/* Granulation Page v4.0 Styles */
/* Universal Multi-Stage Content Generation System */

/* ========== Main Layout ========== */
.granulation-page {
    padding: 0;
    background: var(--bg-primary);
}

/* ========== Tabs ========== */
.main-tabs {
    display: flex;
    gap: 8px;
    padding: 0 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.main-tab {
    padding: 12px 24px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.main-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* ========== Summary Cards ========== */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    padding: 24px;
}

.summary-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.summary-icon {
    font-size: 32px;
    opacity: 0.8;
}

.summary-content {
    flex: 1;
}

.summary-value {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
}

.summary-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ========== Projects Table ========== */
.projects-table-container {
    padding: 0 24px 24px;
}

.projects-table {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.project-row {
    cursor: pointer;
    transition: background 0.2s;
}

.project-row:hover {
    background: var(--bg-hover);
}

.project-name {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.project-topic {
    font-size: 13px;
    color: var(--text-secondary);
}

.content-type-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    background: var(--primary-color-light);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
}

/* ========== Progress Bar ========== */
.progress-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--success-color));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* ========== Stage Progress Tracker ========== */
.stage-tracker {
    display: flex;
    padding: 24px;
    gap: 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
}

.stage-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    min-width: 200px;
    position: relative;
}

.stage-item.completed {
    border-color: var(--success-color);
    background: var(--success-color-light);
}

.stage-item.current {
    border-color: var(--primary-color);
    background: var(--primary-color-light);
    animation: pulse 2s infinite;
}

.stage-item.pending {
    opacity: 0.6;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(var(--primary-color-rgb), 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(var(--primary-color-rgb), 0); }
}

.stage-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 2px solid currentColor;
    border-radius: 50%;
    font-weight: 600;
    font-size: 18px;
}

.stage-info {
    flex: 1;
}

.stage-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stage-status {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Stage viewing state */
.stage-item.viewing {
    background: var(--blue-50);
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.stage-item.completed:hover {
    background: var(--bg-hover);
    transform: translateX(2px);
}

/* ========== Stage Content ========== */
.stage-content {
    padding: 24px;
    min-height: 400px;
}

.content-section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
}

.content-section h4 {
    color: var(--primary-color);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

/* ========== Objects Grid ========== */
.objects-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sub-tab {
    padding: 8px 16px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.sub-tab:hover {
    color: var(--text-primary);
}

.sub-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.objects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.object-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.object-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.object-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 12px;
}

.object-header h4 {
    margin: 0;
    color: var(--text-primary);
}

.object-code {
    font-size: 12px;
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.object-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.object-details {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.object-details summary {
    cursor: pointer;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 8px;
}

/* ========== Timeline ========== */
.timeline-container {
    max-height: 600px;
    overflow-y: auto;
}

.timeline-event {
    display: flex;
    gap: 16px;
    padding: 16px;
    background: var(--bg-secondary);
    border-left: 3px solid var(--primary-color);
    margin-bottom: 16px;
    border-radius: 0 8px 8px 0;
}

.timeline-marker {
    font-weight: 600;
    color: var(--primary-color);
    white-space: nowrap;
    min-width: 120px;
}

.timeline-content {
    flex: 1;
}

.timeline-meta {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.impact-badge {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 600;
}

.impact-critical {
    background: var(--danger-color-light);
    color: var(--danger-color);
}

.impact-important {
    background: var(--warning-color-light);
    color: var(--warning-color);
}

.impact-minor {
    background: var(--info-color-light);
    color: var(--info-color);
}

.object-ref {
    font-size: 12px;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-family: var(--font-mono);
}

/* ========== Structure Tree ========== */
.structure-tree {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 16px;
}

.structure-act {
    margin-bottom: 24px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.act-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-tertiary);
    cursor: pointer;
    user-select: none;
}

.act-header:hover {
    background: var(--bg-hover);
}

.toggle-icon {
    transition: transform 0.2s;
}

.act-header.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.act-meta {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 14px;
}

.act-content {
    padding: 16px;
}

.act-description {
    padding: 16px;
    background: var(--bg-primary);
    border-radius: 8px;
    margin-bottom: 16px;
    line-height: 1.6;
}

.chapters-list {
    display: grid;
    gap: 12px;
}

.chapter-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.chapter-card:hover {
    transform: translateX(4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.chapter-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 12px;
}

.chapter-header h5 {
    margin: 0;
    color: var(--text-primary);
}

.chapter-code {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
}

.chapter-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.chapter-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.chapter-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ========== Granular Units ========== */
.units-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 16px;
}

.unit-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.unit-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
}

.unit-header h5 {
    margin: 0;
    color: var(--text-primary);
}

.unit-code {
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.unit-description {
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
}

.unit-meta {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: var(--text-secondary);
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.research-topics {
    padding: 12px;
    background: var(--warning-color-light);
    border-radius: 6px;
    font-size: 13px;
}

.research-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--warning-color);
    color: white;
    border-radius: 4px;
    margin: 4px;
    font-size: 12px;
}

.key-lines {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.key-lines summary {
    cursor: pointer;
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 8px;
}

.key-lines ul {
    margin: 8px 0 0 20px;
    color: var(--text-secondary);
    font-style: italic;
}

/* ========== Create Project Modal ========== */
.content-type-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 12px;
}

.content-type-option {
    cursor: pointer;
}

.content-type-option input {
    display: none;
}

.content-type-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s;
    text-align: center;
}

.content-type-option input:checked + .content-type-card {
    border-color: var(--primary-color);
    background: var(--primary-color-light);
}

.content-type-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.type-icon {
    font-size: 32px;
}

.type-label {
    font-weight: 500;
    color: var(--text-primary);
}

/* ========== Metadata Fields ========== */
.metadata-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.metadata-key,
.metadata-value {
    flex: 1;
}

/* ========== Loading Overlay ========== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.loading-spinner {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 32px;
    text-align: center;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

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

/* ========== Empty States ========== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-message {
    max-width: 400px;
    margin: 0 auto;
}

.empty-icon {
    font-size: 64px;
    opacity: 0.3;
    margin-bottom: 16px;
}

.empty-state p {
    margin-bottom: 20px;
}

/* ========== Responsive Design ========== */
@media (max-width: 768px) {
    .content-type-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stage-tracker {
        flex-direction: column;
    }
    
    .objects-grid,
    .units-grid {
        grid-template-columns: 1fr;
    }
    
    .chapter-meta {
        flex-direction: column;
        gap: 4px;
    }
}