@import url('open-iconic/font/css/open-iconic-bootstrap.min.css');

:root {
    /* Colors - Light Theme */
    --color-primary: #667eea;
    --color-primary-hover: #5a6fd8;
    --color-primary-rgb: 102, 126, 234;
    --color-secondary: #6b7280;
    --color-success: #10b981;
    --color-success-hover: #059669;
    --color-warning: #f59e0b;
    --color-warning-hover: #d97706;
    --color-danger: #ef4444;
    --color-danger-hover: #dc2626;
    --color-info: #3b82f6;
    --color-info-hover: #2563eb;
    --color-accent: #e91e63;

    --color-text: #2c3e50;
    --color-text-heading: #2d3748;
    --color-text-secondary: #4a5568;
    --color-text-muted: #6b7280;
    --color-text-link: #0071c1;
    --color-bg: #f1f3f5;
    --color-bg-card: #ffffff;
    --color-bg-header: #f8fafc;
    --color-bg-hover: #f7fafc;
    --color-border: #e2e8f0;
    --color-border-hover: #cbd5e0;
    --color-border-input: #e0e6ed;

    /* Typography */
    --font-family-base: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-family-cursive: 'Dancing Script', cursive;
    --font-family-mono: 'Courier New', monospace;
    --font-size-base: clamp(0.875rem, 0.825rem + 0.25vw, 1rem);
    --font-size-sm: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-lg: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --font-size-h1: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
    --font-size-h2: clamp(1.25rem, 1.1rem + 0.75vw, 1.75rem);
    --font-size-h3: clamp(1.125rem, 1rem + 0.5vw, 1.5rem);

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 10px 40px rgba(0, 0, 0, 0.15);
    --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 4px 20px rgba(0, 0, 0, 0.12);

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 400;
    --z-toast: 500;
    --z-banner: 1050;
    --z-error-ui: 1000;
}

/* Dark Mode Theme */
[data-theme="dark"] {
    --color-primary: #818cf8;
    --color-primary-hover: #6366f1;
    --color-primary-rgb: 129, 140, 248;
    --color-success: #34d399;
    --color-success-hover: #10b981;
    --color-warning: #fbbf24;
    --color-warning-hover: #f59e0b;
    --color-danger: #f87171;
    --color-danger-hover: #ef4444;
    --color-info: #60a5fa;
    --color-info-hover: #3b82f6;
    --color-accent: #f472b6;

    --color-text: #e2e8f0;
    --color-text-heading: #f1f5f9;
    --color-text-secondary: #cbd5e1;
    --color-text-muted: #94a3b8;
    --color-text-link: #60a5fa;
    --color-bg: #0f172a;
    --color-bg-card: #1e293b;
    --color-bg-header: #1e293b;
    --color-bg-hover: #334155;
    --color-border: #334155;
    --color-border-hover: #475569;
    --color-border-input: #475569;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 2px 10px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 10px 40px rgba(0, 0, 0, 0.6);
    --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.4);
    --shadow-card-hover: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* System preference dark mode */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-primary: #818cf8;
        --color-primary-hover: #6366f1;
        --color-primary-rgb: 129, 140, 248;
        --color-success: #34d399;
        --color-success-hover: #10b981;
        --color-warning: #fbbf24;
        --color-warning-hover: #f59e0b;
        --color-danger: #f87171;
        --color-danger-hover: #ef4444;
        --color-info: #60a5fa;
        --color-info-hover: #3b82f6;
        --color-accent: #f472b6;

        --color-text: #e2e8f0;
        --color-text-heading: #f1f5f9;
        --color-text-secondary: #cbd5e1;
        --color-text-muted: #94a3b8;
        --color-text-link: #60a5fa;
        --color-bg: #0f172a;
        --color-bg-card: #1e293b;
        --color-bg-header: #1e293b;
        --color-bg-hover: #334155;
        --color-border: #334155;
        --color-border-hover: #475569;
        --color-border-input: #475569;

        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 2px 10px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.5);
        --shadow-xl: 0 10px 40px rgba(0, 0, 0, 0.6);
        --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.4);
        --shadow-card-hover: 0 4px 20px rgba(0, 0, 0, 0.5);
    }
}

* {
    box-sizing: border-box;
}

html, body {
    font-family: var(--font-family-base);
    margin: 0;
    padding: 0;
    height: 100%;
    background: var(--color-bg);
    color: var(--color-text);
}

/* Remove any default layout styles */
.page, .sidebar {
    display: none !important;
}

/* Typography improvements */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1rem;
}

/* Hero Title Styling */
.hero-title {
    margin: 0.5rem 0;
}

.hero-title__welcome {
    font-family: var(--font-family-cursive);
    font-size: clamp(2.5rem, 2rem + 3vw, 4.75rem);
    font-weight: 500;
    color: var(--color-accent);
    display: block;
    line-height: 1.1;
}

.hero-title__main {
    font-size: clamp(1.5rem, 1rem + 2vw, 3rem);
    font-weight: 700;
    color: var(--color-text-heading);
    margin: 0.25rem 0;
    line-height: 1.1;
}

