/* =====================================================================
   APE — Agentic Prompt Enhancer
   Adapted from the ChronoEdit website template.
===================================================================== */

:root {
    --header-height: 74px;
    --dark-background: #0d0d0d;
    --darker-background: #080808;
    --card-background: #151515;
    --text-color: #e0e0e0;
    --heading-color: #f0f0f0;
    --subtle-text-color: #a0a0a0;
    --border-color: #2a2a2a;
    --nvidia-green: #76B900;
    --accent-green: var(--nvidia-green);
    --accent-secondary: #4d90fe;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Google Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--dark-background);
    color: var(--text-color);
    margin: 0;
    font-size: 16px;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

main {
    padding-top: var(--header-height);
}

/* ---------------------------------------------------------------------
   Header
--------------------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(13, 13, 13, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height);
    display: flex;
    align-items: center;
    color: #fff;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    gap: 20px;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #fff;
    max-width: 60%;
}

.nvidia-logo {
    height: 50px;
    width: auto;
    display: block;
}

.lab-name {
    font-size: 1.2em;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #fff;
    white-space: nowrap;
}

.header-links ul {
    list-style: none;
    display: flex;
    gap: 24px;
    margin: 0;
    padding: 0;
}

.header-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95em;
    font-weight: 500;
    transition: color 0.2s;
}

.header-links a:hover { color: var(--accent-green); }

/* ---------------------------------------------------------------------
   Typography & sections
--------------------------------------------------------------------- */
h1, h2, h3, h4 {
    color: var(--heading-color);
    text-align: center;
    font-weight: 700;
    margin: 0 0 16px 0;
}

h1 {
    font-size: 3em;
    line-height: 1.15;
    margin-top: 30px;
    margin-bottom: 24px;
}

h2 {
    font-size: 2.2em;
    line-height: 1.2;
    margin-top: 50px;
}

h3 {
    font-size: 1.5em;
    line-height: 1.3;
    margin-top: 40px;
}

h4 {
    font-size: 1.2em;
    line-height: 1.3;
    margin-top: 32px;
}

.accent-text { color: var(--accent-green); }

p, .caption-left, .caption-center {
    font-size: 1.05em;
    line-height: 1.7;
    max-width: 900px;
    margin: 14px auto;
    color: var(--text-color);
    text-align: left;
}

#abstract p { text-align: justify; }
.text-center { text-align: center; }
.caption-center { text-align: center; color: var(--subtle-text-color); font-size: 0.95em; }

hr {
    border: 0;
    border-top: 1px solid var(--border-color);
    margin: 24px auto 32px auto;
    width: 80%;
}

section { padding: 24px 0; }

/* ---------------------------------------------------------------------
   Hero
--------------------------------------------------------------------- */
.hero { padding: 30px 0 10px 0; }

#authors { margin: 20px 0 4px 0; }
.author-row {
    display: flex;
    justify-content: center;
    gap: 26px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}
.author {
    text-align: center;
    color: var(--text-color);
    font-weight: 500;
    font-size: 1.05em;
}
.author sup {
    color: var(--accent-green);
    font-weight: 600;
    margin-left: 1px;
}
.author a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}
.author a:hover {
    color: var(--accent-green);
}
.affil-row {
    text-align: center;
    margin-top: 14px;
    color: var(--subtle-text-color);
    font-size: 1em;
}

.action-buttons {
    text-align: center;
    margin: 28px 0 18px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

.action-btn {
    background: var(--accent-green);
    color: #000;
    padding: 10px 20px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.action-btn:hover {
    background: #fff;
    color: #000;
    box-shadow: 0 0 18px rgba(118, 185, 0, 0.55);
    transform: translateY(-1px);
}
.btn-icon { height: 1em; vertical-align: middle; }
.btn-icon-text {
    font-family: 'Courier New', monospace;
    font-weight: 700;
    font-size: 1.05em;
}

.tldr {
    max-width: 950px;
    margin: 24px auto 0 auto;
    padding: 20px 24px;
    background: rgba(118, 185, 0, 0.06);
    border-left: 3px solid var(--accent-green);
    border-radius: 6px;
    color: var(--text-color);
    font-size: 1.05em;
    line-height: 1.7;
    text-align: left;
}

/* ---------------------------------------------------------------------
   Method
--------------------------------------------------------------------- */
.method-overview {
    max-width: 820px;
    margin: 0 auto 18px auto;
    font-size: 0.94em;
    line-height: 1.55;
    color: var(--subtle-text-color);
    text-align: center;
}

