/* Power Law Outlier Lab — lab-specific styles
   Inherits from /css/style.css (body gradient, header, nav, footer) */

/* Tooltip system — used across all inputs and chips */
.tip-wrap {
    position: relative;
}
.tip-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.75);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    font-weight: 700;
    line-height: 1;
    margin-left: 0.35rem;
    cursor: help;
    transition: background-color 0.2s ease, color 0.2s ease;
    user-select: none;
    vertical-align: middle;
}
.tip-icon:hover,
.tip-wrap:hover .tip-icon,
.tip-wrap:focus-within .tip-icon {
    background: rgba(250, 204, 21, 0.35);
    color: #facc15;
}

.tip-content {
    /* Default position is off-screen viewport-fixed; JS sets real coords on hover.
       Critical: this keeps the tooltip from contributing to its ancestors' scrollWidth,
       which was making the controls column overflow even when hidden. */
    position: fixed;
    left: -9999px;
    top: 0;
    width: 280px;
    max-width: calc(100vw - 2rem);
    background: rgba(15, 23, 42, 0.97);
    border: 1px solid rgba(250, 204, 21, 0.4);
    border-radius: 0.5rem;
    padding: 0.75rem 0.875rem;
    font-size: 0.78rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.92);
    z-index: 200;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    font-weight: 400;
    letter-spacing: normal;
    text-transform: none;
    white-space: normal;
    text-align: left;
}

/* .tip-content--below is a flag read by JS to decide above-vs-below positioning.
   No CSS positioning rules here — JS handles it. */

.tip-content strong {
    color: #facc15;
    font-weight: 600;
}
.tip-content em {
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
}
.tip-content code {
    background: rgba(0, 0, 0, 0.4);
    padding: 0.05rem 0.3rem;
    border-radius: 0.2rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.72rem;
    color: #93c5fd;
}
.tip-content p {
    margin-bottom: 0.4rem;
}
.tip-content p:last-child { margin-bottom: 0; }

.tip-wrap:hover > .tip-content,
.tip-wrap:focus-within > .tip-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* When tooltip would clip off the right edge of the controls panel,
   anchor it to the right instead. */
.tip-content--right {
    left: auto;
    right: 0;
}

/* Hero */
.lab-hero {
    padding: 8rem 0 2rem;
    text-align: center;
}

.lab-hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.lab-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1.5rem;
}

.lab-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 1.25rem;
    color: #ffffff;
}

.lab-subtitle {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    font-weight: 400;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    max-width: 720px;
    margin: 0 auto 2rem;
}

.use-cases {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 1000px;
    margin: 2.5rem auto 2.5rem;
    text-align: left;
}

.use-case {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    padding: 1rem 1.125rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.use-case-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #facc15;
}

.use-case-body {
    font-size: 0.85rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.82);
    font-weight: 400;
}

.use-case-body em {
    color: rgba(255, 255, 255, 0.95);
    font-style: italic;
}

.preset-chips {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.375rem 0.875rem 0.375rem 1rem;
    border-radius: 999px;
}

.preset-chips-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.05em;
    padding-right: 0.25rem;
}

.preset-chip {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.preset-chip:hover {
    color: #ffffff;
}

.preset-chip.active {
    background-color: rgba(255, 255, 255, 0.95);
    color: #1e3a8a;
}

/* Scenario callout */
.scenario-callout {
    padding: 0 0 1.5rem;
}

.scenario-callout.hidden { display: none; }

.scenario-callout-inner {
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.12), rgba(251, 191, 36, 0.06));
    border: 1px solid rgba(250, 204, 21, 0.35);
    border-radius: 1rem;
    padding: 1.5rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.scenario-callout-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.scenario-callout-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: #facc15;
}

.scenario-callout-dismiss {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0 0.5rem;
    font-family: inherit;
}

.scenario-callout-dismiss:hover {
    color: #ffffff;
}

.scenario-callout-title {
    font-size: 1.5rem;
    font-weight: 400;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.scenario-callout-body p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1rem;
    line-height: 1.65;
    margin-bottom: 0.75rem;
}

.scenario-callout-body p:last-child { margin-bottom: 0; }

/* Lab main */
.lab-main {
    padding: 1rem 0 4rem;
}

.lab-grid {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 2rem;
    align-items: start;
}

/* Controls */
.lab-controls {
    position: sticky;
    top: 100px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    overflow-x: hidden;
}