.hero-title__subtitle {
    font-size: clamp(1rem, 0.875rem + 1vw, 1.75rem);
    font-weight: 400;
    color: #333;
    margin: 0;
    line-height: 1.3;
}

/* Viewport height responsive adjustments */
@media (max-height: 800px) {
    .hero-title {
        margin: 0.25rem 0;
    }

    .hero-section .mt-5 {
        margin-top: 1.5rem !important;
    }

    .hero-section .card-body {
        padding: 1rem !important;
    }

    .hero-section .py-4 {
        padding-top: 0.75rem !important;
        padding-bottom: 0.75rem !important;
    }
}

@media (max-height: 700px) {
    .hero-section .mt-5 {
        margin-top: 1rem !important;
    }

    .hero-section .g-4 {
        gap: 0.5rem !important;
    }
}

/* Button improvements */
.btn {
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    text-decoration: none;
}

/* Primary button improvements */
.btn-primary {
    background-color: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: #ffffff !important;
}

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

/* Success button improvements */
.btn-success {
    background: var(--color-success);
    border-color: var(--color-success);
    color: #ffffff;
}

.btn-success:hover {
    background: var(--color-success-hover);
    border-color: var(--color-success-hover);
    color: #ffffff;
}

/* Warning button improvements */
.btn-warning {
    background: var(--color-warning);
    border-color: var(--color-warning);
    color: #ffffff;
}

.btn-warning:hover {
    background: var(--color-warning-hover);
    border-color: var(--color-warning-hover);
    color: #ffffff;
}

/* Danger button improvements */
.btn-danger {
    background: var(--color-danger);
    border-color: var(--color-danger);
    color: #ffffff;
}

.btn-danger:hover {
    background: var(--color-danger-hover);
    border-color: var(--color-danger-hover);
    color: #ffffff;
}

/* Info button improvements */
.btn-info {
    background: var(--color-info);
    border-color: var(--color-info);
    color: #ffffff;
}

.btn-info:hover {
    background: var(--color-info-hover);
    border-color: var(--color-info-hover);
    color: #ffffff;
}

/* Outline button improvements */
.btn-outline-primary {
    border-color: var(--color-primary) !important;
    color: var(--color-primary) !important;
    background: transparent !important;
}

.btn-outline-primary:hover {
    background: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
    color: #ffffff !important;
}

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

.btn-outline-success:hover {
    background: var(--color-success);
    border-color: var(--color-success);
    color: #ffffff;
}

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

.btn-outline-warning:hover {
    background: var(--color-warning);
    border-color: var(--color-warning);
    color: #ffffff;
}

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

.btn-outline-danger:hover {
    background: var(--color-danger);
    border-color: var(--color-danger);
    color: #ffffff;
}

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

.btn-outline-info:hover {
    background: var(--color-info);
    border-color: var(--color-info);
    color: #ffffff;
}

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

.btn-outline-secondary:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: #ffffff;
}

/* Card improvements */
.card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    background: var(--color-bg-card);
}

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

.card-header {
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    font-weight: 600;
    color: var(--color-text-heading);
}

/* Form improvements */
.form-control, .form-select {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-input);
    transition: all 0.3s ease;
}

/* Alert improvements */
.alert {
    border-radius: 10px;
    border: none;
    box-shadow: var(--shadow-md);
}

/* Badge improvements */
.badge {
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.35em 0.65em;
    line-height: 1;
}

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

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

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

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

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

.bg-secondary {
    background: var(--color-secondary) !important;
    color: #ffffff !important;
}

/* Text color improvements */
.text-primary {
    color: var(--color-primary) !important;
}

.text-success {
    color: var(--color-success-hover) !important;
}

.text-warning {
    color: var(--color-warning-hover) !important;
}

.text-danger {
    color: var(--color-danger-hover) !important;
}

.text-info {
    color: var(--color-info-hover) !important;
}

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

/* Loading spinner */
.spinner-border {
    color: var(--color-primary);
}

/* Utility classes */
.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Statistics cards with improved contrast */
.card.text-white {
    border: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.card.text-white .card-body {
    position: relative;
    z-index: 2;
}

.card.text-white h4,
.card.text-white p {
    color: #ffffff !important;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    font-weight: 600;
}

.card.text-white i {
    opacity: 0.8;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

/* Specific background improvements for better contrast */
.card.text-white.bg-primary {
    background-color: var(--color-primary) !important;
}

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

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

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

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

/* Improved table styling */
.table {
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table th {
    background: var(--color-bg-header);
    border-bottom: 2px solid var(--color-border);
    color: var(--color-text-heading);
    font-weight: 600;
    padding: 1rem;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.table tbody tr:hover {
    background-color: var(--color-bg-header);
}

/* Form improvements */
.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(var(--color-primary-rgb), 0.25);
    background-color: var(--color-bg-card);
}

/* Modal improvements */
.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-header);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal-title {
    color: var(--color-text-heading);
    font-weight: 600;
}

