/* ============================================
   Simple Invoice — Glassmorphic Design System
   ============================================
   Frosted glass, gradients, and modern depth.

   Table of Contents:
   ------------------
   1. CSS Custom Properties (:root)
   2. Global Styles (body, typography, scrollbar)
   3. Sidebar Navigation
   4. Mobile Top Bar
   5. Main Content Area
   6. Cards & Stat Cards
   7. Tables & List Pages
   8. Forms & Inputs
   9. Buttons & Actions
   10. Badges & Status Indicators
   11. Page Headers
   12. Dashboard Widgets
   13. Login & Register Pages
   14. Help & Documentation Pages
   15. Modals & Dropdowns
   16. Responsive Breakpoints
   17. Print Styles
   18. Accessibility (focus-visible, reduced-motion)
   19. Dark Mode Overrides ([data-bs-theme="dark"])
   ============================================ */

:root {
    --accent: #6366f1;
    --accent-rgb: 99, 102, 241;
    --dark-bg: #1e1e2e;
    --dark-card: #2d2d44;
    --light-border: #e2e8f0;
    --sidebar-width: 260px;
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: rgba(99, 102, 241, 0.15);
    --primary-glow: rgba(99, 102, 241, 0.4);
    --success: #10b981;
    --success-glow: rgba(16, 185, 129, 0.3);
    --warning: #f59e0b;
    --warning-glow: rgba(245, 158, 11, 0.3);
    --danger: #ef4444;
    --danger-glow: rgba(239, 68, 68, 0.3);
    --purple: #8b5cf6;
    --purple-glow: rgba(139, 92, 246, 0.3);
    --cyan: #06b6d4;
    --sidebar-bg: rgba(15, 23, 42, 0.95);
    --sidebar-hover: rgba(30, 41, 59, 0.8);
    --sidebar-active: var(--primary);
    --body-bg: #eef2ff;
    --body-gradient: linear-gradient(135deg, #eef2ff 0%, #e0e7ff 25%, #f0f4ff 50%, #ede9fe 75%, #eef2ff 100%);
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px rgba(99, 102, 241, 0.08), 0 2px 8px rgba(0, 0, 0, 0.04);
    --glass-shadow-hover: 0 12px 40px rgba(99, 102, 241, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
    --glass-blur: blur(16px);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --text-primary: #1e1b4b;
    --text-secondary: #6366f1;
    --text-muted: #64748b;
}

/* ---- Global ---- */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--body-gradient);
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-primary);
}

body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    z-index: -1;
    animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-2%, -1%); }
}

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

.cursor-pointer { cursor: pointer; }

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.97) 0%, rgba(30, 27, 75, 0.95) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: var(--transition);
    overflow-y: auto;
    border-right: 1px solid rgba(99, 102, 241, 0.15);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.12);
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(99, 102, 241, 0.15);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.sidebar-header h5 {
    color: white;
    font-weight: 600;
    font-size: 16px;
}

.sidebar-nav {
    list-style: none;
    padding: 12px 0;
    margin: 0;
    flex: 1;
}

.sidebar-nav li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 20px;
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
    margin: 2px 0;
    border-radius: 0 8px 8px 0;
}

.sidebar-nav li a:hover {
    background: rgba(99, 102, 241, 0.1);
    color: white;
    border-left-color: rgba(99, 102, 241, 0.5);
}

.sidebar-nav li a.active {
    background: rgba(99, 102, 241, 0.15);
    color: white;
    border-left-color: var(--primary);
    box-shadow: inset 0 0 20px rgba(99, 102, 241, 0.05);
}

.sidebar-nav li a i {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(99, 102, 241, 0.15);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #94a3b8;
    font-size: 13px;
}

.user-info i { font-size: 20px; }

/* ---- Main Content ---- */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 32px;
    min-height: 100vh;
}

/* ---- Top bar (mobile) ---- */
.topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin-bottom: 16px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* ---- Page Header ---- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    background: linear-gradient(135deg, #1e1b4b, #4f46e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ---- Cards (Glassmorphic) ---- */
.card {
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.card:hover {
    box-shadow: var(--glass-shadow-hover);
    border-color: rgba(99, 102, 241, 0.25);
}

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

/* ---- Stat Cards (Glassmorphic Tiles) ---- */
.stat-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: 16px 16px 0 0;
    opacity: 0.8;
}

.stat-card:hover {
    box-shadow: var(--glass-shadow-hover);
    transform: translateY(-3px);
    border-color: rgba(99, 102, 241, 0.3);
}

.stat-card-blue::before { background: linear-gradient(90deg, var(--primary), var(--cyan)); }
.stat-card-green::before { background: linear-gradient(90deg, var(--success), #34d399); }
.stat-card-orange::before { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.stat-card-purple::before { background: linear-gradient(90deg, var(--purple), #a78bfa); }

