/* Taki Education Platform - Main Stylesheet */

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    --border-radius: 6px;
    --box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    --box-shadow-lg: 0 4px 8px rgba(0,0,0,0.15);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-100);
}

/* Arabic/RTL Font */
html[dir="rtl"] body,
html[dir="rtl"],
body[dir="rtl"] {
    font-family: 'Almarai', 'Segoe UI', Tahoma, Arial, sans-serif;
}

/* Header */
.header {
    padding: 1rem 0;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--white);
}

.logo img {
    height: 40px;
    margin-right: 10px;
    vertical-align: middle;
}

.nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav a {
    color: var(--white);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav a:hover {
    background-color: rgba(255,255,255,0.1);
}

.user-menu {
    position: relative;
}

.user-menu-toggle {
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.user-menu-toggle:hover {
    background-color: rgba(255,255,255,0.1);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    min-width: 200px;
    display: none;
    z-index: 1001;
}

.user-dropdown.show {
    display: block;
}

.user-dropdown a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--gray-800);
    text-decoration: none;
    transition: var(--transition);
}

.user-dropdown a:hover {
    background-color: var(--gray-100);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 80px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5rem;
}

.card-header {
    border-bottom: 1px solid var(--gray-200);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0;
}

.card-body {
    padding: 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
}

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

.btn-primary:hover {
    background-color: #2980b9;
    color: var(--white);
}

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

.btn-secondary:hover {
    background-color: #34495e;
    color: var(--white);
}

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

.btn-success:hover {
    background-color: #229954;
    color: var(--white);
}

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

.btn-warning:hover {
    background-color: #e67e22;
    color: var(--white);
}

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

.btn-danger:hover {
    background-color: #c0392b;
    color: var(--white);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background-color: var(--white);
    cursor: pointer;
}

.form-check {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.form-check-input {
    margin-right: 0.5rem;
}

.form-check-label {
    margin: 0;
    cursor: pointer;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffeaa7;
    color: #856404;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

/* Grid System */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.75rem;
}

.col {
    flex: 1;
    padding: 0 0.75rem;
}

.col-1 { flex: 0 0 8.333333%; }
.col-2 { flex: 0 0 16.666667%; }
.col-3 { flex: 0 0 25%; }
.col-4 { flex: 0 0 33.333333%; }
.col-6 { flex: 0 0 50%; }
.col-8 { flex: 0 0 66.666667%; }
.col-9 { flex: 0 0 75%; }
.col-12 { flex: 0 0 100%; }

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background-color: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    color: var(--white);
}

.badge-primary { background-color: var(--primary-color); }
.badge-secondary { background-color: var(--secondary-color); }
.badge-success { background-color: var(--success-color); }
.badge-warning { background-color: var(--warning-color); }
.badge-danger { background-color: var(--danger-color); }
.badge-info { background-color: var(--info-color); }

/* Progress Bars */
.progress {
    width: 100%;
    height: 1rem;
    background-color: var(--gray-200);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

/* Dashboard Cards */
.dashboard-card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

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

.dashboard-card-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.dashboard-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.dashboard-card-text {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

/* Video Player */
.video-container {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background-color: var(--gray-900);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Live Status Indicators */
.live-indicator {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    background-color: var(--danger-color);
    color: var(--white);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
}

.live-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    background-color: var(--white);
    border-radius: 50%;
    margin-right: 0.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
    }
    
    .row {
        flex-direction: column;
    }
    
    .col {
        margin-bottom: 1rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: 0.5rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .dashboard-card {
        margin-bottom: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }

    
    .dashboard-card {
        padding: 1rem;
    }
    
    .dashboard-card-icon {
        font-size: 2rem;
    }
    
    .dashboard-card-title {
        font-size: 1.25rem;
    }
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--gray-300);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--secondary-color); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }
.text-muted { color: var(--gray-600); }

.bg-primary { background-color: var(--primary-color); }
.bg-secondary { background-color: var(--secondary-color); }
.bg-light { background-color: var(--light-color); }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }
.p-5 { padding: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }