src/otava_test_data/web/static/css/style.css

/* Otava Test Data Visualizer Styles */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --secondary-hover: #475569;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --background: #f8fafc;
    --surface: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --chart-line: #3b82f6;
    --chart-point: #ef4444;
    --chart-area: rgba(59, 130, 246, 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Removed overflow-x: hidden to debug layout issues */

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

header {
    background: url('/static/images/meteor.webp') center 65% / cover no-repeat;
    color: white;
    padding: 1.5rem 1rem;
    position: relative;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 0;
}

header > * {
    position: relative;
    z-index: 1;
}

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

.header-left {
    text-align: left;
}

header h1 {
    font-size: 1.25rem;
    margin-bottom: 0.15rem;
}

header .subtitle {
    opacity: 0.9;
    font-size: 0.8rem;
}

header .version {
    text-align: left;
    font-size: 0.65rem;
    opacity: 0.7;
    margin-top: 0.25rem;
}

.header-right {
    display: flex;
    align-items: center;
}

.settings-btn {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.settings-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Settings Dialog */
.settings-dialog {
    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: 1000;
}

.settings-dialog.hidden {
    display: none;
}

.settings-dialog-content {
    background: var(--surface);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    width: 90%;
    max-width: 450px;
    max-height: 90vh;
    overflow-y: auto;
}

.settings-dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.settings-dialog-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.settings-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.settings-close-btn:hover {
    color: var(--text-primary);
}

.settings-dialog-body {
    padding: 1.25rem;
}

.settings-group {
    margin-bottom: 1.25rem;
}

.settings-group:last-child {
    margin-bottom: 0;
}

.settings-group > label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.settings-group .slider-with-bounds {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.settings-group .seed-input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
}

main {
    max-width: calc(100vw - 2rem);
    margin: 0 auto;
    padding: 0.75rem 1rem;
}

/* Generator Grid Section */
.generator-grid-section {
    background: var(--surface);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.generator-grid-section .section-title {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.generator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.5rem;
}

.generator-tile {
    background: var(--background);
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.generator-tile:hover {
    border-color: var(--border-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.generator-tile.selected {
    background: linear-gradient(135deg, #1e3a5f, #1e293b);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.generator-tile.selected .generator-tile-name {
    color: white;
}

.generator-tile-preview {
    width: 100%;
    height: 50px;
    margin-bottom: 0.35rem;
}

.generator-tile-preview canvas {
    width: 100% !important;
    height: 100% !important;
}

.generator-tile-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    line-height: 1.2;
}

.generator-grid-break {
    flex-basis: 100%;
    height: 0;
    grid-column: 1 / -1;
}

/* Placeholder tile for alignment */
.generator-tile.placeholder {
    background: transparent;
    border: 2px dashed var(--border-color);
    cursor: default;
    opacity: 0.3;
}

.generator-tile.placeholder:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border-color);
}

/* Controls Section */
.controls {
    background: var(--surface);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
    align-items: end;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.control-group label {
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.control-group select,
.control-group input[type="number"] {
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    background: white;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="number"] {
    text-align: right;
}

.control-group select:focus,
.control-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.control-group input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--border-color);
    appearance: none;
    cursor: pointer;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: background 0.2s;
}

.control-group input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--primary-hover);
}

/* Top Controls - Parameters section */
.top-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: end;
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.slider-row input[type="range"] {
    flex: 1;
    min-width: 120px;
}

.slider-row span {
    min-width: 4ch;
    text-align: right;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-color);
}

.slider-row input[type="number"] {
    width: 5em;
    text-align: center;
    flex-shrink: 0;
}

/* Slider with configurable bounds */
.slider-with-bounds {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.slider-with-bounds input[type="range"] {
    flex: 1;
    min-width: 100px;
}

.slider-with-bounds .bound-input {
    width: 4.5em;
    padding: 0.25rem 0.3rem;
    font-size: 0.75rem;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    background: var(--background);
}

