint-neutral-bg); color: var(--tint-neutral-fg); }

/* ---- Sidebar & topbar refinements ------------------------- */
.app-sidebar { box-shadow: var(--shadow-sm); }
.nav-link { border-radius: 0 var(--radius-md) var(--radius-md) 0; margin-right: var(--spacing-sm); }
.nav-link:hover { transform: translateX(2px); }
.brand-icon { box-shadow: 0 4px 10px -2px rgba(37, 99, 235, 0.5); }
.app-topbar { backdrop-filter: saturate(1.1); }
.topbar-user {
    padding: 0.3rem 0.5rem 0.3rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-bg-subtle);
}

/* ---- Section / toolbar helpers ---------------------------- */
.toolbar {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}
.toolbar .spacer { margin-left: auto; }

/* ---- Module launcher (dashboard) -------------------------- */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}
.module-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: inherit;
    transition: transform var(--transition-fast), box-shadow var(--transition-base), border-color var(--transition-fast);
}
.module-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--color-border-strong);
}
.module-card .m-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    background: var(--color-primary-soft);
    color: var(--color-primary);
}
.module-card .m-body { flex: 1; min-width: 0; }
.module-card h3 {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: 0.2rem;
    color: var(--color-text-primary);
}
.module-card p {
    font-size: var(--font-sm);
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.45;
}
.module-card .m-arrow {
    align-self: center;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    transition: transform var(--transition-fast), color var(--transition-fast);
}
.module-card:hover .m-arrow { transform: translateX(3px); color: var(--color-primary); }
.module-card.m-success .m-icon { background: var(--tint-success-bg); color: var(--color-success); }
.module-card.m-warning .m-icon { background: var(--tint-warning-bg); color: var(--color-warning); }
.module-card.m-info    .m-icon { background: var(--tint-primary-bg); color: var(--color-info); }
.module-card.m-purple  .m-icon { background: var(--tint-purple-bg); color: var(--tint-purple-fg); }

/* ---- Collapsible sidebar (desktop icon-rail) -------------- */
.app-sidebar { transition: transform var(--transition-base), width var(--transition-base); }
.app-main { transition: margin-left var(--transition-base); }

@media (min-width: 769px) {
    html.sidebar-collapsed { --sidebar-width: 76px; }
    html.sidebar-collapsed .brand-logo { justify-content: center; gap: 0; }
    html.sidebar-collapsed .brand-text { display: none; }
    html.sidebar-collapsed .sidebar-brand { padding: var(--spacing-lg) var(--spacing-sm); }
    html.sidebar-collapsed .nav-section-title { display: none; }
    html.sidebar-collapsed .nav-section { margin-bottom: var(--spacing-sm); position: relative; }
    html.sidebar-collapsed .nav-section + .nav-section { border-top: 1px solid var(--color-border); padding-top: var(--spacing-sm); }
    html.sidebar-collapsed .nav-link {
        justify-content: center;
        padding-left: 0;
        padding-right: 0;
        margin-right: 0;
        border-radius: 0;
        gap: 0;
    }
    html.sidebar-collapsed .nav-link > span:not(.nav-icon),
    html.sidebar-collapsed .nav-badge { display: none; }
    html.sidebar-collapsed .nav-link.active {
        padding-left: 0;
        border-left-width: 3px;
    }
    html.sidebar-collapsed .nav-icon { width: auto; font-size: var(--font-xl); }
    /* Tooltip on hover in rail mode */
    html.sidebar-collapsed .nav-link { position: relative; }
    html.sidebar-collapsed .nav-link:hover::before {
        content: attr(data-label);
        position: absolute;
        left: calc(100% + 8px);
        top: 50%;
        transform: translateY(-50%);
        background: var(--color-text-primary);
        color: var(--color-bg-card);
        padding: 0.3rem 0.6rem;
        border-radius: var(--radius-sm);
        font-size: var(--font-xs);
        font-weight: 600;
        white-space: nowrap;
        z-index: 200;
        box-shadow: var(--shadow-md);
        pointer-events: none;
    }
}