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-card-blue .stat-icon { background: rgba(99, 102, 241, 0.12); color: var(--primary); }
.stat-card-green .stat-icon { background: rgba(16, 185, 129, 0.12); color: var(--success); }
.stat-card-orange .stat-icon { background: rgba(245, 158, 11, 0.12); color: var(--warning); }
.stat-card-purple .stat-icon { background: rgba(139, 92, 246, 0.12); color: var(--purple); }

.stat-details {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

/* ---- Tables ---- */
.table {
    margin-bottom: 0;
}

.table th {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 2px solid rgba(99, 102, 241, 0.1);
    padding: 12px 16px;
}

.table td {
    padding: 12px 16px;
    vertical-align: middle;
    color: var(--text-primary);
    border-bottom-color: rgba(99, 102, 241, 0.06);
}

.table-hover tbody tr:hover {
    background-color: rgba(99, 102, 241, 0.07);
}

.table th {
    background: rgba(99, 102, 241, 0.04);
}

/* ---- Sortable / Filterable Table Headers ---- */
th[data-sortable] {
    cursor: pointer;
    user-select: none;
    position: relative;
}
th[data-sortable]:hover {
    background: rgba(99, 102, 241, 0.08);
}
th[data-sortable] .sort-icon,
th[data-sortable] .filter-btn {
    display: inline-block;
    vertical-align: middle;
    line-height: 1;
}
th[data-sortable] .filter-btn:hover i {
    opacity: 0.8 !important;
}
.col-filter-dropdown {
    font-weight: 400 !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
}
.col-filter-dropdown label:hover {
    background: rgba(99, 102, 241, 0.08);
}
[data-bs-theme="dark"] .col-filter-dropdown {
    background: rgba(15, 12, 41, 0.95) !important;
    border-color: rgba(99, 102, 241, 0.25) !important;
}
@media print {
    th[data-sortable] .sort-icon,
    th[data-sortable] .filter-btn,
    .col-filter-dropdown { display: none !important; }
}

/* ---- Badges (Glassmorphic) ---- */
.badge {
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.3px;
    padding: 5px 12px;
    border-radius: 20px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* ---- Forms (Glassmorphic) ---- */
.form-control,
.form-select {
    border-radius: 12px;
    border: 1px solid rgba(99, 102, 241, 0.15);
    padding: 10px 14px;
    font-size: 14px;
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* ---- Select dropdown styling (consolidated) ---- */
.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236366f1' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 14px 10px;
    padding-right: 36px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.form-select option {
    padding: 8px 12px;
}

.form-select option:checked {
    font-weight: 600;
}

/* Placeholder-style first option */
.form-select option[value=""] {
    color: var(--text-muted);
}

/* Compact filter selects */
.form-select-sm {
    padding: 6px 30px 6px 10px;
    font-size: 13px;
    border-radius: 10px;
    background-size: 12px 8px;
}

/* Filter panel selects */
.filter-panel .form-select,
.filter-bar .form-select {
    font-size: 13px;
    padding: 8px 32px 8px 12px;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15), 0 0 20px rgba(99, 102, 241, 0.08);
    background-color: rgba(255, 255, 255, 0.85);
}

.form-label {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 13px;
    margin-bottom: 6px;
}

.form-floating > label {
    color: var(--text-muted);
}

/* ---- Buttons (Glassmorphic) ---- */
.btn {
    border-radius: 12px;
    font-weight: 500;
    font-size: 14px;
    padding: 8px 18px;
    transition: var(--transition);
    position: relative;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    border: none;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #7c3aed 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #34d399 100%);
    border: none;
    box-shadow: 0 4px 15px var(--success-glow);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--success-glow);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger) 0%, #f87171 100%);
    border: none;
    box-shadow: 0 4px 15px var(--danger-glow);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--danger-glow);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning) 0%, #fbbf24 100%);
    border: none;
    box-shadow: 0 4px 15px var(--warning-glow);
}

.btn-lg {
    padding: 12px 28px;
    font-size: 15px;
    border-radius: 14px;
}

.btn-group-sm .btn {
    padding: 4px 10px;
    font-size: 13px;
}

.btn-outline-secondary {
    color: var(--text-muted);
    border-color: rgba(99, 102, 241, 0.2);
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(8px);
}

.btn-outline-secondary:hover {
    background: rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--primary);
}

/* ---- Flash Messages ---- */
.flash-messages {
    margin-bottom: 20px;
}

.alert {
    border-radius: 14px;
    border: 1px solid var(--glass-border);
    font-size: 14px;
    padding: 14px 20px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

/* ---- Info List (customer/invoice details) ---- */
.info-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
}

.info-item i {
    font-size: 16px;
    margin-top: 2px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
    color: var(--primary);
}

/* ---- Invoice Preview ---- */
.invoice-preview {
    border-radius: 16px;
}

/* ---- Login Page (Glassmorphic) ---- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: stretch;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
    animation: loginOrb1 8s ease-in-out infinite alternate;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.25) 0%, transparent 70%);
    bottom: -80px;
    left: -80px;
    border-radius: 50%;
    animation: loginOrb2 10s ease-in-out infinite alternate;
}

@keyframes loginOrb1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-30px, 30px) scale(1.1); }
}