.modal-body {
    background: var(--color-bg-card);
    color: var(--color-text-secondary);
}

.modal-footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-header);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

h1:focus {
    outline: none;
}

/* Additional contrast improvements for specific components */

/* Improved contrast for stat items in exam management */
.stat-item {
    padding: 0.75rem;
    border-radius: var(--radius-md);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.stat-item:hover {
    background: var(--color-bg-header);
    border-color: var(--color-border-hover);
}

.stat-item i {
    margin-bottom: 0.5rem;
    display: block;
}

.stat-item i.text-primary {
    color: var(--color-primary) !important;
}

.stat-item i.text-info {
    color: var(--color-info) !important;
}

.stat-item i.text-warning {
    color: var(--color-warning) !important;
}

.stat-item i.text-success {
    color: var(--color-success) !important;
}

/* Assignment card improvements */
.assignment-overdue {
    border-left: 4px solid var(--color-danger);
    background: #fef2f2;
}

.assignment-due-soon {
    border-left: 4px solid var(--color-warning);
    background: #fffbeb;
}

.assignment-completed {
    border-left: 4px solid var(--color-success);
    background: #f0fdf4;
}

/* Improved contrast for small text and details */
.exam-details,
.assignment-info {
    background: var(--color-bg-header);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin: 0.75rem 0;
    border: 1px solid var(--color-border);
}

.exam-details .row > div,
.assignment-info .row > div {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    margin-bottom: 0.5rem;
}

/* Better visibility for dropdown menus */
.dropdown-menu {
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-xl);
    background: var(--color-bg-card);
}

.dropdown-item {
    color: var(--color-text-heading);
    transition: all 0.2s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--color-bg-hover);
    color: var(--color-text-heading);
}

/* Improved navigation breadcrumbs */
.breadcrumb {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--color-text-muted);
}

/* Enhanced search and filter components */
.input-group .input-group-text {
    background: var(--color-bg-header);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

/* Better visibility for loading states */
.text-center .spinner-border {
    margin: 2rem auto;
}

/* Improved contrast for card footers */
.card-footer {
    background: var(--color-bg-header);
    border-top: 1px solid var(--color-border);
}

/* Enhanced button groups */
.btn-group .btn {
    border-color: var(--color-border);
}

.btn-group .btn:not(:last-child) {
    border-right-color: var(--color-border);
}

/* Better visibility for navigation tabs */
.nav-tabs {
    border-bottom: 2px solid var(--color-border);
}

.nav-tabs .nav-link {
    color: var(--color-text-secondary);
    border: none;
    background: var(--color-bg-header);
    margin-right: 0.25rem;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.nav-tabs .nav-link.active {
    color: var(--color-primary);
    background: var(--color-bg-card);
    border-bottom: 2px solid var(--color-primary);
}

/* Improved pagination */
.pagination .page-link {
    color: var(--color-primary);
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.pagination .page-link:hover {
    color: var(--color-primary-hover);
    background-color: var(--color-bg-header);
    border-color: var(--color-border-hover);
}

.pagination .page-item.active .page-link {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
}

a, .btn-link {
    color: var(--color-text-link);
}

.content {
    padding-top: 1.1rem;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid red;
}

.validation-message {
    color: red;
}

#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHZpZXdCb3g9IjAgMCA1NiA0OSIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPHBhdGggZD0iTTEzLjUgNi41TDIwLjUgMTIuNUwyNi41IDYuNUw3MJYOTYVMj4gODT0IjVMmN5PzFIIiBzdHJva2U9IiNEQjJEMzQiIHN0cm9rZS13aWR0aD0iMiIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIi8+Cjwvc3ZnPg==) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

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

/* Exam specific styles */
.exam-timer {
    position: fixed;
    top: 10px;
    right: 10px;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 5px;
    padding: 10px;
    font-weight: bold;
}

.question-card {
    border: 1px solid #dee2e6;
    border-radius: 5px;
    padding: 20px;
    margin-bottom: 20px;
}

.answer-option {
    margin: 10px 0;
    padding: 10px;
    border: 1px solid #e9ecef;
    border-radius: 3px;
    cursor: pointer;
}

.answer-option:hover {
    background-color: #f8f9fa;
}

.answer-option.selected {
    background-color: #e3f2fd;
    border-color: #1976d2;
}

.exam-navigation {
    margin-top: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 5px;
}

.question-status {
    display: inline-block;
    width: 30px;
    height: 30px;
    margin: 5px;
    border-radius: 50%;
    text-align: center;
    line-height: 30px;
    cursor: pointer;
}

.question-status--answered {
    background-color: #28a745;
    color: white;
}

.question-status--marked {
    background-color: #ffc107;
    color: black;
}

.question-status--current {
    background-color: #007bff;
    color: white;
}

.question-status--unanswered {
    background-color: #e9ecef;
    color: #6c757d;
}

/* ========================================
   Status Badge Styles (for DataTable)
   ======================================== */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 0.5rem;
    width: fit-content;
    padding: 0.5rem 1rem;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: capitalize;
    transition: border-color 0.2s ease;
}