.method-figure {
    display: flex;
    justify-content: center;
    margin: 28px auto;
}
.method-figure img {
    max-width: 100%;
    width: 92%;
    border-radius: 12px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
    background: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 36px auto 8px auto;
    max-width: 1100px;
}

.feature-card {
    background: var(--card-background);
    padding: 22px 24px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.feature-card:hover {
    border-color: var(--accent-green);
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45), 0 0 14px rgba(118, 185, 0, 0.18);
    transform: translateY(-2px);
}

.feature-title {
    color: var(--accent-green);
    text-align: left;
    font-size: 1.2em;
    margin: 0 0 10px 0;
}
.feature-body {
    margin: 0;
    text-align: left;
    color: var(--subtle-text-color);
    font-size: 0.98em;
    line-height: 1.6;
}

/* ---------------------------------------------------------------------
   Gallery (side-by-side input | output pair)
--------------------------------------------------------------------- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    width: 100%;
    margin: 24px auto 0 auto;
}

.gallery-grid.two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-width: 1100px;
}

.gallery-grid.three-col {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    max-width: 1200px;
}

.pair-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    padding: 16px;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.pair-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 26px rgba(0, 0, 0, 0.5);
    border-color: rgba(118, 185, 0, 0.35);
}

.pair-instruction {
    color: var(--text-color);
    margin: 0 auto 14px auto;
    max-width: 100%;
    font-size: 0.95em;
    font-weight: 500;
    text-align: center;
    line-height: 1.5;
}

/* Caption highlights — different colors for distinct keywords in the same
   sentence. Used in pair and triple card instructions. */
.hl {
    font-weight: 600;
    padding: 0 3px;
    border-radius: 3px;
    text-shadow: 0 0 8px rgba(0, 0, 0, 0.35);
}
.hl-1 { color: #FFD54F; background: rgba(255, 213, 79, 0.12); }
.hl-2 { color: #4FC3F7; background: rgba(79, 195, 247, 0.14); }
.hl-3 { color: #FF8A80; background: rgba(255, 138, 128, 0.12); }
.hl-4 { color: #B388FF; background: rgba(179, 136, 255, 0.14); }

.pair-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.pair-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pair-item img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    background: #000;
    border-radius: 8px;
    display: block;
}

.pair-label {
    margin-top: 8px;
    font-size: 0.85em;
    color: var(--subtle-text-color);
    text-align: center;
    font-weight: 500;
}

.pair-item.is-ours .pair-label {
    color: var(--accent-green);
    font-weight: 700;
}

/* ---------------------------------------------------------------------
   Editing triples (thumbnail picker + large triple display)
--------------------------------------------------------------------- */
.edit-triples {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
    margin: 24px auto 0 auto;
}

.edit-thumbs {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    overflow-x: auto;
    padding: 4px 4px 14px 4px;
    border-bottom: 1px solid var(--border-color);
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
    justify-content: safe center;
}

.edit-thumbs::-webkit-scrollbar { height: 8px; }
.edit-thumbs::-webkit-scrollbar-track { background: transparent; }
.edit-thumbs::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.edit-thumb {
    flex: 0 0 auto;
    width: 84px;
    height: 84px;
    padding: 0;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 10px;
    cursor: pointer;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.edit-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 7px;
    background: #000;
}

.edit-thumb:hover {
    border-color: rgba(118, 185, 0, 0.45);
    transform: translateY(-1px);
}

.edit-thumb:focus-visible {
    outline: 2px solid var(--accent-green);
    outline-offset: 2px;
}

.edit-thumb.active {
    border-color: var(--accent-green);
    box-shadow: 0 0 14px rgba(118, 185, 0, 0.45);
}

.edit-main {
    margin-top: 4px;
}

.triple-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    padding: 16px;
}

.triple-card p.triple-instruction {
    color: var(--text-color);
    margin: 0 auto 14px auto;
    max-width: 100%;
    font-size: 1em;
    font-weight: 500;
    text-align: center;
    line-height: 1.5;
}
.triple-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.triple-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.triple-item img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    background: #000;
    border-radius: 8px;
    display: block;
}

.triple-label {
    margin-top: 8px;
    font-size: 0.85em;
    color: var(--subtle-text-color);
    text-align: center;
    font-weight: 500;
}

.triple-item.is-ours .triple-label {
    color: var(--accent-green);
    font-weight: 700;
}