.slider-with-bounds .bound-input:focus {
    outline: none;
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.slider-with-bounds .value-input {
    width: 5em;
    padding: 0.3rem 0.4rem;
    font-size: 0.85rem;
    text-align: center;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-weight: 600;
    color: var(--primary-color);
}

.slider-with-bounds .value-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

/* Y-Axis slider groups in toolbar */
.analysis-toolbar .y-axis-group {
    flex: 0 1 420px;
    min-width: 330px;
}

.analysis-toolbar .y-axis-group .slider-with-bounds input[type="range"] {
    min-width: 120px;
}

.seed-input {
    width: 5em !important;
    text-align: center;
}

/* Dynamic Parameters */
.dynamic-params {
    flex-basis: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.dynamic-params:empty {
    display: none;
}

#params-section:has(.dynamic-params:empty) {
    display: none;
}

.param-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.param-group label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.param-group .label-with-help {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.param-group input {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
}

/* Control Actions */
.control-actions {
    display: flex;
    gap: 0.5rem;
    align-items: end;
}

.btn-primary,
.btn-secondary {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* Generator Info */
.generator-info {
    background: var(--surface);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    margin-bottom: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.generator-info-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.generator-info-main {
    flex: 1;
    min-width: 200px;
}

.generator-info h3 {
    font-size: 1rem;
    margin-bottom: 0.15rem;
}

.generator-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.change-point-badge {
    margin: 0;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Generator Help Button (? icon) */
.generator-help-btn {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.generator-help-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Generator Tutorial Panel */
.tutorial-panel {
    margin-top: 0.75rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
    animation: slideDown 0.2s ease-out;
}

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

.tutorial-section {
    margin-bottom: 0.75rem;
}

.tutorial-section:last-child {
    margin-bottom: 0;
}

.tutorial-section h4 {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.tutorial-section p {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.5;
}

/* Method Help Button */
.method-help-btn {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
}

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

.method-help-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Method Tutorial Panel */
.method-tutorial {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 6px;
    border-top: 1px solid var(--border-color);
    animation: slideDown 0.2s ease-out;
}

.method-tutorial .method-explanation {
    font-size: 0.8rem;
    color: var(--text-primary);
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.method-tutorial .method-algorithm {
    margin-bottom: 0.5rem;
}

.method-tutorial .method-algorithm strong,
.method-tutorial .method-best-for strong {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.method-tutorial .method-algorithm pre {
    font-size: 0.75rem;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    background: var(--background);
    padding: 0.5rem;
    border-radius: 4px;
    margin-top: 0.25rem;
    white-space: pre-wrap;
    line-height: 1.4;
    color: var(--text-primary);
}

.method-tutorial .method-best-for ul {
    margin: 0.25rem 0 0 1rem;
    padding: 0;
    font-size: 0.8rem;
}

.method-tutorial .method-best-for li {
    margin-bottom: 0.15rem;
    color: var(--text-primary);
}

/* Parameter Label with Help Button */
.label-with-help {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.param-help-btn {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 0.6rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    flex-shrink: 0;
}

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

/* Parameter Label Tooltip */
.param-label[data-tooltip] {
    cursor: help;
    border-bottom: 1px dotted var(--text-secondary);
}

.param-tooltip {
    position: fixed;
    z-index: 1001;
    background: var(--text-primary);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    max-width: 280px;
    line-height: 1.4;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    animation: fadeIn 0.15s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-3px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.param-tooltip::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 15px;
    border-width: 0 6px 6px 6px;
    border-style: solid;
    border-color: transparent transparent var(--text-primary) transparent;
}

/* Popup tooltip for param help buttons */
.param-tooltip-popup {
    position: fixed;
    z-index: 1001;
    background: var(--text-primary);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    max-width: 280px;
    line-height: 1.4;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    animation: fadeIn 0.15s ease-out;
}

.param-help-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Input with Help Button Container */
.input-with-help {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.input-with-help input {
    flex: 1;
}

.hidden {
    display: none !important;
}

/* Chart Container */
.chart-container {
    background: var(--surface);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.chart-container canvas {
    width: 100% !important;
    height: 400px !important;
}

/* Stats Section */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: 0.4rem;
    margin-bottom: 0.5rem;
}

.stat-card {
    background: var(--surface);
    border-radius: 4px;
    padding: 0.3rem 0.4rem;
    text-align: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.stat-card h4 {
    font-size: 0.6rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 0.15rem;
}

.stat-card span {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Change Points Detail */
.change-points-detail {
    background: var(--surface);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.change-points-detail h3 {
    margin-bottom: 1rem;
}

.change-points-detail table {
    width: 100%;
    border-collapse: collapse;
}

.change-points-detail th,
.change-points-detail td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.change-points-detail th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.change-points-detail tr:last-child td {
    border-bottom: none;
}

.change-points-detail .empty-message {
    color: var(--text-secondary);
    font-style: italic;
}

/* Multi-chart Container */
.multi-chart-container {
    background: var(--surface);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.multi-chart-container h2 {
    margin-bottom: 1.5rem;
}

.chart-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.mini-chart {
    background: var(--background);
    border-radius: 8px;
    padding: 1rem;
}

.mini-chart h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.mini-chart p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.mini-chart canvas {
    width: 100% !important;
    height: 200px !important;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: 2rem;
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Analysis Wrapper */
.analysis-wrapper {
    background: var(--surface);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.analysis-wrapper .section-title {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.analysis-toolbar {
    display: flex;
    align-items: end;
    gap: 1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.analysis-toolbar .control-actions {
    display: flex;
    gap: 0.5rem;
}

.analysis-toolbar .control-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.analysis-panels {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.analysis-panels .controls {
    flex: 1;
    min-width: 200px;
    margin-bottom: 0;
    box-shadow: none;
    background: var(--background);
    border-radius: 6px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.analysis-panels .panel-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.4rem;
}

.analysis-panels .panel-header input[type="checkbox"] {
    width: 14px;
    height: 14px;
    cursor: pointer;
}

.analysis-panels .panel-title {
    margin: 0;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.analysis-panels .panel-fields {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.analysis-panels .panel-fields .control-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.analysis-panels .panel-fields .control-group label {
    font-size: 0.75rem;
    white-space: nowrap;
    display: inline-block;
    width: 100px;
    text-align: left;
}

.analysis-panels .panel-fields .control-group input {
    width: 70px;
    padding: 0.25rem 0.4rem;
    font-size: 0.85rem;
}

/* Wider input for p-value to accommodate small values like 0.00001 */
#max-pvalue-input {
    width: 90px;
}

/* Otava Controls Section */
.otava-controls {
    border-left: 3px solid var(--primary-color);
}

.otava-controls .section-title,
.otava-controls .panel-title {
    grid-column: 1 / -1;
    margin: 0 0 0.25rem 0;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.control-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 0.5rem;
    cursor: pointer;
}

.control-group label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    cursor: pointer;
}

/* Chart Legend - hidden as markers are self-explanatory */
.chart-legend {
    display: none;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
}

.legend-marker {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.legend-line {
    width: 20px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.legend-line.ground-truth::before {
    content: '';
    width: 2px;
    height: 100%;
    background: repeating-linear-gradient(
        to bottom,
        #10b981 0px,
        #10b981 4px,
        transparent 4px,
        transparent 7px
    );
}

.legend-marker.true-positive {
    background: #f87171;
    border: 2px solid #ef4444;
    border-radius: 50%;
    width: 10px;
    height: 10px;
}

.legend-marker.close-match {
    background: #fde047;
    border: 2px solid #eab308;
    width: 10px;
    height: 10px;
    transform: rotate(45deg);
}

.legend-marker.false-positive {
    background: transparent;
    border-radius: 0;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 6px 10px 6px;
    border-color: transparent transparent #f97316 transparent;
}

/* Moving Average Controls Section */
.ma-controls {
    border-left: 3px solid #8b5cf6;
}