.status-badge--success {
    color: #40a46a;
    border: 1px solid #40a46a;
    background: rgba(64, 164, 106, 0.1);
}

.status-badge--warning {
    color: #d99f00;
    border: 1px solid #d99f00;
    background: rgba(217, 159, 0, 0.1);
}

.status-badge--danger {
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
    background: rgba(239, 68, 68, 0.1);
}

.status-badge--info {
    color: var(--color-info);
    border: 1px solid var(--color-info);
    background: rgba(59, 130, 246, 0.1);
}

/* ========================================
   Role Pill Styles (for DataTable)
   ======================================== */
.role-pill {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 1rem;
    white-space: nowrap;
    margin-right: 0.25rem;
}

.role-pill--blue {
    color: var(--color-info);
    background: rgba(59, 130, 246, 0.1);
    border: 1.5px solid var(--color-info);
}

.role-pill--green {
    color: #40a46a;
    background: rgba(64, 164, 106, 0.1);
    border: 1.5px solid #40a46a;
}

/* ========================================
   Filter Bar Component
   ----------------------------------------
   A reusable filter bar for DataTable filtering.

   Usage:
   <div class="filter-bar mb-3" role="group">
       <button type="button" class="filter-btn active">
           <i class="fas fa-icon"></i>
           <span>Label</span>
       </button>
       <button type="button" class="filter-btn">
           <i class="fas fa-icon"></i>
           <span>Label</span>
       </button>
   </div>

   Variants:
   - .filter-bar--compact: Smaller padding
   - .filter-bar--rounded: Fully rounded corners
   ======================================== */
.filter-bar {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0;
    background: var(--color-bg-card);
    border-radius: 0.5rem;
    padding: 0.25rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid #e5e7eb;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    background: transparent;
    border: 1px solid transparent;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    min-height: 38px;
}

.filter-btn:hover {
    color: #374151;
    background: #f3f4f6;
}

.filter-btn.active {
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

/* Color variants - inactive state (border and text color) */
.filter-btn--primary {
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    background: transparent;
}

.filter-btn--primary:hover {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary-hover);
}

.filter-btn--success {
    color: var(--color-success);
    border: 1px solid var(--color-success);
    background: transparent;
}

.filter-btn--success:hover {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success-hover);
}

.filter-btn--warning {
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
    background: transparent;
}

.filter-btn--warning:hover {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning-hover);
}

.filter-btn--danger {
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
    background: transparent;
}

.filter-btn--danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger-hover);
}

/* Color variants - active state (solid background) */
.filter-btn--primary.active {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.filter-btn--primary.active:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.filter-btn--success.active {
    background: var(--color-success);
    color: #ffffff;
    border-color: var(--color-success);
}

.filter-btn--success.active:hover {
    background: var(--color-success-hover);
    border-color: var(--color-success-hover);
}

.filter-btn--warning.active {
    background: var(--color-warning);
    color: #ffffff;
    border-color: var(--color-warning);
}

.filter-btn--warning.active:hover {
    background: var(--color-warning-hover);
    border-color: var(--color-warning-hover);
}

.filter-btn--danger.active {
    background: var(--color-danger);
    color: #ffffff;
    border-color: var(--color-danger);
}

.filter-btn--danger.active:hover {
    background: var(--color-danger-hover);
    border-color: var(--color-danger-hover);
}

/* Gray style variant - all inactive buttons are gray
   Applied when body has class 'filter-bar-style-gray' or filter-bar has class 'filter-bar--gray' */
.filter-bar-style-gray .filter-btn--primary,
.filter-bar-style-gray .filter-btn--success,
.filter-bar-style-gray .filter-btn--warning,
.filter-bar-style-gray .filter-btn--danger,
.filter-bar--gray .filter-btn--primary,
.filter-bar--gray .filter-btn--success,
.filter-bar--gray .filter-btn--warning,
.filter-bar--gray .filter-btn--danger {
    color: var(--color-text-muted);
    border: 1px solid transparent;
    background: transparent;
}

.filter-bar-style-gray .filter-btn--primary:hover,
.filter-bar-style-gray .filter-btn--success:hover,
.filter-bar-style-gray .filter-btn--warning:hover,
.filter-bar-style-gray .filter-btn--danger:hover,
.filter-bar--gray .filter-btn--primary:hover,
.filter-bar--gray .filter-btn--success:hover,
.filter-bar--gray .filter-btn--warning:hover,
.filter-bar--gray .filter-btn--danger:hover {
    color: #374151;
    background: #f3f4f6;
}

/* Gray style - keep active states colored */
.filter-bar-style-gray .filter-btn--primary.active,
.filter-bar--gray .filter-btn--primary.active {
    background: var(--color-primary);
    color: #ffffff;
    border-color: var(--color-primary);
}

.filter-bar-style-gray .filter-btn--success.active,
.filter-bar--gray .filter-btn--success.active {
    background: var(--color-success);
    color: #ffffff;
    border-color: var(--color-success);
}

