/* 
 * Secure API Client - Custom Styles
 * Completely replaced Tailwind CSS with native CSS
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=DM+Serif+Display&display=swap');

:root {
    --sac-primary: #2563eb;
    --sac-primary-dark: #1d4ed8;
    --sac-success: #10b981;
    --sac-warning: #f59e0b;
    --sac-danger: #ef4444;
    --sac-dark: #111827;
    --sac-gray-50: #f9fafb;
    --sac-gray-100: #f3f4f6;
    --sac-gray-200: #e5e7eb;
    --sac-gray-300: #d1d5db;
    --sac-gray-400: #9ca3af;
    --sac-gray-500: #6b7280;
    --sac-gray-600: #4b5563;
    --sac-text: #374151;
    --sac-white: #ffffff;
    --sac-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --sac-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --sac-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --sac-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Base Styles */
#sac-courses-wrapper {
    font-family: 'Inter', sans-serif;
    color: var(--sac-text);
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

#sac-courses-wrapper h1, 
#sac-courses-wrapper h2, 
#sac-courses-wrapper h3, 
#sac-courses-wrapper h4 {
    font-family: 'DM Serif Display', serif;
}

/* Layout & Grid */
.sac-grid {
    display: flex;
    flex-wrap: wrap;
    margin-left: -1rem;
    margin-right: -1rem;
}

.sac-col {
    padding-left: 1rem;
    padding-right: 1rem;
    margin-bottom: 2rem;
    width: 100%;
}

@media (min-width: 768px) {
    .sac-col-md-6 { width: 50%; }
}

@media (min-width: 1024px) {
    .sac-col-lg-4 { width: 33.3333%; }
}

/* Filters */
.sac-filters {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    align-items: flex-end;
}

.sac-filter-group {
    padding: 0 1rem;
    margin-bottom: 1.5rem;
    width: 100%;
}

@media (min-width: 768px) {
    .sac-filter-group.search { width: 41.666%; }
    .sac-filter-group.org { width: 33.333%; }
    .sac-filter-group.type { width: 25%; }
}

.sac-label {
    display: block;
    font-size: 1.2rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sac-gray-700);
    margin-bottom: 0.5rem;
}

.sac-input, .sac-select {
    width: 100%;
    padding: 0.75rem 1.25rem;
    border: 2px solid var(--sac-gray-100);
    background-color: var(--sac-gray-50);
    border-radius: 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

.sac-input:focus, .sac-select:focus {
    border-color: var(--sac-primary);
    background-color: var(--sac-white);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

/* Cards */
.sac-card {
    background: var(--sac-white);
    border-radius: 1rem;
    border: none;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.sac-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.sac-card-img-wrap {
    position: relative;
    height: 10rem;
    overflow: hidden;
}

.sac-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.sac-card:hover .sac-card-img {
    transform: scale(1.1);
}

.sac-card-body {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.sac-card-title {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.0;
    margin-bottom: 0.75rem;
    color: var(--sac-dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 3rem;
}

/* Colorful Meta Items Row - Course Type, Medium, Batch - Professional Design */
.sac-meta-row {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
}

.sac-meta-colored {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 0.9rem;
    border-radius: 0.875rem;
    flex: 1;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.sac-meta-colored::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.35s ease;
}

.sac-meta-colored:hover::before {
    opacity: 1;
}

.sac-meta-colored:hover {
    transform: translateY(-2px);
}

.sac-meta-colored.sac-color-course-type {
    background: linear-gradient(145deg, #f5f3ff, #ede9fe);
    border: 1px solid #ddd6fe;
}

.sac-meta-colored.sac-color-course-type::before {
    background: linear-gradient(145deg, rgba(139, 92, 246, 0.08), rgba(168, 85, 247, 0.05));
}

.sac-meta-colored.sac-color-medium {
    background: linear-gradient(145deg, #ecfeff, #e0f2fe);
    border: 1px solid #a5f3fc;
}

.sac-meta-colored.sac-color-medium::before {
    background: linear-gradient(145deg, rgba(6, 182, 212, 0.08), rgba(14, 165, 233, 0.05));
}

.sac-meta-colored.sac-color-batch {
    background: linear-gradient(145deg, #fffbeb, #fef3c7);
    border: 1px solid #fde68a;
}

.sac-meta-colored.sac-color-batch::before {
    background: linear-gradient(145deg, rgba(245, 158, 11, 0.08), rgba(249, 115, 22, 0.05));
}

.sac-meta-colored .sac-meta-icon {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 0.625rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.sac-meta-colored.sac-color-course-type .sac-meta-icon {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.sac-meta-colored.sac-color-medium .sac-meta-icon {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.sac-meta-colored.sac-color-batch .sac-meta-icon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.sac-meta-colored .sac-meta-icon i {
    color: white;
    font-size: 1rem;
}

.sac-meta-colored .sac-meta-text {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.35rem;
    overflow: hidden;
}

.sac-meta-colored .sac-meta-text-value {
    font-size: 0.85rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sac-meta-colored .sac-meta-text-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: #9ca3af;
    white-space: nowrap;
    font-style: italic;
}

