/* ============================================
 * Timeline Generator — Styles
 * Uses app design tokens from variables.css
 * ============================================ */

/* Layout */
.tl-layout {
    display: flex;
    height: 100%;
    gap: 0;
    background: var(--bg-primary);
    overflow: hidden;
}

.tl-config-panel,
.tl-settings-panel {
    width: 260px;
    min-width: 220px;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
}

.tl-settings-panel {
    border-right: none;
    border-left: 1px solid var(--border-color);
}

.tl-main-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

.tl-panel-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

/* Config Panel */
.tl-config-body,
.tl-settings-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
    flex: 1;
}

.tl-mode-toggle {
    display: flex;
    gap: 4px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: 3px;
}

.tl-mode-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 7px 8px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.tl-mode-btn:hover {
    background: var(--bg-quaternary);
}

.tl-mode-btn.active {
    background: var(--accent);
    color: var(--text-inverse);
    font-weight: 600;
}

.tl-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tl-field label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.tl-field label small {
    text-transform: none;
    font-weight: 400;
    opacity: 0.7;
}

.tl-input,
.tl-textarea,
.tl-select {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 7px 10px;
    color: var(--text-primary);
    font-size: 12px;
    font-family: inherit;
    outline: none;
    transition: border-color var(--transition-normal);
}

.tl-input:focus,
.tl-textarea:focus,
.tl-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-light);
}

.tl-input-sm {
    width: 80px;
    text-align: center;
}

.tl-date-range {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tl-date-sep {
    color: var(--text-muted);
    font-size: 14px;
}

.tl-sources {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tl-checkbox {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-primary);
    cursor: pointer;
}

.tl-checkbox input[type="checkbox"] {
    accent-color: var(--accent);
    width: 14px;
    height: 14px;
}

/* Buttons */
.tl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: inherit;
}

.tl-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-strong);
}

.tl-btn:disabled {
    opacity: 0.5;
    pointer-events: none;
}

.tl-btn-primary {
    background: var(--accent);
    color: var(--text-inverse);
    border-color: var(--accent);
    font-weight: 600;
}

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

.tl-btn-accent {
    background: var(--accent);
    color: var(--text-inverse);
    border-color: var(--accent);
    font-weight: 600;
}

.tl-btn-accent:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.tl-btn-sm {
    padding: 5px 8px;
    font-size: 11px;
}

.tl-btn-presets {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--accent-light);
    border: 1px solid var(--accent-subtle);
    color: var(--accent);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.tl-btn-presets:hover {
    background: var(--accent-subtle);
}

.tl-preset-count {
    background: var(--accent);
    color: var(--text-inverse);
    font-size: 10px;
    padding: 1px 5px;
    border-radius: var(--radius-full);
    font-weight: 700;
    min-width: 16px;
    text-align: center;
}

/* Pill Groups */
.tl-pill-group {
    display: flex;
    gap: 2px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.tl-pill-wrap {
    flex-wrap: wrap;
}

.tl-pill {
    padding: 4px 8px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 500;
    border-radius: var(--radius-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tl-pill:hover {
    background: var(--bg-quaternary);
}

.tl-pill.active {
    background: var(--accent);
    color: var(--text-inverse);
    font-weight: 600;
}

.tl-divider {
    height: 1px;
    background: var(--border-color);
    margin: 4px 0;
}

/* Main Panel Header */
.tl-main-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.tl-main-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.tl-entry-count {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 400;
}

.tl-main-actions {
    display: flex;
    gap: 4px;
}

/* Progress */
.tl-progress {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 16px;
    background: var(--accent-light);
    border-bottom: 1px solid var(--border-color);
}

.tl-progress-track {
    flex: 1;
    height: 4px;
    background: var(--bg-quaternary);
    border-radius: 2px;
    overflow: hidden;
}

.tl-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s;
}

.tl-progress-text {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* Timeline Area */
.tl-timeline-area {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: var(--bg-primary);
}

.tl-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
}

.tl-empty h4 {
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
}

.tl-empty p {
    margin: 0;
    font-size: 12px;
    max-width: 280px;
}

/* Timeline Cards */
.tl-cards {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    padding-left: 40px;
}

.tl-cards::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent) 0%, var(--accent-subtle) 100%);
}

.tl-card {
    position: relative;
    margin-bottom: 16px;
    animation: tlCardIn 0.3s ease-out;
}

