/* CorrespExplorer Shared Components
 * Gemeinsame UI-Komponenten fuer alle Seiten
 */

/* ==========================================
 * SIDEBAR INFO SECTION
 * ========================================== */

.sidebar-info {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.sidebar-info h3,
.sidebar-info h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin: 0 0 var(--space-sm) 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-info h3:not(:first-child),
.sidebar-info h4:not(:first-child) {
    margin-top: var(--space-md);
}

.info-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.5;
    margin: 0 0 var(--space-sm) 0;
}

/* ==========================================
 * FILTER GROUP
 * ========================================== */

.filter-group {
    margin-bottom: var(--space-lg);
}

.filter-group h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xs);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.filter-group label:hover {
    color: var(--color-text);
}

.filter-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.filter-count {
    display: inline-block;
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    font-weight: 600;
    background: var(--color-bg-light);
    padding: calc(var(--space-xs) / 2) calc(var(--space-xs) + var(--space-xs) / 2);
    border-radius: var(--radius-sm);
    min-width: 24px;
    text-align: center;
}

/* ==========================================
 * YEAR RANGE DISPLAY
 * ========================================== */

.year-range-display {
    text-align: center;
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    font-weight: 500;
}

/* ==========================================
 * BUTTONS - Following design.md Section 5.2
 * Border-based design, no box-shadows
 * ========================================== */

/* Base button */
.btn {
    font-family: var(--font-base);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Primary Button */
.btn-primary {
    background: var(--color-primary);
    color: white;
    border: 2px solid var(--color-primary-dark);
}

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

/* Secondary Button */
.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
}

/* Reset Button */
.btn-reset {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-light);
    color: var(--color-text);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-reset:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Export Button */
.btn-export {
    width: 100%;
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-primary);
    color: white;
    border: 2px solid var(--color-primary-dark);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

/* ==========================================
 * STAT CARDS (KPI Boxes)
 * ========================================== */

.stats-cards {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.stat-card {
    flex: 1;
    padding: var(--space-md);
    background: var(--color-bg);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}

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

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: var(--space-xs);
}

/* ==========================================
 * MODALS - Following design.md Section 5.4
 * Border-based design with shadow (floating element)
 * ========================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--space-xl);
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--color-bg);
    border: 3px solid var(--color-text);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 600px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.modal-header {
    background: var(--color-bg);
    color: var(--color-primary);
    padding: var(--space-2xl) var(--space-2xl) 0 var(--space-2xl);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.modal-header h2,
.modal-header h3 {
    color: var(--color-primary);
    font-size: var(--font-size-xl);
    margin: 0;
    font-weight: 800;
    letter-spacing: -0.02em;
    font-family: var(--font-headings);
}

.modal-close,
.modal-close-btn {
    background: var(--color-bg-light);
    border: none;
    color: var(--color-text);
    font-size: var(--font-size-xl);
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover,
.modal-close-btn:hover {
    background: #e0e0e0;
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--space-2xl);
}

.modal-footer {
    padding: var(--space-xl) var(--space-2xl);
    background: var(--color-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ==========================================
 * INFO BANNER
 * ========================================== */

.info-banner {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 4px;
}

.info-banner.hidden {
    display: none;
}

.info-banner > i {
    font-size: 1.5rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.info-banner-content {
    flex: 1;
}

.info-banner-content strong {
    display: block;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.info-banner-content p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.info-banner .btn {
    flex-shrink: 0;
}

/* ==========================================
 * ENTITY SPLIT LAYOUT
 * Gemeinsames Layout fuer Topics, Places und aehnliche Views
 * Liste links, Detail-Panel rechts, responsive
 * ========================================== */

.entity-split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    flex: 1;
    min-height: 0;
}

.entity-list-panel {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.entity-list-panel .entity-list {
    flex: 1;
    overflow-y: auto;
}

.entity-detail-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    overflow-y: auto;
}

.entity-detail-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--color-text-light);
    text-align: center;
}