@keyframes loginOrb2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(20px, -20px) scale(1.15); }
}

.login-pitch {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    position: relative;
    z-index: 1;
}

.login-form-side {
    width: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    position: relative;
    z-index: 1;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    color: white;
    margin-bottom: 16px;
    box-shadow: 0 8px 30px var(--primary-glow);
}

.login-header h2 {
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
}

.login-header .text-muted {
    color: rgba(255, 255, 255, 0.6) !important;
}

.login-form .form-floating {
    margin-bottom: 0;
}

.login-form .form-control,
.login-card .form-control {
    border-radius: 12px;
    height: 56px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: white;
    backdrop-filter: blur(8px);
}

.login-card .form-control:focus {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2), 0 0 30px rgba(99, 102, 241, 0.1);
    color: white;
}

.login-card .form-floating > label {
    color: rgba(255, 255, 255, 0.5);
}

.login-card .btn-primary {
    height: 52px;
    font-size: 16px;
    border-radius: 14px;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.login-footer .text-muted {
    color: rgba(255, 255, 255, 0.4) !important;
}

/* Login pitch styling */
.pitch-content {
    max-width: 500px;
    color: white;
}

.pitch-content h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff 0%, #c7d2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pitch-tagline {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 32px;
}

.pitch-logo {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    margin-bottom: 20px;
    box-shadow: 0 8px 30px var(--primary-glow);
}

.pitch-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.pitch-feature {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    backdrop-filter: blur(8px);
    transition: var(--transition);
}

.pitch-feature:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateX(4px);
}

.pitch-feature-icon {
    width: 36px;
    height: 36px;
    background: rgba(99, 102, 241, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #a5b4fc;
    flex-shrink: 0;
}

.pitch-feature strong {
    color: white;
    font-size: 14px;
    display: block;
    margin-bottom: 2px;
}

.pitch-feature p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
    margin: 0;
    line-height: 1.4;
}

/* ---- Help Page ---- */
.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.guide-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.step-number {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}

.step-content h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.step-content p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 0;
}

.tip-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tip-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.tip-item i {
    font-size: 20px;
    margin-top: 2px;
    flex-shrink: 0;
}

.accordion-button {
    font-weight: 500;
    font-size: 14px;
}

.accordion-button:not(.collapsed) {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.accordion-body {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ---- Tooltips via title attributes ---- */
[title] {
    position: relative;
}

/* ---- Input group ---- */
.input-group-text {
    background: rgba(255, 255, 255, 0.5);
    border-color: rgba(99, 102, 241, 0.15);
    color: var(--text-muted);
    border-radius: 12px;
    backdrop-filter: blur(8px);
}

/* ---- Modals (Glassmorphic) ---- */
.modal-content {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-radius: 16px;
}
.modal-header { border-bottom-color: var(--glass-border); }
.modal-footer { border-top-color: var(--glass-border); }

/* ---- Dropdowns (Glassmorphic) ---- */
.dropdown-menu {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 12px;
    padding: 0.5rem;
}
.dropdown-item { border-radius: 8px; }
.dropdown-item:hover, .dropdown-item:focus {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

/* ---- Tooltips (Glassmorphic) ---- */
.tooltip-inner {
    background: rgba(30, 27, 75, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 8px;
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
}
.bs-tooltip-top .tooltip-arrow::before { border-top-color: rgba(30, 27, 75, 0.85); }
.bs-tooltip-bottom .tooltip-arrow::before { border-bottom-color: rgba(30, 27, 75, 0.85); }
.bs-tooltip-start .tooltip-arrow::before { border-left-color: rgba(30, 27, 75, 0.85); }
.bs-tooltip-end .tooltip-arrow::before { border-right-color: rgba(30, 27, 75, 0.85); }

/* ---- Responsive ---- */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding: 16px;
    }

    .page-header {
        flex-direction: column;
    }

    .page-actions {
        width: 100%;
    }

    .stat-value {
        font-size: 20px;
    }
}

@media (max-width: 767.98px) {
    .sidebar {
        width: 220px;
    }

    .main-content {
        padding: 20px;
    }

    .stat-card {
        padding: 16px;
        gap: 12px;
    }

    .stat-icon {
        width: 42px;
        height: 42px;
        font-size: 18px;
    }
}

@media (max-width: 575.98px) {
    .page-title {
        font-size: 22px;
    }

    .btn-group .btn {
        padding: 4px 8px;
    }

    .card-body {
        padding: 16px;
    }
}

/* ---- Print styles (consolidated) ---- */
@media print {
    .sidebar, .topbar, .page-actions, .flash-messages,
    .pagination, .alert, form button[type="submit"],
    .skip-to-content, .btn-group, #bulkToolbar,
    form[method="GET"], .no-print,
    .sort-icon, .filter-btn {
        display: none !important;
    }

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

    /* Force light mode for all print — override dark theme */
    html, html[data-bs-theme="dark"] { color-scheme: light !important; }
    body, [data-bs-theme="dark"] body {
        background: white !important;
        color: #212529 !important;
    }

    body::before {
        display: none !important;
    }

    .card, [data-bs-theme="dark"] .card {
        box-shadow: none;
        border: 1px solid #e2e8f0;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: white !important;
        color: #212529 !important;
    }

