/* Alumni Page Styles - Dark & Light Theme Support */

/* ===== TOP NAVIGATION OVERRIDE ===== */
.alumni-container .top-nav {
    padding: var(--spacing-md) var(--spacing-xl);
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: var(--spacing-xl);
}

.alumni-container .page-title h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.alumni-container .nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.alumni-container .nav-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.alumni-container .nav-link:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

/* ===== ALUMNI PAGE LAYOUT ===== */
.alumni-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.alumni-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl) 0;
    border-bottom: 2px solid var(--border-light);
}

.alumni-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.alumni-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== TAB NAVIGATION ===== */
.alumni-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--border-light);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.tab-button {
    flex: 1;
    max-width: 200px;
    padding: var(--spacing-lg) var(--spacing-xl);
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.tab-button:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.tab-button.active {
    background-color: var(--primary-color);
    color: var(--text-on-primary);
    box-shadow: var(--shadow-primary);
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--text-on-primary);
}

.tab-icon {
    font-size: 1.125rem;
}

/* ===== SEARCH AND FILTERS ===== */
.alumni-filters {
    background-color: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.filter-row {
    display: grid;
    grid-template-columns: 1fr auto auto auto;
    gap: var(--spacing-lg);
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.filter-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.filter-input, .filter-select {
    padding: var(--spacing-md);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.filter-input:focus, .filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.filter-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--primary-color);
    color: var(--text-on-primary);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

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

.clear-btn {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
}

.clear-btn:hover {
    background-color: var(--border-medium);
}

/* ===== TAB CONTENT ===== */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== ALUMNI NETWORK TAB ===== */
.alumni-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background-color: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.alumni-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.alumni-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.alumni-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

.alumni-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.alumni-header-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.alumni-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-on-primary);
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    flex-shrink: 0;
}

.alumni-avatar img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.alumni-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.alumni-graduation {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
    background-color: var(--bg-tertiary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    display: inline-block;
}

.alumni-position {
    margin-bottom: var(--spacing-md);
}

.alumni-role {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.alumni-company {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.alumni-bio {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
}

.alumni-achievements {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.achievement-badge {
    background-color: var(--primary-color);
    color: var(--text-on-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.alumni-social {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background-color: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    border: 1px solid var(--border-light);
}

.social-link:hover {
    background-color: var(--primary-color);
    color: var(--text-on-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ===== ALUMNI WORKS TAB ===== */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.work-card {
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    transition: all var(--transition-normal);
}

.work-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.work-thumbnail {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-on-primary);
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.work-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.work-content {
    padding: var(--spacing-lg);
}

.work-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.work-creator {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.work-description {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.work-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.work-tag {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.work-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: space-between;
    align-items: center;
}

.work-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.work-btn-primary {
    background-color: var(--primary-color);
    color: var(--text-on-primary);
}

.work-btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.work-btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
}

.work-btn-secondary:hover {
    background-color: var(--border-medium);
}

/* ===== EMPTY STATES ===== */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-medium);
    margin-top: var(--spacing-xl);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.empty-state-text {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.empty-state-btn {
    background-color: var(--primary-color);
    color: var(--text-on-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.empty-state-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .alumni-container {
        padding: var(--spacing-lg);
    }
    
    .alumni-title {
        font-size: 2rem;
    }
    
    .alumni-tabs {
        flex-direction: column;
    }
    
    .tab-button {
        max-width: none;
    }
    
    .filter-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .alumni-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .alumni-grid {
        grid-template-columns: 1fr;
    }
    
    .alumni-header-card {
        flex-direction: column;
        text-align: center;
    }
    
    .works-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .alumni-stats {
        grid-template-columns: 1fr;
    }
    
    .alumni-avatar {
        width: 60px;
        height: 60px;
        font-size: 1.25rem;
    }
    
    .alumni-social {
        justify-content: center;
    }
}

/* ===== DARK THEME SPECIFIC ADJUSTMENTS ===== */
[data-theme="dark"] .alumni-card::before {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
}

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

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

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

[data-theme="dark"] .empty-state {
    background-color: var(--bg-tertiary);
    border-color: var(--border-medium);
}

/* ===== CREATOR AVATAR STYLES ===== */
.work-creator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.creator-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-light);
}

.creator-avatar-placeholder {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
}