.ma-controls .section-title,
.ma-controls .panel-title {
    grid-column: 1 / -1;
    margin: 0 0 0.25rem 0;
    color: #8b5cf6;
    font-size: 0.9rem;
}

/* Boundary Controls Section */
.boundary-controls {
    border-left: 3px solid #06b6d4;
}

.boundary-controls .section-title,
.boundary-controls .panel-title {
    grid-column: 1 / -1;
    margin: 0 0 0.25rem 0;
    color: #06b6d4;
    font-size: 0.9rem;
}

/* Threshold Alert Controls Section */
.threshold-controls {
    border-left: 3px solid #ec4899;
}

.threshold-controls .section-title,
.threshold-controls .panel-title {
    grid-column: 1 / -1;
    margin: 0 0 0.25rem 0;
    color: #ec4899;
    font-size: 0.9rem;
}

/* Sliding Window Controls Section */
.sliding-window-controls {
    border-left: 3px solid #14b8a6;
}

.sliding-window-controls .section-title,
.sliding-window-controls .panel-title {
    grid-column: 1 / -1;
    margin: 0 0 0.25rem 0;
    color: #14b8a6;
    font-size: 0.9rem;
}

/* Std Dev Controls Section */
.stddev-controls {
    border-left: 3px solid #a855f7;
}

.stddev-controls .section-title,
.stddev-controls .panel-title {
    grid-column: 1 / -1;
    margin: 0 0 0.25rem 0;
    color: #a855f7;
    font-size: 0.9rem;
}

/* Accuracy Metrics */
.accuracy-metrics {
    background: var(--surface);
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
    margin-bottom: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.metrics-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.3rem;
}

.metrics-header h3 {
    margin: 0;
    font-size: 0.85rem;
}

.metrics-help-btn {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.metrics-help-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* Metrics Tutorial Panel */
.metrics-tutorial-panel {
    margin-bottom: 0.5rem;
    padding: 0.75rem;
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-radius: 6px;
    border-left: 3px solid #f59e0b;
    animation: slideDown 0.2s ease-out;
}

.metrics-tutorial-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.metrics-tutorial-section {
    background: rgba(255, 255, 255, 0.7);
    padding: 0.5rem;
    border-radius: 4px;
}

.metrics-tutorial-section h4 {
    font-size: 0.75rem;
    font-weight: 600;
    color: #92400e;
    margin-bottom: 0.25rem;
}

.metrics-tutorial-section p,
.metrics-tutorial-section li {
    font-size: 0.8rem;
    color: var(--text-primary);
    line-height: 1.4;
    margin: 0;
}

.metrics-tutorial-section ul {
    margin: 0.25rem 0 0 1rem;
    padding: 0;
}

.metrics-tutorial-section li {
    margin-bottom: 0.2rem;
}

.metrics-tutorial-section.metrics-formulas,
.metrics-tutorial-section.metrics-matching {
    grid-column: 1 / -1;
}

.highlight-green {
    color: #10b981;
    font-weight: 600;
}

.highlight-blue {
    color: #3b82f6;
    font-weight: 600;
}

.highlight-red {
    color: #ef4444;
    font-weight: 600;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.4rem;
}

.metric-card {
    background: var(--background);
    border-radius: 6px;
    padding: 0.35rem 0.5rem;
    text-align: center;
}

.metric-card h4 {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.2rem;
}

.metric-card span {
    font-size: 1.1rem;
    font-weight: 700;
    display: block;
    line-height: 1.2;
}

.metric-card .metric-desc {
    font-size: 0.65rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
}

.metric-card.precision span { color: #10b981; }
.metric-card.recall span { color: #3b82f6; }
.metric-card.f1 span { color: #8b5cf6; }

.metric-card.counts {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
}

.count-details {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.count-details span {
    font-size: 0.9rem;
    font-weight: normal;
}

.count-details strong {
    font-weight: 700;
}

/* Accuracy Table */
.accuracy-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.accuracy-table th,
.accuracy-table td {
    padding: 0.4rem 0.6rem;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.accuracy-table th {
    background: var(--background);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.accuracy-table th:first-child,
.accuracy-table td:first-child {
    text-align: left;
}