    .card-header, [data-bs-theme="dark"] .card-header {
        background: #f1f5f9 !important;
        color: #212529 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .stat-card, [data-bs-theme="dark"] .stat-card {
        border: 1px solid #dee2e6 !important;
        background: white !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
    }

    .badge {
        border: 1px solid currentColor !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .table, [data-bs-theme="dark"] .table {
        background: white !important;
        color: #212529 !important;
    }

    .table th, [data-bs-theme="dark"] .table th {
        background: #f8f9fa !important;
        color: #212529 !important;
        border-bottom: 2px solid #dee2e6 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .table td, [data-bs-theme="dark"] .table td {
        border-bottom: 1px solid #dee2e6 !important;
        color: #212529 !important;
    }

    /* Text colors readable on white paper */
    .text-muted, [data-bs-theme="dark"] .text-muted { color: #6c757d !important; }
    .text-primary, [data-bs-theme="dark"] .text-primary { color: #0d6efd !important; }
    a { color: #212529 !important; }

    thead { display: table-header-group; }
    table { page-break-inside: auto; }
    tr { page-break-inside: avoid; }

    /* Force-show responsive-hidden columns */
    .d-none.d-md-table-cell,
    .d-none.d-lg-table-cell { display: table-cell !important; }
    .d-none.d-lg-inline { display: inline !important; }
}

/* ---- Form Validation States ---- */
.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25), 0 0 20px rgba(239, 68, 68, 0.08);
}

.form-control.is-valid,
.form-select.is-valid {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

.form-control.is-valid:focus,
.form-select.is-valid:focus {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25), 0 0 20px rgba(16, 185, 129, 0.08);
}

.invalid-feedback {
    color: var(--danger);
    font-size: 12px;
    margin-top: 4px;
}

.valid-feedback {
    color: var(--success);
    font-size: 12px;
    margin-top: 4px;
}

/* ---- Text Truncate Utility ---- */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.cell-truncate {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---- Pagination ---- */
.pagination {
    gap: 4px;
}

.pagination .page-link {
    border-radius: 10px;
    border: 1px solid rgba(99, 102, 241, 0.15);
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: var(--transition);
}

.pagination .page-link:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    color: var(--primary-dark);
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.pagination .page-item.disabled .page-link {
    background: rgba(255, 255, 255, 0.4);
    color: var(--text-muted);
    border-color: rgba(99, 102, 241, 0.08);
}

.pagination .page-link:focus-visible {
    outline: 2px solid var(--accent, #6366f1);
    outline-offset: 2px;
}

/* ---- Dark Mode (data-bs-theme="dark") ---- */
/* NOTE: Consolidated dark mode — single block below near end of file */

/* ---- Animations ---- */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}


.card, .stat-card {
    animation: fadeIn 0.4s ease-out;
}

/* ---- Hover states for interactive elements ---- */
.table-hover tbody tr {
    transition: var(--transition);
}

.btn-group .btn {
    transition: var(--transition);
}

.btn-group .btn:hover {
    transform: translateY(-1px);
}

/* ---- Scrollbar ---- */
.sidebar::-webkit-scrollbar {
    width: 4px;
}

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

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.3);
    border-radius: 4px;
}

/* ---- Global scrollbar ---- */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.35);
}

/* ---- KBD styling ---- */
kbd {
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: 6px;
    color: var(--primary);
    font-size: 12px;
    padding: 2px 6px;
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

/* ---- Sidebar Sub-Menus ---- */
.sidebar-menu-group {
    list-style: none;
}

.sidebar-menu-toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 20px;
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
    margin: 2px 0;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
}

.sidebar-menu-toggle:hover {
    background: rgba(99, 102, 241, 0.1);
    color: white;
    border-left-color: rgba(99, 102, 241, 0.5);
}

.sidebar-menu-toggle.active {
    color: white;
}

.sidebar-menu-toggle .submenu-arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.sidebar-menu-toggle[aria-expanded="true"] .submenu-arrow {
    transform: rotate(180deg);
}

.sidebar-submenu {
    list-style: none;
    padding: 2px 0 6px 0;
    margin: 0;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 0 0 8px 8px;
}

.sidebar-submenu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 20px 8px 36px;
    color: #94a3b8;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
    border-radius: 0 6px 6px 0;
}

.sidebar-submenu li a:hover {
    color: white;
    background: rgba(99, 102, 241, 0.08);
}

.sidebar-submenu li a.active {
    color: white;
    background: rgba(99, 102, 241, 0.12);
    border-left-color: var(--primary);
}

.sidebar-submenu li a i {
    font-size: 15px;
    width: 20px;
    text-align: center;
}

/* ---- Sidebar divider ---- */
.sidebar-divider {
    height: 1px;
    background: rgba(99, 102, 241, 0.15);
    margin: 8px 20px;
    list-style: none;
}