.entity-detail-empty i {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

.entity-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
}

.entity-detail-header h4 {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--color-text);
}

.entity-detail-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    background: var(--color-bg);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
}

.entity-detail-section {
    margin-bottom: var(--space-lg);
}

.entity-detail-section h5 {
    margin: 0 0 var(--space-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.entity-detail-actions {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

/* Entity Stats Row (Name + Count + Bar) */
.entity-stat-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
}

.entity-stat-name {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.entity-stat-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    min-width: 40px;
    text-align: right;
}

.entity-stat-bar {
    width: 80px;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
}

.entity-stat-bar-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
}

/* Mini Timeline (shared for entity details) */
.entity-mini-timeline {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 60px;
    padding: var(--space-sm) 0;
}

.entity-mini-timeline-bar {
    flex: 1;
    background: var(--color-primary);
    border-radius: 2px 2px 0 0;
    min-width: 4px;
    opacity: 0.8;
}

.entity-mini-timeline-bar:hover {
    opacity: 1;
}

/* Tags (shared for related items) */
.entity-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.entity-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.entity-tag:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Responsive: Stack when content area is too narrow for 2 columns
   Sidebar is 380px, so at 1600px window we have 1220px for content
   At 1400px we have 1020px - too narrow for comfortable 2 columns */
@media (max-width: 1600px) {
    .entity-split-layout {
        grid-template-columns: 1fr;
    }

    .entity-list-panel {
        max-height: 50vh;
        overflow-y: auto;
    }

    .entity-detail-panel {
        min-height: 200px;
        flex: 1;
    }
}

/* ==========================================
 * ENTITY CONTAINER AND HEADER
 * Gemeinsamer Container fuer Entity Views (Topics, Places, etc.)
 * ========================================== */

.entity-container {
    padding: var(--space-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.entity-header {
    margin-bottom: var(--space-lg);
}

.entity-header h3 {
    margin: 0 0 var(--space-xs) 0;
    font-size: var(--font-size-xl);
    color: var(--color-text);
}

.entity-header p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* ==========================================
 * ENTITY CARD
 * Gemeinsame Karte fuer Listen-Elemente (Topics, Places, etc.)
 * ========================================== */

.entity-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-light);
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.entity-card:hover {
    border-color: var(--color-primary);
}

.entity-card.active {
    border-color: var(--color-primary);
    background: rgba(166, 75, 63, 0.05);
}

.entity-card-info {
    flex: 1;
    min-width: 0;
}

.entity-card-name {
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.entity-card-meta {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-top: 2px;
}

.entity-card-bar {
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 4px;
}

.entity-card-bar-fill {
    height: 100%;
    background: var(--color-primary);
    border-radius: 2px;
    transition: width var(--transition-fast);
}

.entity-card-count {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    min-width: 50px;
    text-align: right;
}

@media (max-width: 768px) {
    .entity-card {
        padding: var(--space-sm);
    }
}

/* ==========================================
 * AUTOCOMPLETE COMPONENT
 * Dropdown mit Suchfeld fuer Personen, Orte etc.
 * ========================================== */

.autocomplete-container {
    position: relative;
    width: 100%;
}

.autocomplete-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    background: #FFFFFF;
    color: var(--color-text);
}

.autocomplete-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.autocomplete-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 300px;
    overflow-y: auto;
    background: #FFFFFF;
    border: 2px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 100;
}

.autocomplete-dropdown.hidden {
    display: none;
}

.autocomplete-item {
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.highlighted {
    background: var(--color-bg);
}

.autocomplete-item-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.autocomplete-item-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    margin-left: var(--space-sm);
}

.autocomplete-empty {
    padding: var(--space-md);
    color: var(--color-text-light);
    text-align: center;
    font-size: var(--font-size-sm);
}

/* ==========================================
 * Sankey Zoom Controls
 * ========================================== */

.sankey-zoom-controls {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    z-index: 10;
}

.sankey-zoom-controls .map-control-btn {
    width: 32px;
    height: 32px;
    font-size: var(--font-size-sm);
}