.accuracy-table tbody tr:hover {
    background: var(--background);
}

.accuracy-table td:nth-child(2) { color: #ef4444; }  /* TP - red */
.accuracy-table td:nth-child(3) { color: #eab308; }  /* CM - yellow */
.accuracy-table td:nth-child(4) { color: #f97316; }  /* FP - orange */
.accuracy-table td:nth-child(5) { color: #64748b; }  /* FN - gray */
.accuracy-table td:nth-child(6) { color: #10b981; }  /* Precision - green */
.accuracy-table td:nth-child(7) { color: #3b82f6; }  /* Recall - blue */
.accuracy-table td:nth-child(8) { color: #8b5cf6; }  /* F1 - purple */

.accuracy-table .empty-message {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
}

/* Comparison Tables */
.comparison-tables {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.table-wrapper {
    overflow-x: auto;
}

.table-wrapper h4 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.table-wrapper table {
    width: 100%;
    font-size: 0.9rem;
}

/* Status badges in tables */
.status-matched {
    color: #10b981;
    font-weight: 600;
}

.status-missed {
    color: #ef4444;
    font-weight: 600;
}

.status-fp {
    color: #f59e0b;
    font-weight: 600;
}

.status-tp {
    color: #10b981;
    font-weight: 600;
}

/* Summary Stats for All Patterns */
.summary-stats {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    text-align: center;
}

.summary-stat {
    padding: 0.5rem;
}

.summary-stat h4 {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.summary-stat span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Mini chart with accuracy indicator */
.mini-chart .accuracy-indicator {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.mini-chart .accuracy-indicator span {
    font-size: 0.8rem;
}

.accuracy-good { color: #10b981; }
.accuracy-medium { color: #f59e0b; }
.accuracy-poor { color: #ef4444; }

/* Stacked Charts Container */
.stacked-charts-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.stacked-chart {
    background: var(--surface);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.stacked-chart-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.stacked-chart-header h4 {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
}

.stacked-chart-header .method-indicator {
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.stacked-chart-header .method-indicator.otava {
    background: var(--primary-color);
}

.stacked-chart-header .method-indicator.ma {
    background: #8b5cf6;
}

.stacked-chart-header .method-indicator.boundary {
    background: #06b6d4;
}

.stacked-chart-header .method-indicator.threshold {
    background: #ec4899;
}

.stacked-chart-header .method-indicator.slidingWindow {
    background: #14b8a6;
}

.stacked-chart-header .method-indicator.stdDev {
    background: #a855f7;
}

.stacked-chart-header .detection-count {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.stacked-chart-header .detection-count strong {
    color: var(--text-primary);
}

.stacked-chart canvas {
    width: 100% !important;
    height: 250px !important;
}

/* First chart (Otava) gets more height */
.stacked-chart:first-child canvas {
    height: 300px !important;
}

/* Mix Mode Styles */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.section-header .section-title {
    margin: 0;
}

.mode-toggle {
    display: flex;
    gap: 0.25rem;
}

.mode-btn {
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.mode-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Mix info panel */
.mix-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0.75rem;
    background: linear-gradient(135deg, #1e3a5f, #1e293b);
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

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

.mix-recipe {
    color: #94a3b8;
    font-size: 0.85rem;
    flex: 1;
}

.mix-recipe .component {
    color: #60a5fa;
    font-weight: 600;
}

.mix-recipe .operation {
    color: #f97316;
    font-weight: 600;
    padding: 0 0.25rem;
}

.clear-mix-btn {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.clear-mix-btn:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: rgba(239, 68, 68, 0.5);
}

/* Hidden rows in mix mode */
.generator-grid.mix-mode .row-3-tile,
.generator-grid.mix-mode .row-4-tile {
    display: none;
}