/* ---- Theme toggle button ---- */
.theme-toggle {
    border-color: rgba(99, 102, 241, 0.3);
    color: #94a3b8;
    padding: 4px 8px;
    font-size: 16px;
    line-height: 1;
    border-radius: 10px;
}

.theme-toggle:hover {
    background: rgba(99, 102, 241, 0.15);
    color: white;
    border-color: rgba(99, 102, 241, 0.5);
}

/* ============================================
   Dark Mode - Glassmorphic Dark Theme
   Applied when data-bs-theme="dark" on <html>
   ============================================ */
[data-bs-theme="dark"] {
    --body-bg: #0a0a1a;
    --body-gradient: linear-gradient(135deg, #0a0a1a 0%, #0f0c29 25%, #1a1145 50%, #0f0c29 75%, #0a0a1a 100%);
    --glass-bg: rgba(30, 27, 75, 0.4);
    --glass-border: rgba(99, 102, 241, 0.15);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 2px 8px rgba(99, 102, 241, 0.05);
    --glass-shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4), 0 4px 12px rgba(99, 102, 241, 0.1);
    --text-primary: #e2e8f0;
    --text-muted: #94a3b8;
}

[data-bs-theme="dark"] body {
    background: var(--body-gradient);
    background-attachment: fixed;
}

[data-bs-theme="dark"] body::before {
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 50% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
}

[data-bs-theme="dark"] .page-title {
    background: linear-gradient(135deg, #e2e8f0, #a5b4fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-bs-theme="dark"] .card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
}

[data-bs-theme="dark"] .card:hover {
    box-shadow: var(--glass-shadow-hover);
    border-color: rgba(99, 102, 241, 0.25);
}

[data-bs-theme="dark"] .card-title {
    color: #e2e8f0;
}

[data-bs-theme="dark"] .stat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

[data-bs-theme="dark"] .stat-value {
    color: #e2e8f0;
}

[data-bs-theme="dark"] .stat-label {
    color: #94a3b8;
}

[data-bs-theme="dark"] .stat-card-blue .stat-icon { background: rgba(99, 102, 241, 0.2); }
[data-bs-theme="dark"] .stat-card-green .stat-icon { background: rgba(16, 185, 129, 0.2); }
[data-bs-theme="dark"] .stat-card-orange .stat-icon { background: rgba(245, 158, 11, 0.2); }
[data-bs-theme="dark"] .stat-card-purple .stat-icon { background: rgba(139, 92, 246, 0.2); }

[data-bs-theme="dark"] .table th {
    color: #94a3b8;
    border-bottom-color: rgba(99, 102, 241, 0.15);
    background: rgba(99, 102, 241, 0.08);
}

[data-bs-theme="dark"] .table td {
    color: #cbd5e1;
    border-bottom-color: rgba(99, 102, 241, 0.08);
}

[data-bs-theme="dark"] .table-hover tbody tr:hover {
    background-color: rgba(99, 102, 241, 0.1);
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: rgba(15, 12, 41, 0.6);
    border-color: rgba(99, 102, 241, 0.2);
    color: #e2e8f0;
}

/* Dark mode select arrow (consolidated) */
[data-bs-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23818cf8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
}

[data-bs-theme="dark"] .form-select option {
    background: #1e1b4b;
    color: #e2e8f0;
}

[data-bs-theme="dark"] .form-control:focus,
[data-bs-theme="dark"] .form-select:focus {
    background-color: rgba(15, 12, 41, 0.8);
    border-color: var(--primary);
    color: #e2e8f0;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.35), 0 0 20px rgba(99, 102, 241, 0.15);
}

[data-bs-theme="dark"] .form-label {
    color: #94a3b8;
}

[data-bs-theme="dark"] .form-floating > label {
    color: #64748b;
}

[data-bs-theme="dark"] .input-group-text {
    background: rgba(30, 27, 75, 0.5);
    border-color: rgba(99, 102, 241, 0.2);
    color: #94a3b8;
}

[data-bs-theme="dark"] .btn-outline-secondary {
    color: #94a3b8;
    border-color: rgba(99, 102, 241, 0.25);
    background: rgba(30, 27, 75, 0.3);
}

[data-bs-theme="dark"] .btn-outline-secondary:hover {
    background: rgba(99, 102, 241, 0.12);
    color: #e2e8f0;
    border-color: rgba(99, 102, 241, 0.4);
}

[data-bs-theme="dark"] .topbar {
    background: var(--glass-bg);
    border-color: var(--glass-border);
}

[data-bs-theme="dark"] .topbar .btn-link {
    color: #94a3b8;
}

[data-bs-theme="dark"] a {
    color: #818cf8;
}

[data-bs-theme="dark"] a:hover {
    color: #a5b4fc;
}

[data-bs-theme="dark"] .alert {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