/* .tip-content.floating is a marker class JS adds to coordinate state.
   The actual top/left are set as inline styles. No CSS needed here. */

.control-section {
    margin-bottom: 1.75rem;
}

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

.control-section-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.control-row {
    margin-bottom: 1rem;
}

.control-row.inline { margin-bottom: 0.75rem; }
.control-row.derived { margin-bottom: 0; padding-top: 0.25rem; }

.control-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.825rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
    gap: 0.5rem;
}

.control-label-text {
    display: inline-flex;
    align-items: center;
    flex: 1;
}

.control-value {
    color: #facc15;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    font-size: 0.875rem;
}

.control-derived {
    display: block;
    font-size: 0.825rem;
    color: rgba(255, 255, 255, 0.65);
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 0.375rem;
}

.control-derived strong {
    color: #93c5fd;
    font-weight: 500;
}

.control-hint {
    display: block;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 0.375rem;
    line-height: 1.4;
}

/* Range input styling */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    background: transparent;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
    background: rgba(255, 255, 255, 0.15);
    height: 4px;
    border-radius: 2px;
}

input[type="range"]::-moz-range-track {
    background: rgba(255, 255, 255, 0.15);
    height: 4px;
    border-radius: 2px;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    margin-top: -7px;
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: #facc15;
    border: 2px solid rgba(30, 58, 138, 0.8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.15s ease;
}

input[type="range"]::-moz-range-thumb {
    height: 18px;
    width: 18px;
    border-radius: 50%;
    background: #facc15;
    border: 2px solid rgba(30, 58, 138, 0.8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}

input[type="range"]:hover::-webkit-slider-thumb {
    transform: scale(1.15);
}

/* Select */
.control-select {
    width: 100%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
    padding: 0.5rem 0.75rem;
    border-radius: 0.375rem;
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
}

.control-select:focus {
    outline: none;
    border-color: #facc15;
}

.control-select option {
    background: #1e3a8a;
    color: #ffffff;
}

/* Control buttons */
.control-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.control-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.9);
    padding: 0.625rem 0.75rem;
    border-radius: 0.375rem;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.control-btn.primary {
    background: #facc15;
    color: #1e3a8a;
    border-color: #facc15;
    grid-column: 1 / -1;
}

.control-btn.primary:hover {
    background: #fde047;
}

/* Output */
.lab-output {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* KPI ribbon */
.kpi-ribbon {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    overflow: hidden;
}

.kpi {
    background: rgba(30, 58, 138, 0.6);
    padding: 1rem 1rem;
    text-align: center;
}

.kpi-label {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    margin-bottom: 0.375rem;
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
}

.kpi-value {
    font-size: 1.5rem;
    font-weight: 400;
    color: #ffffff;
    font-variant-numeric: tabular-nums;
    transition: color 0.2s ease;
}

.kpi-value.flash {
    color: #facc15;
}

/* Histogram card */
.hist-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.75rem;
}

.hist-card-header {
    margin-bottom: 1rem;
}

.hist-card-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: #ffffff;
    margin-bottom: 0.375rem;
}

.hist-card-sub {
    font-size: 0.825rem;
    color: rgba(255, 255, 255, 0.6);
}

.histogram {
    width: 100%;
    height: 360px;
}

.histogram svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.hist-bar {
    transition: fill 0.2s ease;
}

.hist-bar.loss { fill: #ef4444; }
.hist-bar.mediocre { fill: #93c5fd; }
.hist-bar.winner { fill: #fbbf24; }
.hist-bar.outlier { fill: #facc15; filter: drop-shadow(0 0 6px rgba(250, 204, 21, 0.6)); }

.hist-axis text {
    fill: rgba(255, 255, 255, 0.65);
    font-family: 'Aeonik Regular', system-ui, sans-serif;
    font-size: 10px;
}

.hist-axis line, .hist-axis path {
    stroke: rgba(255, 255, 255, 0.15);
}

.quantile-line {
    stroke: rgba(255, 255, 255, 0.85);
    stroke-width: 1.5;
    stroke-dasharray: 3 3;
}

.quantile-label {
    fill: #ffffff;
    font-size: 10px;
    font-weight: 500;
    text-anchor: middle;
    font-family: 'Aeonik Regular', system-ui, sans-serif;
}