/* Count badge on tiles */
.generator-tile {
    position: relative;
}

.tile-count-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

/* Operation tile in mix mode */
.operation-tile {
    background: #1e293b !important;
    border: 2px solid #3b82f6 !important;
    cursor: pointer;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.operation-tile:hover {
    background: #1e3a5f !important;
    border-color: #60a5fa !important;
}

.operation-tile .op-label {
    font-size: 1.1rem;
    font-weight: 700;
    color: #60a5fa;
    text-transform: uppercase;
}

.operation-tile .op-hint {
    font-size: 0.65rem;
    color: #64748b;
    margin-top: 0.25rem;
}

/* Mix mode tile highlight */
.generator-grid.mix-mode .generator-tile:not(.placeholder):not(.operation-tile) {
    cursor: pointer;
}

.generator-grid.mix-mode .generator-tile:not(.placeholder):not(.operation-tile):hover {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

.generator-grid.mix-mode .generator-tile.in-mix {
    background: linear-gradient(135deg, #1e3a5f, #1e293b);
    border-color: #3b82f6;
}

.generator-grid.mix-mode .generator-tile.in-mix .generator-tile-name {
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    header {
        padding: 1.5rem;
    }

    header h1 {
        font-size: 1.5rem;
    }

    main {
        padding: 1rem;
    }

    .controls {
        grid-template-columns: 1fr;
    }

    .control-actions {
        flex-direction: column;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

    .chart-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   Dataset mode — load a bundled or pasted series and compare
   Otava algorithm variants on the same data.
   ============================================================ */

.dataset-section {
    background: #fafafa;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 16px 20px;
    margin: 0 0 20px;
}

.dataset-section.hidden {
    display: none;
}

/* The mode toggle bar sits above the per-mode content. */
.mode-toggle-section {
    margin-bottom: 8px;
}

.dataset-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.dataset-label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 14px;
    font-weight: 600;
    max-width: 480px;
}

.dataset-label select {
    padding: 6px 8px;
    font: inherit;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    background: #fff;
}

.dataset-description {
    font-size: 13px;
    color: #64748b;
    margin: 0;
    min-height: 1.4em;
}

.dataset-custom {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 14px;
    font-weight: 600;
}

.dataset-custom.hidden {
    display: none;
}

.dataset-custom textarea {
    font-family: ui-monospace, "SF Mono", Monaco, monospace;
    font-size: 13px;
    padding: 8px;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    resize: vertical;
}

.dataset-hint {
    margin: 8px 0 0;
    font-size: 13px;
    color: #475569;
}

.dataset-status {
    margin: 8px 0 0;
    padding: 6px 10px;
    background: #eef2ff;
    border: 1px solid #c7d2fe;
    border-radius: 4px;
    font-size: 13px;
    color: #1e1b4b;
}

.dataset-status--error {
    background: #fef2f2;
    border-color: #fecaca;
    color: #7f1d1d;
}

.otava-algo-row .algo-unavail {
    margin-left: 4px;
    color: #94a3b8;
    font-style: italic;
}

.dataset-results.hidden {
    display: none;
}

.dataset-results h3 {
    margin: 16px 0 8px;
}

.dataset-results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.dataset-results-table th,
.dataset-results-table td {
    border: 1px solid #e2e8f0;
    padding: 6px 10px;
    text-align: left;
    vertical-align: top;
}

.dataset-results-table th {
    background: #f1f5f9;
}

.dataset-results-table .swatch {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 2px;
    margin-right: 8px;
    vertical-align: middle;
}

/* In dataset mode, hide synthetic-data and ground-truth UI. */
body[data-mode="dataset"] .hide-in-dataset {
    display: none !important;
}

/* Otava algorithm checkbox group (used in the Otava analysis panel). */
.otava-algos {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin: 4px 0 12px;
    font-size: 13px;
}

.otava-algo-row {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    line-height: 1.4;
}

.otava-algo-row input[type="checkbox"] {
    flex-shrink: 0;
}

.otava-algo-row input[disabled] {
    cursor: not-allowed;
}

.algo-hint {
    color: #64748b;
    font-size: 11px;
}