/* ===============================================
   REPOSITORIES GRID & CARDS
   =============================================== */

.repositories-section {
    margin-bottom: var(--space-2xl);
}

.repositories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
}

.repo-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--space-lg);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

.repo-header {
    display: flex;
    align-items: start;
    gap: var(--space-sm);
}

.repo-name {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    flex: 1;
}

.repo-name:hover {
    text-decoration: underline;
}

.repo-visibility {
    padding: 2px 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: var(--text-xs);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.repo-description {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.repo-language {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.repo-language-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
}

.repo-stats {
    display: flex;
    gap: var(--space-lg);
    margin-top: auto;
}

.repo-stat {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.repo-stat svg {
    width: 16px;
    height: 16px;
}

/* ===============================================
   FILTER CONTROLS
   =============================================== */

.filter-controls {
    display: flex;
    gap: var(--space-md);
}

.filter-select {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    color: var(--text);
    cursor: pointer;
    transition: var(--transition);
}

.filter-select:hover {
    border-color: var(--primary-light);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ===============================================
   EXPORT SECTION
   =============================================== */

.export-section {
    margin-bottom: var(--space-2xl);
    text-align: center;
}

.export-buttons {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
}

.export-button {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: var(--bg);
    color: var(--text);
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: var(--text-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.export-button:hover {
    border-color: var(--primary);
    background: var(--surface);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.export-button-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.export-button-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.export-button svg {
    width: 20px;
    height: 20px;
}

/* ===============================================
   ACTIVITY TIMELINE
   =============================================== */

.timeline-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.activity-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--surface);
    border-radius: 8px;
    align-items: start;
}

.activity-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border-radius: 50%;
    flex-shrink: 0;
}

.activity-icon svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.activity-content {
    flex: 1;
}

.activity-title {
    font-weight: 500;
    color: var(--text);
    margin-bottom: var(--space-xs);
}

.activity-meta {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ===============================================
   CONTRIBUTION GRAPH
   =============================================== */

.contribution-graph {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.contribution-row {
    display: flex;
    gap: 2px;
}

.contribution-cell {
    width: 12px;
    height: 12px;
    background: var(--surface-2);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.contribution-cell:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow);
}

.contribution-level-0 { background: var(--surface-2); }
.contribution-level-1 { background: rgba(99, 102, 241, 0.25); }
.contribution-level-2 { background: rgba(99, 102, 241, 0.5); }
.contribution-level-3 { background: rgba(99, 102, 241, 0.75); }
.contribution-level-4 { background: var(--primary); }

/* ===============================================
   TOOLTIPS
   =============================================== */

.tooltip {
    position: relative;
}

.tooltip-content {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-xs) var(--space-sm);
    background: var(--text);
    color: var(--bg);
    border-radius: 6px;
    font-size: var(--text-xs);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-fast);
}

.tooltip:hover .tooltip-content {
    opacity: 1;
    transform: translateX(-50%) translateY(-4px);
}

/* ===============================================
   BADGES
   =============================================== */

.badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--surface);
    border-radius: 4px;
    font-size: var(--text-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

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

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

/* ===============================================
   ANIMATIONS
   =============================================== */

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

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

.slide-in {
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

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

/* ===============================================
   RESPONSIVE ADJUSTMENTS
   =============================================== */

@media (max-width: 768px) {
    .repositories-grid {
        grid-template-columns: 1fr;
    }

    .export-buttons {
        flex-direction: column;
    }

    .filter-controls {
        width: 100%;
        flex-direction: column;
    }

    .filter-select {
        width: 100%;
    }
}