.sac-meta-colored.sac-color-course-type .sac-meta-text-value {
    color: #6d28d9;
}

.sac-meta-colored.sac-color-medium .sac-meta-text-value {
    color: #0e7490;
}

.sac-meta-colored.sac-color-batch .sac-meta-text-value {
    color: #b45309;
}

/* Other Meta Items - Enhanced Colors */
.sac-meta-list {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    margin-bottom: 1.25rem;
}

.sac-meta-item {
    display: flex;
    align-items: center;
    gap: 0.1rem;
    padding: 0.2rem 0;
}

.sac-meta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    gap: 0.1rem;
}

.sac-meta-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.sac-meta-label i {
    font-size: 0.9rem;
}

.sac-meta-label i.fa-clock-o { color: #f59e0b; }
.sac-meta-label i.fa-calendar { color: #06b6d4; }
.sac-meta-label i.fa-graduation-cap { color: #10b981; }
.sac-meta-label i.fa-barcode { color: #8b5cf6; }

.sac-meta-label img {
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    object-fit: cover;
}

.sac-meta-value {
    font-size: 0.9rem;
    font-weight: 700;
    color: #1e293b;
    text-align: right;
}

.sac-inline-logo {
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid #e2e8f0;
}

.sac-type-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    display: inline-block;
}

.sac-card-footer {
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--sac-gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sac-btn {
    width: 100%;
    justify-content: center;
    font-size: 12px;
}

.sac-card-code {
    font-family: monospace;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--sac-gray-400);
    letter-spacing: 0.1em;
}

.sac-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.sac-btn-primary:hover {
    background-color: var(--sac-primary);
    color: white;
    transform: scale(1.05);
    box-shadow: var(--sac-shadow-lg);
}

.sac-btn-outline {
    background-color: var(--sac-white);
    color: var(--sac-gray-700);
    border: 1px solid var(--sac-gray-200);
}

.sac-btn-outline:hover {
    background-color: var(--sac-gray-50);
}

/* Pagination */
.sac-pagination-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background-color: var(--sac-gray-50);
    border-radius: 1rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .sac-pagination-container { flex-direction: row; }
}

.sac-info-text {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--sac-gray-600);
}

.sac-pagination {
    display: flex;
    gap: 0.25rem;
}

.sac-page-link {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--sac-gray-700);
    background-color: var(--sac-white);
    border: 1px solid var(--sac-gray-200);
    transition: all 0.2s;
}

.sac-page-link:hover {
    background-color: var(--sac-gray-50);
}

.sac-page-link.active {
    background-color: var(--sac-primary);
    color: var(--sac-white);
    border-color: var(--sac-primary);
    box-shadow: var(--sac-shadow);
}

.sac-page-link.disabled {
    opacity: 0.5;
    pointer-events: none;
    color: var(--sac-gray-300);
}

/* Skeletons */
.sac-skeleton {
    background-color: var(--sac-gray-200);
    background-image: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    background-size: 200% 100%;
    animation: sac-shimmer 1.5s infinite;
}

@keyframes sac-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Course Details */
.sac-detail-wrap {
    margin-bottom: 2rem;
}

.sac-detail-card {
    max-width: 900px;
    margin: 0 auto;
    background: var(--sac-white);
    padding: 2.5rem;
    border-radius: 2rem;
    box-shadow: var(--sac-shadow-lg);
    border: 1px solid var(--sac-gray-100);
}

.sac-detail-org {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.25rem;
    background-color: var(--sac-dark);
    color: var(--sac-white);
    border-radius: 9999px;
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.sac-detail-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--sac-dark);
    margin-bottom: 2rem;
}

.sac-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .sac-detail-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Admin Styles */
.sac-admin-wrap {
    padding-top: 2rem;
    max-width: 1200px;
}

.sac-admin-card {
    background: var(--sac-white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--sac-shadow);
    border: 1px solid var(--sac-gray-200);
    margin-top: 1.5rem;
}

.sac-admin-title {
    font-size: 1.875rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.sac-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.sac-stat-item {
    background: var(--sac-white);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--sac-gray-100);
    box-shadow: var(--sac-shadow-sm);
}

.sac-stat-label {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--sac-gray-400);
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.sac-stat-value {
    font-size: 1.5rem;
    font-weight: 900;
}

.sac-admin-form-group {
    margin-bottom: 1.5rem;
}

.sac-table-wrap {
    overflow: hidden;
    border-radius: 1rem;
    border: 1px solid var(--sac-gray-100);
    box-shadow: var(--sac-shadow-sm);
}

.sac-table {
    width: 100%;
    border-collapse: collapse;
}

.sac-table th {
    background-color: var(--sac-gray-50);
    padding: 1rem 1.5rem;
    text-align: left;
    font-size: 0.65rem;
    font-weight: 900;
    text-transform: uppercase;
    color: var(--sac-gray-500);
    border-bottom: 1px solid var(--sac-gray-100);
}

.sac-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--sac-gray-50);
}

.sac-admin-btn-row {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}