.filter-bar-style-gray .filter-btn--warning.active,
.filter-bar--gray .filter-btn--warning.active {
    background: var(--color-warning);
    color: #ffffff;
    border-color: var(--color-warning);
}

.filter-bar-style-gray .filter-btn--danger.active,
.filter-bar--gray .filter-btn--danger.active {
    background: var(--color-danger);
    color: #ffffff;
    border-color: var(--color-danger);
}

.filter-btn i {
    font-size: 0.875rem;
}

.filter-btn span {
    line-height: 1;
}

/* Compact variant */
.filter-bar--compact .filter-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.filter-bar--compact .filter-btn i {
    font-size: 0.8125rem;
}

/* Rounded variant */
.filter-bar--rounded {
    border-radius: 2rem;
    padding: 0.25rem;
}

.filter-bar--rounded .filter-btn {
    border-radius: 1.5rem;
}

/* Responsive: Stack buttons on small screens */
@media (max-width: 576px) {
    .filter-bar {
        flex-direction: column;
        width: 100%;
    }

    .filter-btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================
   Stat Cards Component
   ----------------------------------------
   Statistics cards with solid color backgrounds.

   Usage:
   <div class="card text-white stat-card stat-card--primary">
       <div class="card-body">...</div>
   </div>

   Variants: --primary, --success, --warning, --danger, --info
   ======================================== */
.stat-card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.stat-card .card-body {
    padding: 1.25rem;
}

.stat-card h4 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-card p {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* Color variants */
.stat-card--primary {
    background-color: var(--color-primary);
}

.stat-card--success {
    background-color: var(--color-success);
}

.stat-card--warning {
    background-color: var(--color-warning);
}

.stat-card--danger {
    background-color: var(--color-danger);
}

.stat-card--info {
    background-color: var(--color-info);
}

/* ========================================
   DataTable Responsive Component
   ----------------------------------------
   Responsive table with priority-based column hiding
   and expandable rows to show hidden content.

   Usage:
   <DataTable Responsive="true" ...>
       <Columns>
           <!-- Priority 0: Always visible -->
           <DataTableColumn Title="Name" Priority="0" ... />
           <!-- Priority 1: Hidden below 992px -->
           <DataTableColumn Title="Email" Priority="1" ... />
           <!-- Priority 2: Hidden below 768px -->
           <DataTableColumn Title="Phone" Priority="2" ... />
           <!-- Priority 3: Hidden below 576px -->
           <DataTableColumn Title="Date" Priority="3" ... />
       </Columns>
   </DataTable>
   ======================================== */

/* Base responsive table styles - ensure full width */
.data-table-responsive {
    width: 100%;
}

.data-table-responsive .table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.data-table-responsive .data-table {
    width: 100%;
    min-width: 100%;
    table-layout: auto;
}

/* Expand button column */
.data-table-responsive .expand-column {
    width: 40px;
    padding: 0 !important;
    background: var(--color-bg-header);
}

.data-table-responsive .expand-cell {
    width: 40px;
    padding: 0 !important;
    text-align: center;
    vertical-align: middle;
}

.data-table-responsive button.expand-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: var(--color-primary) !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.2s ease;
    box-shadow: none !important;
}

.data-table-responsive button.expand-btn:hover {
    background: var(--color-primary-hover) !important;
    transform: scale(1.1);
}

.data-table-responsive button.expand-btn.expanded {
    background: var(--color-danger) !important;
}

.data-table-responsive button.expand-btn.expanded:hover {
    background: var(--color-danger-hover) !important;
}

/* Row states */
.data-table-responsive tr.row-expanded > td {
    background-color: #f0f4ff;
    border-bottom: none;
}

/* Expanded row content */
.expanded-row {
    background-color: var(--color-bg-header);
}

.expanded-row > td {
    padding: 0 !important;
    border-top: none;
}

.expanded-content {
    padding: 1rem;
    padding-left: 52px;
    margin-left: 40px; /* Align with data columns, past expand button */
    background: linear-gradient(to right, #f0f4ff, var(--color-bg-card));
    border-left: 3px solid var(--color-primary);
    border-radius: 0 0 0.5rem 0.5rem;
}

.expanded-field {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e5e7eb;
}

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

.expanded-label {
    font-weight: 600;
    color: #374151;
    min-width: 120px;
}

.expanded-value {
    color: var(--color-text-muted);
    flex: 1;
}

/* Priority-based column visibility */
/* Priority 1: Hide below 992px (lg breakpoint) */
@media (max-width: 991.98px) {
    .data-table-responsive th.priority-1,
    .data-table-responsive td.priority-1 {
        display: none;
    }

    .data-table-responsive .expanded-field[data-priority="1"] {
        display: flex;
    }
}

@media (min-width: 992px) {
    .data-table-responsive .expanded-field[data-priority="1"] {
        display: none;
    }
}

/* Priority 2: Hide below 768px (md breakpoint) */
@media (max-width: 767.98px) {
    .data-table-responsive th.priority-2,
    .data-table-responsive td.priority-2 {
        display: none;
    }

    .data-table-responsive .expanded-field[data-priority="2"] {
        display: flex;
    }
}