/* ---------------------------------------------------------------------
   Results tables
--------------------------------------------------------------------- */
.table-wrapper {
    max-width: 1000px;
    margin: 18px auto 30px auto;
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--card-background);
}

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95em;
    color: var(--text-color);
}

.results-table th,
.results-table td {
    padding: 10px 14px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.results-table thead th {
    background: rgba(118, 185, 0, 0.08);
    color: var(--heading-color);
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
}

.results-table tbody tr:last-child td { border-bottom: none; }

.results-table .row-ours td {
    background: rgba(118, 185, 0, 0.06);
    color: var(--heading-color);
}

.results-table .row-ours td:first-child {
    color: var(--accent-green);
}

.results-table td:not(:first-child) b {
    font-weight: normal;
}

/* ---------------------------------------------------------------------
   BibTeX
--------------------------------------------------------------------- */
.bibtex-card {
    position: relative;
    max-width: 900px;
    margin: 0 auto 30px auto;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-green);
    border-radius: 8px;
    padding: 18px 22px;
    overflow-x: auto;
}

.bibtex-card pre {
    margin: 0;
    color: var(--text-color);
    font-family: 'SF Mono', Menlo, Monaco, 'Courier New', monospace;
    font-size: 0.92em;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    padding-right: 64px;
}

.bibtex-copy {
    position: absolute;
    right: 10px;
    bottom: 10px;
    background: transparent;
    color: var(--subtle-text-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 4px 10px;
    font-family: inherit;
    font-size: 0.82em;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.bibtex-copy:hover {
    color: var(--accent-green);
    border-color: var(--accent-green);
    background: rgba(118, 185, 0, 0.08);
}
.bibtex-copy.is-copied {
    color: var(--accent-green);
    border-color: var(--accent-green);
}

/* ---------------------------------------------------------------------
   Footer
--------------------------------------------------------------------- */
footer {
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
    text-align: center;
    color: var(--subtle-text-color);
    font-size: 0.9em;
}

footer a { color: var(--accent-green); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ---------------------------------------------------------------------
   Responsive
--------------------------------------------------------------------- */
@media (max-width: 900px) {
    h1 { font-size: 2.2em; }
    h2 { font-size: 1.8em; }
    h3 { font-size: 1.3em; }

    .header-links ul { gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
    .header-links a { font-size: 0.85em; }
    .nvidia-logo { height: 38px; }
    .lab-name { font-size: 1em; }

    .gallery-grid,
    .gallery-grid.two-col,
    .gallery-grid.three-col { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .lab-name { display: none; }
    .author-row { gap: 14px; }
    .author { font-size: 0.95em; }
}

@media (max-width: 540px) {
    h1 { font-size: 1.8em; }
    .tldr { padding: 16px; font-size: 1em; }
    .submission-badge { font-size: 1.1em; }
}

/* ---------------------------------------------------------------------
   Interactive method diagram
--------------------------------------------------------------------- */
.method-diagram {
    --md-dim:        #444;
    --md-base:       #6b6b6b;
    --md-text:       #d0d0d0;
    --md-text-sub:   #8a8a8a;
    --md-accent:     var(--accent-green);
    --md-accent-soft: rgba(118, 185, 0, 0.18);
    --md-accent-mid:  rgba(118, 185, 0, 0.45);
    --md-card:       #1a1a1a;
    --md-card-active: #1f2a14;

    max-width: 980px;
    margin: 28px auto 12px auto;
    padding: 16px 16px 18px 16px;
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
}

.md-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    padding-top: 8px;
}

.md-btn {
    background: var(--accent-green);
    color: #000;
    border: none;
    padding: 8px 16px;
    border-radius: 999px;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.95em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
}
.md-btn:hover {
    background: #fff;
    box-shadow: 0 0 16px rgba(118, 185, 0, 0.5);
}
.md-btn:active { transform: translateY(1px); }
.md-btn-secondary {
    background: transparent;
    color: var(--md-text);
    border: 1px solid var(--border-color);
}
.md-btn-secondary:hover {
    background: var(--card-background);
    color: var(--accent-green);
    border-color: var(--accent-green);
    box-shadow: none;
}

.md-steps {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 6px;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: flex-end;
}
.md-step {
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 0.74em;
    color: var(--md-text-sub);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid transparent;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s, background 0.2s, border-color 0.2s;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
}
.md-step:hover {
    color: var(--md-text);
    border-color: var(--border-color);
}
.md-step.is-active {
    color: #000;
    background: var(--accent-green);
    font-weight: 600;
}
.md-step.is-passed {
    color: var(--accent-green);
    background: var(--md-accent-soft);
}