@keyframes tlCardIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.tl-card-connector {
    position: absolute;
    left: -28px;
    top: 16px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--accent);
    z-index: 1;
}

.tl-card-high .tl-card-connector {
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-subtle);
}

.tl-card-year {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.tl-card-body {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    transition: border-color var(--transition-normal);
    box-shadow: var(--shadow-xs);
}

.tl-card-body:hover {
    border-color: var(--accent-subtle);
    box-shadow: var(--shadow-sm);
}

.tl-card-img {
    position: relative;
    width: 100%;
    max-height: 180px;
    overflow: hidden;
}

.tl-card-img img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.tl-card-img-actions {
    position: absolute;
    top: 6px;
    right: 6px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.tl-card-img:hover .tl-card-img-actions {
    opacity: 1;
}

.tl-card-img-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-sm);
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: background var(--transition-fast);
}

.tl-card-img-btn:hover {
    background: rgba(0, 0, 0, 0.75);
}

.tl-card-no-img {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.tl-card-gen-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px dashed var(--accent-subtle);
    background: var(--accent-light);
    color: var(--accent);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.tl-card-gen-btn:hover {
    background: var(--accent-subtle);
}

.tl-card-content {
    padding: 10px 12px;
}

.tl-card-title {
    margin: 0 0 4px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.tl-card-desc {
    margin: 0;
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.tl-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 6px;
}

.tl-tag {
    font-size: 9px;
    padding: 2px 6px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: var(--radius-xs);
    font-weight: 500;
}

.tl-card-actions {
    position: absolute;
    top: 6px;
    right: 6px;
    display: flex;
    gap: 2px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.tl-card-body:hover .tl-card-actions {
    opacity: 1;
}

.tl-card-act {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-xs);
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    cursor: pointer;
    font-size: 10px;
    backdrop-filter: blur(4px);
}

.tl-card-act:hover {
    background: rgba(0, 0, 0, 0.7);
}

/* Card Footer (Download / Regenerate bar) */
.tl-card-footer {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
}

/* Batch Bar */
.tl-batch-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

/* Toast */
.tl-toast {
    position: fixed;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 12px;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
    z-index: 9999;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.tl-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.tl-toast.error {
    border-color: var(--danger);
}

.tl-toast.success {
    border-color: var(--accent);
}

/* ============================================
 * Presets Popup
 * ============================================ */

.tl-presets-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.25);
    z-index: 9000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.tl-presets-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

.tl-presets-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 620px;
    max-width: 90vw;
    max-height: 80vh;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    z-index: 9001;
    display: flex;
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s;
    box-shadow: var(--shadow-xl);
}

.tl-presets-popup.show {
    opacity: 1;
    pointer-events: auto;
}

.tl-presets-popup.dragged {
    transform: none;
}

.tl-presets-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    cursor: grab;
    user-select: none;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.tl-presets-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tl-presets-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.tl-presets-header-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tl-presets-io-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tl-presets-io-btn:hover {
    background: var(--bg-quaternary);
    color: var(--text-primary);
}

.tl-presets-add-btn {
    padding: 5px 12px;
    background: var(--accent);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: filter var(--transition-fast);
}

.tl-presets-add-btn:hover {
    background: var(--accent-hover);
}

.tl-presets-close-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.tl-presets-close-btn:hover {
    background: var(--bg-quaternary);
    color: var(--text-primary);
}

.tl-presets-search-bar {
    padding: 8px 16px;
}

.tl-presets-search-input {
    width: 100%;
    padding: 7px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 12px;
    outline: none;
    box-sizing: border-box;
}

.tl-presets-search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-light);
}

.tl-presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 10px;
    padding: 12px 16px;
    overflow-y: auto;
    flex: 1;
}

.tl-presets-empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 40px;
    color: var(--text-muted);
    text-align: center;
    font-size: 12px;
}

/* Presets Footer (Apply button) */
.tl-presets-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.tl-presets-selected-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.tl-presets-selected-label strong {
    color: var(--accent);
}

.tl-preset-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.tl-preset-card:hover {
    border-color: var(--accent-subtle);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.tl-preset-card.selected {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent);
}

.tl-preset-thumb-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--bg-tertiary);
    overflow: hidden;
}

.tl-preset-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tl-preset-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.tl-preset-check {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--border-strong);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: transparent;
}

.tl-preset-check.checked {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--text-inverse);
}