[data-bs-theme="dark"] .alert-success { background-color: rgba(25, 135, 84, 0.15); border-color: rgba(25, 135, 84, 0.3); color: #75b798; }
[data-bs-theme="dark"] .alert-danger { background-color: rgba(220, 53, 69, 0.15); border-color: rgba(220, 53, 69, 0.3); color: #ea868f; }
[data-bs-theme="dark"] .alert-warning { background-color: rgba(255, 193, 7, 0.15); border-color: rgba(255, 193, 7, 0.3); color: #ffda6a; }
[data-bs-theme="dark"] .alert-info { background-color: rgba(13, 202, 240, 0.15); border-color: rgba(13, 202, 240, 0.3); color: #6edff6; }

/* Dark mode glassmorphic overrides for modals, dropdowns */
[data-bs-theme="dark"] .modal-content { background: rgba(30, 27, 75, 0.85); border-color: rgba(99, 102, 241, 0.2); }
[data-bs-theme="dark"] .modal-header { border-bottom-color: rgba(99, 102, 241, 0.15); }
[data-bs-theme="dark"] .modal-footer { border-top-color: rgba(99, 102, 241, 0.15); }
[data-bs-theme="dark"] .dropdown-menu { background: rgba(30, 27, 75, 0.9); border-color: rgba(99, 102, 241, 0.2); }
[data-bs-theme="dark"] .dropdown-item { color: #cbd5e1; }
[data-bs-theme="dark"] .dropdown-item:hover, [data-bs-theme="dark"] .dropdown-item:focus { background: rgba(99, 102, 241, 0.15); color: #818cf8; }

[data-bs-theme="dark"] .accordion-button {
    background: var(--glass-bg);
    color: #e2e8f0;
}

[data-bs-theme="dark"] .accordion-button:not(.collapsed) {
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
}

[data-bs-theme="dark"] .accordion-body {
    background: rgba(30, 27, 75, 0.3);
    color: #cbd5e1;
}

[data-bs-theme="dark"] .accordion-item {
    border-color: rgba(99, 102, 241, 0.15);
    background: rgba(30, 27, 75, 0.3);
}

[data-bs-theme="dark"] kbd {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.25);
    color: #a5b4fc;
}

[data-bs-theme="dark"] .form-text {
    color: #8896ab;
}

[data-bs-theme="dark"] pre {
    background: rgba(10, 10, 26, 0.6) !important;
    color: #cbd5e1;
    border: 1px solid rgba(99, 102, 241, 0.15);
}

[data-bs-theme="dark"] .info-item {
    color: #cbd5e1;
}

[data-bs-theme="dark"] .info-item i {
    color: #818cf8;
}

/* Dark mode sidebar */
[data-bs-theme="dark"] .sidebar {
    background: linear-gradient(180deg, rgba(10, 10, 26, 0.98) 0%, rgba(15, 12, 41, 0.95) 100%);
    border-right-color: rgba(99, 102, 241, 0.1);
}

/* Dark mode pagination */
[data-bs-theme="dark"] .pagination .page-link {
    background: rgba(30, 27, 75, 0.5);
    border-color: rgba(99, 102, 241, 0.2);
    color: #818cf8;
}

[data-bs-theme="dark"] .pagination .page-link:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: rgba(99, 102, 241, 0.35);
    color: #a5b4fc;
}

[data-bs-theme="dark"] .pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    border-color: transparent;
    color: white;
}

[data-bs-theme="dark"] .pagination .page-item.disabled .page-link {
    background: rgba(30, 27, 75, 0.3);
    color: #475569;
    border-color: rgba(99, 102, 241, 0.1);
}

/* Dark mode form validation states */
[data-bs-theme="dark"] .form-control.is-invalid,
[data-bs-theme="dark"] .form-select.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

[data-bs-theme="dark"] .form-control.is-invalid:focus,
[data-bs-theme="dark"] .form-select.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.3), 0 0 20px rgba(239, 68, 68, 0.1);
}

[data-bs-theme="dark"] .form-control.is-valid,
[data-bs-theme="dark"] .form-select.is-valid {
    border-color: var(--success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

[data-bs-theme="dark"] .form-control.is-valid:focus,
[data-bs-theme="dark"] .form-select.is-valid:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3), 0 0 20px rgba(16, 185, 129, 0.1);
}

/* Dark mode badge.bg-light */
[data-bs-theme="dark"] .badge.bg-light {
    background: rgba(30, 27, 75, 0.6) !important;
    color: #e2e8f0 !important;
}

/* ---- Report-specific styles ---- */
.report-nav .nav-link {
    color: var(--text-muted);
    border-radius: 12px;
    padding: 10px 16px;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.report-nav .nav-link:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary);
}

.report-nav .nav-link.active {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    color: var(--primary);
    box-shadow: var(--glass-shadow);
}

.filter-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
}

.report-table-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
}

.report-table-card .table th {
    background: rgba(99, 102, 241, 0.05);
}

[data-bs-theme="dark"] .report-nav .nav-link.active {
    background: rgba(99, 102, 241, 0.12);
    border-color: rgba(99, 102, 241, 0.25);
}

[data-bs-theme="dark"] .filter-panel {
    background: rgba(30, 27, 75, 0.4);
    border-color: rgba(99, 102, 241, 0.15);
}