/* APE group around steps 2-5: outer border height = solo chip height */
.md-steps-group {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 7px;
    border: 1px solid var(--border-color);
    border-radius: 999px;
    background: rgba(118, 185, 0, 0.04);
}
.md-steps-group-label {
    position: absolute;
    top: -10px;
    left: 14px;
    padding: 0 6px;
    background: var(--card-background);
    color: var(--accent-green);
    font-size: 0.72em;
    font-weight: 700;
    letter-spacing: 0.05em;
    line-height: 1;
}
.md-steps-group-items {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
}

.md-canvas {
    position: relative;
    width: 100%;
    background: var(--darker-background);
    border-radius: 10px;
    overflow: hidden;
}
.md-svg {
    display: block;
    width: 100%;
    height: auto;
    font-family: 'Google Sans', system-ui, -apple-system, sans-serif;
}

.md-svg .md-node rect,
.md-svg .md-node circle {
    fill: var(--md-card);
    stroke: var(--md-base);
    stroke-width: 1.5;
    transition: fill 0.25s, stroke 0.25s, filter 0.25s;
}
.md-svg .md-node text {
    fill: var(--md-text-sub);
    text-anchor: middle;
    dominant-baseline: middle;
    font-size: 13px;
    transition: fill 0.25s;
    pointer-events: none;
}
.md-svg .md-node .md-node-title { font-weight: 600; font-size: 13px; }
.md-svg .md-node .md-node-tag   { font-size: 10.5px; font-style: italic; }
.md-svg .md-node .md-node-sub   { font-size: 11px; }

.md-svg .md-node.is-active rect,
.md-svg .md-node.is-active circle {
    fill: var(--md-card-active);
    stroke: var(--md-accent);
    stroke-width: 2;
    filter: drop-shadow(0 0 8px rgba(118, 185, 0, 0.55));
}
.md-svg .md-node.is-active text { fill: #f0f0f0; }
.md-svg .md-node.is-active .md-node-title { fill: var(--md-accent); }

.md-svg .md-node.is-passed rect,
.md-svg .md-node.is-passed circle {
    stroke: var(--md-accent-mid);
    fill: #15170f;
}
.md-svg .md-node.is-passed text { fill: var(--md-text); }
.md-svg .md-node.is-passed .md-node-title { fill: var(--md-accent); }

.md-svg .md-node.is-skipped rect {
    stroke: var(--md-dim);
    stroke-dasharray: 4 3;
    fill: #131313;
}
.md-svg .md-node.is-skipped text { fill: var(--md-base); }

.md-svg .md-node[data-md-hover="true"] { cursor: pointer; }
.md-svg .md-node[data-md-hover="true"]:hover rect,
.md-svg .md-node[data-md-hover="true"]:hover circle {
    stroke: var(--md-accent);
    filter: drop-shadow(0 0 6px rgba(118, 185, 0, 0.4));
}

.md-svg .md-frame rect {
    fill: rgba(118, 185, 0, 0.02);
    stroke: var(--border-color);
    stroke-width: 1.5;
    transition: stroke 0.25s, filter 0.25s;
}
.md-svg .md-frame .md-frame-title {
    text-anchor: middle;
    fill: var(--md-text);
    font-weight: 600;
    font-size: 14px;
    pointer-events: none;
}
.md-svg .md-frame.is-active rect {
    stroke: var(--md-accent);
    filter: drop-shadow(0 0 10px rgba(118, 185, 0, 0.35));
}
.md-svg .md-frame.is-pulsing rect {
    animation: mdPulse 1.2s ease-in-out infinite;
}
@keyframes mdPulse {
    0%, 100% { stroke: var(--md-accent); filter: drop-shadow(0 0 6px rgba(118, 185, 0, 0.35)); }
    50%      { stroke: #b6ee4a; filter: drop-shadow(0 0 14px rgba(118, 185, 0, 0.75)); }
}