@media (min-width: 768px) {
    .data-table-responsive .expanded-field[data-priority="2"] {
        display: none;
    }
}

/* Priority 3: Hide below 576px (sm breakpoint) */
@media (max-width: 575.98px) {
    .data-table-responsive th.priority-3,
    .data-table-responsive td.priority-3 {
        display: none;
    }

    .data-table-responsive .expanded-field[data-priority="3"] {
        display: flex;
    }
}

@media (min-width: 576px) {
    .data-table-responsive .expanded-field[data-priority="3"] {
        display: none;
    }
}

/* Hide expand button when no columns are actually hidden at current viewport */
/* At >= 992px: All priority columns (1,2,3) are visible, hide expand button */
@media (min-width: 992px) {
    .data-table-responsive .expand-column,
    .data-table-responsive .expand-cell {
        display: none;
    }
}

/* ----------------------------------------
   Scroll Fallback (when priority-0 columns still overflow)
   ---------------------------------------- */
.data-table-responsive .table-responsive {
    /* Subtle scrollbar - only appears when needed */
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
}

.data-table-responsive .table-responsive::-webkit-scrollbar {
    height: 6px;
}

.data-table-responsive .table-responsive::-webkit-scrollbar-track {
    background: transparent;
}

.data-table-responsive .table-responsive::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.data-table-responsive .table-responsive::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Minimum widths for priority-0 columns to prevent excessive compression */
@media (max-width: 575.98px) {
    .data-table-responsive .data-table {
        min-width: 320px; /* Minimum table width for very small screens */
    }

    .data-table-responsive th.priority-0,
    .data-table-responsive td.priority-0 {
        min-width: 80px; /* Prevent text from being too squished */
    }

    /* Scroll indicator shadow when table overflows */
    .data-table-responsive .table-responsive {
        background:
            linear-gradient(to right, white 30%, rgba(255,255,255,0)),
            linear-gradient(to left, white 30%, rgba(255,255,255,0)),
            linear-gradient(to right, rgba(0,0,0,0.05), transparent),
            linear-gradient(to left, rgba(0,0,0,0.05), transparent);
        background-position: left center, right center, left center, right center;
        background-repeat: no-repeat;
        background-size: 20px 100%, 20px 100%, 10px 100%, 10px 100%;
        background-attachment: local, local, scroll, scroll;
    }
}

/* ============================================================================
   Impersonation Banner
   ============================================================================ */

.impersonation-banner {
    background: linear-gradient(135deg, var(--color-warning), var(--color-warning-hover));
    color: white;
    padding: 0.5rem 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    z-index: var(--z-banner);
}

.impersonation-banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.impersonation-banner i.fa-user-secret {
    font-size: 1.1rem;
}

.impersonation-banner .btn-outline-light {
    border-color: rgba(255, 255, 255, 0.6);
    color: white;
    font-size: 0.8rem;
    padding: 0.25rem 0.75rem;
}

.impersonation-banner .btn-outline-light:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: white;
}

@media (max-width: 576px) {
    .impersonation-banner {
        padding: 0.5rem;
    }

    .impersonation-banner-content {
        font-size: 0.8rem;
    }

    .impersonation-banner .btn-outline-light {
        font-size: 0.75rem;
        padding: 0.2rem 0.5rem;
    }
}

/* ============================================================================
   Version Badge - Fixed position bottom right
   ============================================================================ */

.version-badge {
    position: fixed;
    bottom: 3px;
    right: 30px;
    background: rgba(0, 0, 0, 0.6);
    color: rgba(255, 255, 255, 0.7);
    font-size: 10px;
    padding: 2px 6px 2px 4px;
    border-radius: 3px;
    font-family: var(--font-family-mono);
    z-index: var(--z-error-ui);
    opacity: 0.5;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: opacity 0.2s ease;
}

.version-badge:hover {
    opacity: 1;
}

.version-badge svg {
    flex-shrink: 0;
    display: block;
}

/* ============================================
   Login Page Styles
   ============================================ */
.login-page {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: calc(100vh - 64px - 50px - 2rem);
    margin: -1rem -1.5rem;
    width: calc(100% + 3rem);
}

.login-page__side {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: var(--color-bg-card);
}

.login-page__form-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 400px;
    width: 100%;
    padding: 2rem;
    box-shadow: rgba(100, 100, 111, 0.2) 0 6px 26px 0;
    border-radius: 1rem;
}

.login-page__welcome-row {
    text-align: left;
}

.login-page__welcome-row h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin: 0 0 0.5rem 0;
}

.login-page__welcome-row p {
    color: #666;
    margin: 0;
    font-size: 1rem;
}

.login-page__form {
    width: 100%;
}

.login-page__form fieldset {
    border: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.text-field {
    position: relative;
}

.text-field label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-heading);
    margin-bottom: 0.5rem;
}

.text-field input {
    width: 100%;
    padding: 0.875rem 2.5rem 0.875rem 1rem;
    border: 1px solid #ccc;
    border-radius: 0.5rem;
    font-size: 1rem;
    color: var(--color-text-heading);
    transition: border-color 0.2s ease;
    background: transparent;
}

