/* Modern Material Design Theme */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* Brand Logo */
.brand-logo {
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
    flex-shrink: 0;
    transform: scale(3);
    transform-origin: center center;
    margin-right: 22px;
    margin-top: 5px;
    margin-left: 40px;
}

.brand-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.brand-slogan {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    line-height: 1;
}

:root {
    /* Primary Color Palette - Dark Teal & Minimalist */
    --primary-color: #0d9488;
    --primary-dark: #0f766e;
    --primary-light: #14b8a6;
    --primary-pale: #f0fdfa;

    /* Neutral Grays */
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Borders & Dividers */
    --border-color: #e5e7eb;
    --divider-color: #f3f4f6;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.10);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12), 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.13), 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 32px rgba(0, 0, 0, 0.13), 0 10px 12px rgba(0, 0, 0, 0.07);

    /* Navbar */
    --navbar-bg: #ffffff;
    --navbar-color: #1f2937;
    --navbar-border: #d1d5db;
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --divider-color: #1e293b;
    --navbar-bg: #1e293b;
    --navbar-color: #f1f5f9;
    --navbar-border: #475569;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    padding-top: 90px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navbar - Material Design */
.navbar {
    background-color: var(--navbar-bg) !important;
    border-bottom: 4px solid var(--navbar-border);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    padding: 1.25rem 0;
    min-height: 90px;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
    letter-spacing: -0.025em;
}

.navbar .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.5rem 1rem !important;
    transition: all 0.2s ease;
    border-radius: 0.5rem;
}

.navbar .nav-link:hover {
    color: var(--primary-color) !important;
    background-color: var(--primary-pale);
}

/* Nav Controls Group - language & theme toggle pill (shared across all pages) */
.nav-controls-group {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: rgba(0, 0, 0, 0.07);
    border-radius: 0.5rem;
    padding: 0.2rem 0.35rem;
}

[data-theme="dark"] .nav-controls-group {
    background: rgba(255, 255, 255, 0.1);
}

.nav-control-btn {
    color: var(--text-primary) !important;
    font-size: 1.1rem;
    padding: 0.3rem 0.5rem;
    border-radius: 0.4rem;
    text-decoration: none;
    border: none;
    background: transparent;
    transition: all 0.2s ease;
    line-height: 1;
    cursor: pointer;
}

.nav-control-btn:hover {
    background: rgba(13, 148, 136, 0.12);
    color: var(--primary-color) !important;
}

.nav-control-btn.dropdown-toggle::after {
    display: none;
}

/* Cards - Elevated Material Design */
.card {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--primary-color) !important;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    font-size: 1.125rem;
    letter-spacing: -0.025em;
}

.card-header:first-child {
    border-top-left-radius: calc(1rem - 1px);
    border-top-right-radius: calc(1rem - 1px);
}

.card-body {
    padding: 1.5rem;
}

/* Buttons - Material Design */
.btn {
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    border: none;
    transition: all 0.2s ease;
    font-size: 0.9375rem;
    letter-spacing: 0.025em;
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

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

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active,
.btn-primary:visited {
    background-color: var(--primary-dark) !important;
    color: white !important;
    border-color: var(--primary-dark) !important;
}

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

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

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

.btn-outline-primary {
    border: 1.5px solid var(--primary-color);
    color: var(--primary-color);
    background-color: transparent;
    box-shadow: none;
}

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

/* Badges - Modern Pills */
.badge {
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.8125rem;
    letter-spacing: 0.025em;
}

.bg-success {
    background-color: var(--success) !important;
}

.bg-warning {
    background-color: var(--warning) !important;
}

.bg-danger {
    background-color: var(--danger) !important;
}

.bg-info {
    background-color: var(--info) !important;
}

.empty-action-highlight {
    color: #111111 !important;
    font-weight: 700;
}

[data-theme="dark"] .alert-info .empty-action-highlight {
    color: #111111 !important;
}

.json-example-pre {
    background: #f8f9fa;
    color: #212529;
    padding: 1rem;
    border-radius: 0.5rem;
    overflow-x: auto;
}

[data-theme="dark"] .json-example-pre {
    background: #1e1e2e;
    color: #cdd6f4;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

/* Form Controls - Clean Material Inputs */
.form-control, .form-select {
    border: 1.5px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.625rem 1rem;
    font-size: 0.9375rem;
    transition: all 0.2s ease;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    outline: none;
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus,
[data-theme="dark"] textarea.form-control:focus,
[data-theme="dark"] #create-question-modal .form-control:focus,
[data-theme="dark"] #create-question-modal .form-select:focus {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.25);
}

[data-theme="dark"] .form-control::placeholder,
[data-theme="dark"] .form-select::placeholder,
[data-theme="dark"] textarea.form-control::placeholder {
    color: #94a3b8 !important;
    opacity: 1 !important;
}

.input-group-text {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
}

.form-check-input {
    background-color: var(--bg-secondary);
    border: 2px solid #9ca3af;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

[data-theme="dark"] .input-group-text {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

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

/* Dark mode: form-text helper and number spin buttons */
[data-theme="dark"] .form-text {
    color: #94a3b8 !important;
}