.quantile-label-bg {
    fill: rgba(30, 58, 138, 0.95);
    stroke: rgba(255, 255, 255, 0.5);
    stroke-width: 0.5;
    rx: 3;
}

.hist-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-top: 1rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
}

.legend-swatch {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 2px;
    margin-right: 0.375rem;
    vertical-align: middle;
}

.legend-swatch.loss { background: #ef4444; }
.legend-swatch.mediocre { background: #93c5fd; }
.legend-swatch.winner { background: #fbbf24; }
.legend-swatch.outlier { background: #facc15; box-shadow: 0 0 6px rgba(250, 204, 21, 0.6); }

/* Sources of return */
.sources-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.75rem;
}

.sources-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: #ffffff;
    margin-bottom: 0.375rem;
}

.sources-sub {
    font-size: 0.825rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1.25rem;
}

.sources-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.source-item {
    background: rgba(30, 58, 138, 0.5);
    border-radius: 0.5rem;
    padding: 1rem;
    text-align: center;
}

.source-item.highlight {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.source-num {
    font-size: 1.5rem;
    font-weight: 400;
    color: #facc15;
    font-variant-numeric: tabular-nums;
    margin-bottom: 0.25rem;
}

.source-item.highlight .source-num {
    color: #fca5a5;
}

.source-cap {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    margin-bottom: 0.125rem;
    display: inline-flex;
    align-items: center;
    gap: 0.15rem;
    justify-content: center;
    flex-wrap: wrap;
}

.source-hint {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.3;
}

/* Scenarios section */
.scenarios-section {
    padding: 4rem 0;
    background: rgba(0, 0, 0, 0.1);
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 2.5rem;
}

.scenario-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem;
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
    text-align: left;
    color: inherit;
    font-family: inherit;
    width: 100%;
}

.scenario-card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(250, 204, 21, 0.4);
}

.scenario-card-num {
    font-size: 0.7rem;
    font-weight: 600;
    color: rgba(250, 204, 21, 0.85);
    letter-spacing: 0.15em;
    margin-bottom: 0.75rem;
}

.scenario-card-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: #ffffff;
    margin-bottom: 0.625rem;
    line-height: 1.3;
}

.scenario-card-tagline {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.55;
}

.scenario-card-cta {
    display: inline-flex;
    align-items: center;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: #facc15;
    font-weight: 500;
}

.scenario-card-cta span { transition: transform 0.2s ease; margin-left: 0.25rem; }
.scenario-card:hover .scenario-card-cta span { transform: translateX(3px); }

/* Methodology */
.methodology-section {
    padding: 2rem 0 4rem;
}

.methodology {
    max-width: 56rem;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1rem;
    padding: 1.5rem 2rem;
}

.methodology-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1rem;
    font-weight: 500;
    color: #ffffff;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.methodology-summary::-webkit-details-marker { display: none; }

.methodology-chevron {
    color: #facc15;
    font-size: 1.25rem;
    transition: transform 0.2s ease;
}

.methodology[open] .methodology-chevron {
    transform: rotate(45deg);
}

.methodology-body {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.methodology-body h4 {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #facc15;
    margin: 1.5rem 0 0.5rem;
}

.methodology-body h4:first-child { margin-top: 0; }

.methodology-body p {
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.methodology-body ul {
    padding-left: 1.25rem;
    margin-bottom: 0.5rem;
}

.methodology-body li {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.methodology-body code {
    background: rgba(0, 0, 0, 0.3);
    padding: 0.1rem 0.4rem;
    border-radius: 0.25rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.85rem;
    color: #93c5fd;
}

.methodology-body strong { color: #ffffff; }

/* Responsive */
@media (max-width: 1024px) {
    .lab-grid {
        grid-template-columns: 1fr;
    }

    .lab-controls {
        position: relative;
        top: 0;
        max-height: none;
    }

    .kpi-ribbon { grid-template-columns: repeat(3, 1fr); }
    .sources-grid { grid-template-columns: repeat(2, 1fr); }
    .scenarios-grid { grid-template-columns: repeat(2, 1fr); }
    .use-cases { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .lab-hero { padding-top: 6rem; }
    .kpi-ribbon { grid-template-columns: repeat(2, 1fr); }
    .sources-grid { grid-template-columns: 1fr 1fr; }
    .scenarios-grid { grid-template-columns: 1fr; }
    .histogram { height: 280px; }
    .preset-chips { flex-wrap: wrap; }
}