.tl-preset-delete,
.tl-preset-edit {
    position: absolute;
    top: 4px;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-xs);
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition-fast);
    font-size: 14px;
    backdrop-filter: blur(4px);
}

.tl-preset-delete {
    right: 4px;
}

.tl-preset-edit {
    right: 30px;
}

.tl-preset-card:hover .tl-preset-delete,
.tl-preset-card:hover .tl-preset-edit {
    opacity: 1;
}

.tl-preset-delete:hover {
    background: var(--danger);
}

.tl-preset-name {
    padding: 6px 8px;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============================================
 * Add/Edit Preset Modal
 * ============================================ */

.tl-preset-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.3);
    z-index: 9100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.tl-preset-modal.show {
    opacity: 1;
    pointer-events: auto;
}

.tl-preset-modal-content {
    width: 460px;
    max-width: 90vw;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.tl-preset-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.tl-preset-modal-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.tl-preset-modal-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 18px;
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.tl-preset-modal-close:hover {
    background: var(--bg-quaternary);
}

.tl-preset-modal-body {
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.tl-preset-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tl-preset-field label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.tl-preset-field label small {
    text-transform: none;
    font-weight: 400;
    opacity: 0.7;
}

.tl-preset-field input[type="text"],
.tl-preset-field textarea {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    color: var(--text-primary);
    font-size: 12px;
    font-family: inherit;
    outline: none;
    resize: vertical;
}

.tl-preset-field input:focus,
.tl-preset-field textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-light);
}

.tl-preset-thumb-upload {
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.2s;
}

.tl-preset-thumb-upload.dragover {
    border-color: var(--accent);
    background: var(--accent-light);
}

.tl-pm-thumb-preview {
    position: relative;
}

.tl-pm-thumb-preview img {
    width: 100%;
    max-height: 120px;
    object-fit: cover;
    display: block;
}

.tl-pm-thumb-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-xs);
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
}

.tl-pm-thumb-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 24px;
    color: var(--text-muted);
    font-size: 11px;
    text-align: center;
}

.tl-pm-thumb-browse {
    color: var(--accent);
    cursor: pointer;
    text-decoration: underline;
}

.tl-preset-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 12px 18px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

/* ============================================
 * City Mode — Single Comprehensive Card
 * ============================================ */

.tl-city-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.tl-city-header {
    padding: 16px 20px;
    background: var(--accent);
    color: var(--text-inverse);
}

.tl-city-year {
    font-size: 12px;
    font-weight: 500;
    opacity: 0.85;
    letter-spacing: 0.5px;
}

.tl-city-title {
    margin: 4px 0 0;
    font-size: 18px;
    font-weight: 700;
}

.tl-city-body {
    position: relative;
}

.tl-city-img {
    position: relative;
}

.tl-city-img img {
    width: 100%;
    max-height: 360px;
    object-fit: cover;
    display: block;
}

.tl-city-no-img {
    height: 120px;
}

.tl-city-content {
    padding: 16px 20px;
}

.tl-city-desc {
    margin: 0 0 16px;
    font-size: 13px;
    color: var(--text-primary);
    line-height: 1.65;
}

/* Periods Timeline Inside City Card */
.tl-periods {
    position: relative;
    padding-left: 20px;
    margin: 12px 0;
}

.tl-periods-track {
    position: absolute;
    left: 5px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent) 0%, var(--accent-subtle) 100%);
    border-radius: 1px;
}

.tl-period-item {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 4px 0;
    position: relative;
}

.tl-period-dot {
    position: absolute;
    left: -19px;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    border: 2px solid var(--bg-secondary);
    box-shadow: 0 0 0 1px var(--accent);
    flex-shrink: 0;
}

.tl-period-year {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    min-width: 65px;
    flex-shrink: 0;
}

.tl-period-event {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ============================================
 * Loading Spinner (generation indicator)
 * ============================================ */

.tl-card-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 30px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.tl-card-loading span {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

.tl-spinner {
    width: 28px;
    height: 28px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: tlSpin 0.8s linear infinite;
}

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

/* ============================================
 * Problem Mode — Current Status Badge
 * ============================================ */

.tl-card-status {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 6px;
    padding: 4px 8px;
    background: var(--warning-light);
    color: var(--warning);
    border-radius: var(--radius-xs);
    font-size: 10px;
    font-weight: 500;
}