[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] input[type="time"],
[data-theme="dark"] input[type="datetime-local"],
[data-theme="dark"] select {
    color-scheme: dark;
}

/* File Input - Themed upload button */
.form-control[type="file"] {
    padding: 0.375rem;
    cursor: pointer;
}

.form-control[type="file"]::file-selector-button {
    margin: -0.375rem 0.75rem -0.375rem -0.375rem;
    padding: 0.625rem 1rem;
    border: none;
    border-right: 1px solid var(--border-color);
    border-radius: 0.4rem 0 0 0.4rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #ffffff;
    font-weight: 600;
    transition: filter 0.2s ease;
}

.form-control[type="file"]::file-selector-button:hover {
    filter: brightness(0.95);
}

.form-control[type="file"]::-webkit-file-upload-button {
    margin: -0.375rem 0.75rem -0.375rem -0.375rem;
    padding: 0.625rem 1rem;
    border: none;
    border-right: 1px solid var(--border-color);
    border-radius: 0.4rem 0 0 0.4rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #ffffff;
    font-weight: 600;
}

.form-label {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    letter-spacing: 0.025em;
}

/* Modern Dashboard Cards */
.dashboard-card {
    margin-bottom: 1.5rem;
}

.hover-lift {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeInUp 0.5s ease;
}

/* Utilities */
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }

.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted { color: var(--text-muted) !important; }

.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
}

/* Modal Styles - Theme Aware */
.modal-content {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    border-radius: 1rem 1rem 0 0;
    padding: 1.25rem 1.5rem;
}

.modal-body {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    padding: 1.5rem;
}

.modal-title {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.25rem;
}

.modal-backdrop {
    background-color: rgba(0, 0, 0, 0.7);
}

/* Close button for dark mode */
.btn-close {
    filter: var(--bs-btn-close-filter, none);
}

[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Edit Profile Modal – dark mode inputs */
#editProfileModal .form-control::placeholder {
    color: #9ca3af;
    opacity: 1;
}
[data-theme="dark"] #editProfileModal .form-control {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}
[data-theme="dark"] #editProfileModal .form-control::placeholder {
    color: #94a3b8 !important;
    opacity: 1 !important;
}
[data-theme="dark"] #editProfileModal .form-control:focus {
    background-color: var(--bg-primary) !important;
    border-color: #0d9488 !important;
    box-shadow: 0 0 0 3px rgba(13,148,136,0.25) !important;
}
[data-theme="dark"] #editProfileModal .form-control[readonly] {
    background-color: var(--bg-secondary) !important;
    opacity: 0.65;
    cursor: not-allowed;
}

/* List Group Items - Theme Aware */
.list-group-item {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.list-group-item:hover {
    background-color: var(--bg-primary);
}

/* Footer - Theme Aware */
.footer-theme {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-top: 1px solid var(--border-color);
}

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

/* Cost badge visibility for both themes */
.exam-cost-badge,
.practice-cost-badge {
    font-size: 0.75em;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
    color: #92400e !important;
    background: rgba(255,255,255,0.85) !important;
}

[data-theme="dark"] .exam-cost-badge,
[data-theme="dark"] .practice-cost-badge {
    color: #fcd34d !important;
    background: rgba(0,0,0,0.3) !important;
}

.footer-link {
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--primary-color);
}

.footer-divider {
    border-color: var(--border-color);
    opacity: 0.3;
}

/* RTL Support */
html[lang="ar"] body {
    direction: rtl;
    text-align: right;
}

html[lang="ar"] .navbar-nav {
    margin-right: auto !important;
    margin-left: 0 !important;
}

html[lang="ar"] .dropdown-menu {
    text-align: right;
}

/* Dark theme dropdown styling */
[data-theme="dark"] .dropdown-menu {
    background-color: #1e293b;
    border-color: #334155;
}

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

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
    background-color: #334155;
    color: #f1f5f9;
}

[data-theme="dark"] .dropdown-divider {
    border-color: #334155;
}

/* Table dark mode support */
[data-theme="dark"] .table {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(255,255,255,0.03);
    --bs-table-hover-bg: rgba(255,255,255,0.05);
    --bs-table-color: var(--text-primary);
    color: var(--text-primary);
}
[data-theme="dark"] .table th,
[data-theme="dark"] .table td {
    color: var(--text-primary);
    border-color: var(--border-color);
}
[data-theme="dark"] .card-body,
[data-theme="dark"] .card-header {
    color: var(--text-primary);
}
[data-theme="dark"] .card-body strong,
[data-theme="dark"] .card-body span,
[data-theme="dark"] .card-body h3,
[data-theme="dark"] .card-body h4,
[data-theme="dark"] .card-body h5 {
    color: var(--text-primary);
}
[data-theme="dark"] .text-muted {
    color: var(--text-muted) !important;
}

/* Menu icon color - black in light theme, white in dark theme */
.menu-icon-btn i {
    color: #000000;
}

[data-theme="dark"] .menu-icon-btn i {
    color: #ffffff;
}

/* Compact buttons site-wide */
.btn {
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
}
.btn-lg {
    padding-top: 0.4rem;
    padding-bottom: 0.4rem;
}
.btn-sm {
    padding-top: 0.15rem;
    padding-bottom: 0.15rem;
}