[data-bs-theme="dark"] .report-table-card {
    background: rgba(30, 27, 75, 0.4);
    border-color: rgba(99, 102, 241, 0.15);
}

[data-bs-theme="dark"] .report-table-card .table th {
    background: rgba(99, 102, 241, 0.08);
}

/* ---- Responsive login ---- */
@media (max-width: 991.98px) {
    .login-page {
        flex-direction: column;
    }
    .login-pitch {
        display: none;
    }
    .login-form-side {
        width: 100%;
        min-height: 100vh;
    }
}

/* ============================================
   UI/UX Audit Fixes
   ============================================ */

/* ---- Focus states for keyboard navigation ---- */
.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

a:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}

.sidebar-nav a:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.6);
    outline-offset: -2px;
}

/* ---- Form placeholder contrast ---- */
.form-control::placeholder {
    color: #94a3b8;
    opacity: 0.8;
}

[data-bs-theme="dark"] .form-control::placeholder {
    color: #64748b;
    opacity: 0.9;
}

/* ---- Disabled button states ---- */
.btn:disabled,
.btn.disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* ---- Loading spinner for form submits ---- */
.btn .spinner-border {
    width: 1em;
    height: 1em;
    border-width: 2px;
    vertical-align: -0.1em;
}

/* ---- Clickable rows accessibility ---- */
tr.cursor-pointer {
    cursor: pointer;
}

tr.cursor-pointer:hover td {
    background-color: rgba(99, 102, 241, 0.07);
}

tr[role="button"]:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: -2px;
}

/* ---- Dark mode help page ---- */
[data-bs-theme="dark"] .guide-step {
    border-color: rgba(99, 102, 241, 0.2);
}

[data-bs-theme="dark"] .step-number {
    background: rgba(99, 102, 241, 0.2);
    color: #a5b4fc;
}

[data-bs-theme="dark"] .tip-item {
    border-color: rgba(99, 102, 241, 0.15);
}

/* ---- Reduced motion accessibility ---- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    body::before {
        animation: none !important;
    }
    .btn:hover {
        transform: none !important;
    }
}

/* ---- Icon-only button accessibility ---- */
.btn-group .btn i:only-child {
    margin: 0;
}

/* ---- Mobile sidebar overlay ---- */
@media (max-width: 991.98px) {
    .sidebar.show::before {
        content: '';
        position: fixed;
        top: 0;
        left: var(--sidebar-width);
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.4);
        z-index: -1;
    }
}

/* ---- Category color badges contrast ---- */
.category-badge {
    color: #fff;
    text-shadow: 0 0 2px rgba(0,0,0,0.3);
}

.category-swatch {
    box-shadow: inset 0 0 0 1px rgba(0,0,0,0.1);
}

/* ---- Dark mode bg-light override ---- */
[data-bs-theme="dark"] .bg-light {
    background-color: var(--bs-dark) !important;
}

/* ---- Dark mode badge contrast fixes ---- */
/* bg-warning text-dark becomes invisible in dark mode — override text to stay dark */
[data-bs-theme="dark"] .badge.bg-warning {
    color: #1a1a2e !important;
    background-color: #fbbf24 !important;
}

/* bg-info text-dark — ensure readable in dark mode */
[data-bs-theme="dark"] .badge.bg-info {
    color: #1a1a2e !important;
    background-color: #22d3ee !important;
}

/* bg-secondary in dark mode — slightly brighter for readability */
[data-bs-theme="dark"] .badge.bg-secondary {
    background-color: rgba(99, 102, 241, 0.2) !important;
    color: #a5b4fc !important;
}

/* bg-success badge in dark mode */
[data-bs-theme="dark"] .badge.bg-success {
    background-color: rgba(16, 185, 129, 0.2) !important;
    color: #6ee7b7 !important;
}

/* bg-danger badge in dark mode */
[data-bs-theme="dark"] .badge.bg-danger {
    background-color: rgba(239, 68, 68, 0.2) !important;
    color: #fca5a5 !important;
}

/* bg-primary badge in dark mode */
[data-bs-theme="dark"] .badge.bg-primary {
    background-color: rgba(99, 102, 241, 0.2) !important;
    color: #a5b4fc !important;
}

/* ---- Dark mode outline button fixes ---- */
[data-bs-theme="dark"] .btn-outline-primary {
    color: #818cf8;
    border-color: rgba(99, 102, 241, 0.3);
}

[data-bs-theme="dark"] .btn-outline-primary:hover {
    background: rgba(99, 102, 241, 0.15);
    color: #a5b4fc;
    border-color: rgba(99, 102, 241, 0.5);
}

[data-bs-theme="dark"] .btn-outline-success {
    color: #6ee7b7;
    border-color: rgba(16, 185, 129, 0.3);
}

[data-bs-theme="dark"] .btn-outline-success:hover {
    background: rgba(16, 185, 129, 0.15);
    color: #a7f3d0;
    border-color: rgba(16, 185, 129, 0.5);
}

[data-bs-theme="dark"] .btn-outline-danger {
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.3);
}