.text-field input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.text-field input::placeholder {
    color: #999;
}

.field-icon {
    position: absolute;
    right: 0.875rem;
    top: 2.5rem;
    width: 1.25rem;
    height: 1.25rem;
    color: #999;
    pointer-events: none;
}

.validation-error {
    color: var(--color-danger);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

.login-page__button {
    width: 100%;
    padding: 0.875rem;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background 0.2s ease;
    margin-top: 0.5rem;
}

.login-page__button:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.login-page__button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.login-page__form .spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: login-spin 0.8s linear infinite;
}

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

.form-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

.form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.form-row span {
    color: #666;
}

.form-row a {
    color: var(--color-text-heading);
    font-weight: 600;
    text-decoration: none;
}

.form-row a:hover {
    text-decoration: underline;
}

.form-signup {
    text-align: center;
    margin-top: 0.5rem;
}

.form-signup a {
    color: var(--color-primary);
    font-weight: 700;
    text-decoration: none;
    font-size: 1rem;
}

.form-signup a:hover {
    text-decoration: underline;
}

.login-page__info-side {
    background: linear-gradient(135deg, #f0f4ff 0%, #e8ecff 100%);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 2rem;
}

.login-page__info-illustration {
    width: 100%;
    max-width: 450px;
}

.login-page__info-illustration svg {
    width: 100%;
    height: auto;
}

.login-page__welcome-message {
    max-width: 400px;
}

.login-page__welcome-message h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin: 0 0 1rem 0;
}

.login-page__welcome-message p {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.6;
    margin: 0;
}

/* Login Responsive */
@media (max-width: 992px) {
    .login-page {
        grid-template-columns: 1fr;
    }

    .login-page__info-side {
        display: none;
    }

    .login-page__side {
        min-height: calc(100vh - 64px - 50px - 2rem);
    }
}

@media (max-width: 576px) {
    .login-page {
        margin: -1rem -1rem;
        width: calc(100% + 2rem);
    }
}

@media (max-width: 480px) {
    .login-page__side {
        padding: 1rem;
    }

    .login-page__form-wrapper {
        padding: 1.5rem;
        box-shadow: none;
    }

    .form-row {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   Register Page Styles - Flag Icons
   ============================================ */
.flag-icon {
    display: inline-block;
    width: 1.5em;
    height: 1em;
    margin-right: 0.5em;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    vertical-align: middle;
}

.flag-us { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23B22234"/><path d="M0,3.462h60M0,6.923h60M0,10.385h60M0,13.846h60M0,17.308h60M0,20.769h60M0,24.231h60M0,27.692h60" stroke="%23fff" stroke-width="2.308"/><rect width="24" height="17.308" fill="%233C3B6E"/></svg>'); }
.flag-mx { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="20" height="30" fill="%23006847"/><rect x="20" width="20" height="30" fill="%23fff"/><rect x="40" width="20" height="30" fill="%23CE1126"/></svg>'); }
.flag-es { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23AA151B"/><rect y="7.5" width="60" height="15" fill="%23F1BF00"/></svg>'); }
.flag-gb { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23012169"/><path d="M0,0L60,30M60,0L0,30" stroke="%23fff" stroke-width="6"/><path d="M0,0L60,30M60,0L0,30" stroke="%23C8102E" stroke-width="4"/><path d="M30,0v30M0,15h60" stroke="%23fff" stroke-width="10"/><path d="M30,0v30M0,15h60" stroke="%23C8102E" stroke-width="6"/></svg>'); }
.flag-de { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="10" fill="%23000"/><rect y="10" width="60" height="10" fill="%23D00"/><rect y="20" width="60" height="10" fill="%23FFCE00"/></svg>'); }
.flag-fr { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="20" height="30" fill="%23002395"/><rect x="20" width="20" height="30" fill="%23fff"/><rect x="40" width="20" height="30" fill="%23ED2939"/></svg>'); }
.flag-it { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="20" height="30" fill="%23009246"/><rect x="20" width="20" height="30" fill="%23fff"/><rect x="40" width="20" height="30" fill="%23CE2B37"/></svg>'); }
.flag-pt { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23FF0000"/><rect width="24" height="30" fill="%23006600"/></svg>'); }
.flag-ar { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="10" fill="%2375AADB"/><rect y="10" width="60" height="10" fill="%23fff"/><rect y="20" width="60" height="10" fill="%2375AADB"/></svg>'); }
.flag-br { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23009739"/><path d="M30,5L50,15L30,25L10,15Z" fill="%23FEDD00"/><circle cx="30" cy="15" r="5" fill="%23002776"/></svg>'); }
.flag-cl { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23fff"/><rect y="15" width="60" height="15" fill="%23D52B1E"/><rect width="24" height="15" fill="%230039A6"/></svg>'); }
.flag-co { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="15" fill="%23FCD116"/><rect y="15" width="60" height="7.5" fill="%23003893"/><rect y="22.5" width="60" height="7.5" fill="%23CE1126"/></svg>'); }
.flag-pe { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23fff"/><rect width="20" height="30" fill="%23D91023"/><rect x="40" width="20" height="30" fill="%23D91023"/></svg>'); }
.flag-ve { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="10" fill="%23FFCC00"/><rect y="10" width="60" height="10" fill="%23003893"/><rect y="20" width="60" height="10" fill="%23CF142B"/></svg>'); }
.flag-ec { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="15" fill="%23FFD100"/><rect y="15" width="60" height="7.5" fill="%230072C6"/><rect y="22.5" width="60" height="7.5" fill="%23EF3340"/></svg>'); }
.flag-jp { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23fff"/><circle cx="30" cy="15" r="9" fill="%23BC002D"/></svg>'); }
.flag-cn { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23DE2910"/></svg>'); }
.flag-in { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="10" fill="%23FF9933"/><rect y="10" width="60" height="10" fill="%23fff"/><rect y="20" width="60" height="10" fill="%23138808"/></svg>'); }
.flag-ca { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="15" height="30" fill="%23D52B1E"/><rect x="15" width="30" height="30" fill="%23fff"/><rect x="45" width="15" height="30" fill="%23D52B1E"/></svg>'); }
.flag-au { background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23012169"/></svg>'); }