.md-svg .md-edge {
    fill: none;
    stroke: var(--md-base);
    stroke-width: 1.5;
    color: var(--md-base);
    transition: stroke 0.25s, stroke-width 0.25s, color 0.25s, opacity 0.25s;
}
.md-svg .md-edge.is-active {
    stroke: var(--md-accent);
    stroke-width: 2;
    color: var(--md-accent);
    stroke-dasharray: 6 4;
    animation: mdFlow 0.9s linear infinite;
}
.md-svg .md-edge.is-passed {
    stroke: var(--md-accent-mid);
    color: var(--md-accent-mid);
}
.md-svg .md-edge.is-skipped {
    stroke: var(--md-dim);
    stroke-dasharray: 4 3;
    opacity: 0.55;
}
@keyframes mdFlow {
    0%   { stroke-dashoffset: 20; }
    100% { stroke-dashoffset: 0; }
}
.md-svg .md-edge-rl.is-active {
    animation: mdFlow 1.2s linear infinite;
    stroke-width: 2.5;
}

.md-svg .md-ellipsis {
    fill: var(--md-base);
    text-anchor: middle;
    dominant-baseline: middle;
    font-size: 18px;
    letter-spacing: 1px;
    pointer-events: none;
}
.md-svg .md-fire,
.md-svg .md-snowflake {
    text-anchor: middle;
    dominant-baseline: middle;
    font-size: 18px;
    pointer-events: none;
}
.md-svg .md-agent-icon { font-size: 20px; text-anchor: middle; dominant-baseline: middle; pointer-events: none; }
.md-svg .md-agent-icon-small { font-size: 12px; text-anchor: middle; dominant-baseline: middle; pointer-events: none; }

.md-svg .md-rl-label {
    fill: var(--md-text-sub);
    font-size: 12px;
    font-style: italic;
    text-anchor: middle;
    pointer-events: none;
}
.md-svg .md-rl-label.is-active { fill: var(--md-accent); font-weight: 600; }

.md-svg .md-genimage-frame rect {
    fill: #0a0a0a;
    stroke: var(--md-base);
}
.md-svg .md-genimage-frame.is-active rect {
    stroke: var(--md-accent);
    filter: drop-shadow(0 0 8px rgba(118, 185, 0, 0.55));
}
.md-svg .md-genimage-img { transition: opacity 0.5s ease; }

.md-svg .md-reward rect {
    fill: var(--md-card);
    stroke: var(--md-base);
    stroke-width: 1.2;
    transition: fill 0.25s, stroke 0.25s, filter 0.25s;
}
.md-svg .md-reward .md-reward-name {
    fill: var(--md-text-sub);
    font-size: 12px;
    text-anchor: middle;
    dominant-baseline: middle;
    font-weight: 500;
    pointer-events: none;
}
.md-svg .md-reward .md-reward-score {
    fill: var(--md-accent);
    font-size: 12px;
    font-weight: 700;
    text-anchor: end;
    dominant-baseline: middle;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}
.md-svg .md-reward.is-active rect {
    fill: var(--md-card-active);
    stroke: var(--md-accent);
    filter: drop-shadow(0 0 6px rgba(118, 185, 0, 0.45));
}
.md-svg .md-reward.is-active .md-reward-name { fill: #f0f0f0; }
.md-svg .md-reward.is-active .md-reward-score { opacity: 1; }
.md-svg .md-reward.is-passed rect { stroke: var(--md-accent-mid); }
.md-svg .md-reward.is-passed .md-reward-score { opacity: 1; }

.md-explainer {
    margin-top: 14px;
    padding: 14px 18px;
    background: rgba(118, 185, 0, 0.04);
    border-left: 3px solid var(--accent-green);
    border-radius: 6px;
    min-height: 76px;
}
.md-stage-title {
    margin: 0;
    font-size: 1em;
    font-weight: 600;
    color: var(--heading-color);
}
.md-stage-detail {
    margin-top: 6px;
    font-size: 0.95em;
    line-height: 1.55;
    color: var(--text-color);
}
.md-stage-detail .md-quote {
    color: var(--md-text-sub);
    font-style: italic;
}
.md-stage-detail .md-field-rewrite {
    display: block;
    margin: 4px 0 0 12px;
    font-size: 0.92em;
}
.md-stage-detail .md-field-rewrite strong { color: var(--accent-green); }

@media (max-width: 900px) {
    .md-steps { font-size: 0.85em; justify-content: flex-start; }
    .method-diagram { padding: 14px; }
}
@media (max-width: 640px) {
    .md-toolbar { gap: 8px; }
    .md-step { padding: 3px 8px; font-size: 0.75em; }
    .md-btn { padding: 7px 12px; font-size: 0.9em; }
}