[data-bs-theme="dark"] .btn-outline-danger:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #fecaca;
    border-color: rgba(239, 68, 68, 0.5);
}

/* ---- Dark mode text-body-secondary / text-muted fix ---- */
[data-bs-theme="dark"] .text-muted {
    color: #a1afc4 !important;
}

/* ---- Dark mode code elements ---- */
[data-bs-theme="dark"] code {
    color: #c4b5fd;
    background: rgba(99, 102, 241, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
}

[data-bs-theme="dark"] .text-dark {
    color: var(--text-primary) !important;
}

/* ---- Dark mode form-check (checkboxes/switches) ---- */
[data-bs-theme="dark"] .form-check-input {
    background-color: rgba(15, 12, 41, 0.6);
    border-color: rgba(99, 102, 241, 0.3);
}

[data-bs-theme="dark"] .form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* ---- Dark mode nav-tabs / nav-pills ---- */
[data-bs-theme="dark"] .nav-tabs .nav-link {
    color: #94a3b8;
}

[data-bs-theme="dark"] .nav-tabs .nav-link.active {
    background: var(--glass-bg);
    border-color: rgba(99, 102, 241, 0.2);
    color: #e2e8f0;
}

[data-bs-theme="dark"] .nav-tabs .nav-link:hover:not(.active) {
    border-color: rgba(99, 102, 241, 0.15);
    color: #818cf8;
}

/* ---- Dark mode list-group ---- */
[data-bs-theme="dark"] .list-group-item {
    background: rgba(30, 27, 75, 0.3);
    border-color: rgba(99, 102, 241, 0.12);
    color: #cbd5e1;
}

/* ---- Dark mode bg-body-secondary ---- */
[data-bs-theme="dark"] .bg-body-secondary {
    background-color: rgba(15, 12, 41, 0.4) !important;
}

/* ---- Skip to content link ---- */
.skip-to-content {
    position: absolute;
    top: -100%;
    left: 16px;
    z-index: 9999;
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border-radius: 0 0 12px 12px;
    font-weight: 600;
    text-decoration: none;
    transition: top 0.2s ease;
}

.skip-to-content:focus {
    top: 0;
    color: white;
}

/* ---- Portal Styles ---- */
.portal-body { font-family: 'Inter', sans-serif; background: #f8fafc; }
.portal-nav { background: #0f172a; padding: 0 24px; }
.portal-nav .navbar-brand { color: white; font-weight: 700; font-size: 18px; }
.portal-nav .nav-link { color: #94a3b8; font-weight: 500; font-size: 14px; padding: 16px 12px; }
.portal-nav .nav-link:hover, .portal-nav .nav-link.active { color: white; border-bottom: 2px solid #6366f1; }
.portal-content { max-width: 1200px; margin: 0 auto; padding: 32px 24px; }
.stat-card-portal { background: white; border-radius: 12px; padding: 20px; display: flex; align-items: center; gap: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); border-left: 4px solid transparent; transition: all 0.3s ease; }
.stat-card-blue { border-left-color: #6366f1; }
.stat-card-green { border-left-color: #16a34a; }
.stat-card-orange { border-left-color: #f59e0b; }
.stat-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; }
.stat-card-blue .stat-icon { background: #eef2ff; color: #6366f1; }
.stat-card-green .stat-icon { background: #dcfce7; color: #16a34a; }
.stat-card-orange .stat-icon { background: #fef3c7; color: #f59e0b; }
.stat-value { font-size: 24px; font-weight: 700; color: #0f172a; }
.stat-label { font-size: 13px; color: #64748b; }
.theme-toggle-portal { background: none; border: 1px solid rgba(148,163,184,0.3); color: #94a3b8; padding: 4px 8px; font-size: 16px; line-height: 1; border-radius: 8px; cursor: pointer; transition: all 0.3s ease; }
.theme-toggle-portal:hover { color: white; border-color: rgba(99,102,241,0.5); background: rgba(99,102,241,0.15); }

/* ---- Portal Dark Mode ---- */
[data-bs-theme="dark"] .portal-body { background: #0a0a1a; }
[data-bs-theme="dark"] .portal-nav { background: rgba(10, 10, 26, 0.95); border-bottom: 1px solid rgba(99,102,241,0.1); }
[data-bs-theme="dark"] .stat-card, [data-bs-theme="dark"] .stat-card-portal { background: rgba(30,27,75,0.4); box-shadow: 0 4px 16px rgba(0,0,0,0.2); border: 1px solid rgba(99,102,241,0.1); }
[data-bs-theme="dark"] .stat-value { color: #e2e8f0; }
[data-bs-theme="dark"] .stat-label { color: #94a3b8; }
[data-bs-theme="dark"] .stat-card-blue .stat-icon { background: rgba(99,102,241,0.15); }
[data-bs-theme="dark"] .stat-card-green .stat-icon { background: rgba(16,185,129,0.15); }
[data-bs-theme="dark"] .stat-card-orange .stat-icon { background: rgba(245,158,11,0.15); }