/* Custom dropdown styles for Register */
.custom-dropdown {
    position: relative;
    width: 100%;
}

.custom-dropdown-toggle {
    width: 100%;
    background-color: var(--color-bg-card);
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    text-align: left;
    display: flex;
    align-items: center;
    padding: 0.375rem 2.25rem 0.375rem 0.375rem;
    position: relative;
}

.custom-dropdown-toggle:hover {
    border-color: #86b7fe;
}

.custom-dropdown-toggle::after {
    content: "";
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-left: 0.3em solid transparent;
    pointer-events: none;
}

.custom-dropdown-input {
    border: none;
    outline: none;
    flex: 1;
    padding: 0 0.5rem;
    background: transparent;
    font-size: 1rem;
}

.custom-dropdown-menu {
    position: absolute;
    z-index: 1000;
    width: 100%;
    max-height: 300px;
    overflow-y: auto;
    background-color: var(--color-bg-card);
    border: 1px solid #dee2e6;
    border-radius: 0.375rem;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    margin-top: 0.125rem;
}

.custom-dropdown-item {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #f8f9fa;
}

.custom-dropdown-item:hover {
    background-color: #f8f9fa;
}

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

.dropdown-flag-icon {
    width: 1.5em;
    height: 1em;
    margin-right: 0.5rem;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    flex-shrink: 0;
}

/* ============================================
   Dark Mode Overrides for Bootstrap
   ============================================ */
[data-theme="dark"] .card,
[data-theme="dark"] .modal-content,
[data-theme="dark"] .dropdown-menu,
[data-theme="dark"] .table,
[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select,
[data-theme="dark"] .input-group-text {
    background-color: var(--color-bg-card);
    color: var(--color-text);
    border-color: var(--color-border);
}

[data-theme="dark"] .card-header,
[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer,
[data-theme="dark"] .card-footer,
[data-theme="dark"] .table th {
    background-color: var(--color-bg-header);
    border-color: var(--color-border);
    color: var(--color-text);
}

[data-theme="dark"] .table td {
    border-color: var(--color-border);
    color: var(--color-text-secondary);
}

[data-theme="dark"] .table tbody tr:hover {
    background-color: var(--color-bg-hover);
}

[data-theme="dark"] .dropdown-item {
    color: var(--color-text);
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
    background-color: var(--color-bg-hover);
    color: var(--color-text);
}

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

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(var(--color-primary-rgb), 0.25);
    background-color: var(--color-bg-card);
}

[data-theme="dark"] .nav-tabs .nav-link {
    color: var(--color-text-secondary);
    background: var(--color-bg-header);
}

[data-theme="dark"] .nav-tabs .nav-link.active {
    color: var(--color-primary);
    background: var(--color-bg-card);
    border-bottom-color: var(--color-primary);
}

[data-theme="dark"] .alert {
    background-color: var(--color-bg-header);
    color: var(--color-text);
}

[data-theme="dark"] body,
[data-theme="dark"] .main-content {
    background-color: var(--color-bg);
    color: var(--color-text);
}

[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
    color: var(--color-text-heading);
}

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

[data-theme="dark"] a, [data-theme="dark"] .btn-link {
    color: var(--color-text-link);
}

/* Dark mode scrollbar */
[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--color-bg);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--color-border);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: var(--color-border-hover);
}

/* ===== Accessibility: Focus Visible ===== */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

/* ===== Accessibility: Touch Targets ===== */
.btn, .form-control, .form-select, .nav-link,
.dropdown-item, .filter-btn, .page-link {
    min-height: 44px;
}

.form-check-input {
    min-width: 20px;
    min-height: 20px;
}

/* ===== Accessibility: Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ===== Accessibility: Skip Link ===== */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 8px 16px;
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}