/* Main Project Styles - Unified with Student Colors */

:root {
    --primary-color: #3b82f6;
    --secondary-color: #1e40af;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-color: rgba(0, 0, 0, 0.05);
}

/* Force Light Theme */
body {
    background-color: var(--bg-color) !important;
    color: var(--text-color) !important;
}

/* Course Cards */
.course-card {
    transition: all 0.3s ease;
    height: 100%;
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-radius: 12px;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.course-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
    border-radius: 12px 12px 0 0;
}

.enrollment-status {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
}

.restriction-alert {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid #ffc107;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
}

/* Admin Sidebar */
.sidebar {
    background: var(--card-bg) !important;
    min-height: 100vh;
    padding: 0;
    border-right: 1px solid var(--border-color);
}

.sidebar-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem;
    text-align: center;
}

.sidebar .nav-link {
    color: var(--text-color);
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    border-radius: 0.75rem;
    margin: 0.25rem 1rem;
    transition: all 0.3s ease;
    font-weight: 500;
}

.sidebar .nav-link:hover {
    background: #f1f5f9;
    color: var(--primary-color);
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.sidebar .nav-link.active:hover {
    transform: translateX(0);
}

.main-content {
    padding: 0;
    background-color: var(--bg-color) !important;
}

/* Dashboard Cards */
.dashboard-card {
    border: none;
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.stat-icon {
    font-size: 2rem;
    opacity: 0.8;
}

/* Forms */
.form-floating > .form-control:focus,
.form-floating > .form-control:not(:placeholder-shown) {
    padding-top: 1.625rem;
    padding-bottom: 0.625rem;
}

.form-floating > label {
    opacity: 0.65;
}

/* Tables */
.table-responsive {
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--card-bg) !important;
}

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

.table th {
    background: var(--bg-color);
    border-top: none;
    font-weight: 600;
    color: var(--text-color);
}

.table td {
    color: var(--text-color);
    border-color: var(--border-color);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
}

.btn-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: white;
}

.btn-gradient-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: white;
}

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

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

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

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

/* Alerts */
.alert {
    border: none;
    border-radius: 0.75rem;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-info {
    background-color: rgba(6, 182, 212, 0.1);
    color: var(--info-color);
    border: 1px solid rgba(6, 182, 212, 0.2);
}

/* Progress bars */
.progress {
    height: 8px;
    border-radius: 4px;
}

/* RTL Support additions */
.rtl .enrollment-status {
    right: auto;
    left: 10px;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

/* Modal improvements */
.modal-content {
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
    border: 1px solid var(--border-color);
}

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

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

.modal-title {
    color: var(--text-color);
}

/* Badge improvements */
.badge {
    font-size: 0.75em;
    padding: 0.35em 0.65em;
}

/* Card improvements */
.card {
    border: none;
    background-color: var(--card-bg) !important;
    color: var(--text-color) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.card-header {
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-color);
}

/* Navigation improvements */
.navbar-brand {
    font-weight: 600;
}

.nav-link {
    font-weight: 500;
}

/* Test sections */
.test-section {
    margin: 20px 0;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #f9f9f9;
}