:root {
  color-scheme: dark;
  font-family: ui-sans-serif, system-ui, sans-serif;
  color: #edf4ee;
  background: #0b100d;
  --canvas: #0b100d;
  --surface: #121a15;
  --surface-raised: #18221b;
  --surface-soft: #202c23;
  --line: #2d3c31;
  --line-strong: #425747;
  --text: #edf4ee;
  --muted: #9baa9e;
  --muted-soft: #748579;
  --accent: #8fc69a;
  --accent-strong: #b4e1ba;
  --accent-deep: #264b35;
  --warning: #e4b766;
  --danger: #f08e83;
  --shadow: #00000066;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100svh; padding: 24px; color: var(--text); background: radial-gradient(circle at 50% -20%, #1a2a1d 0, var(--canvas) 48%); }
main { width: min(100%, 540px); margin-inline: auto; }
.topline { display: flex; align-items: center; justify-content: flex-start; gap: 24px; min-height: 28px; margin-top: -12px; margin-bottom: 12px; }
.eyebrow { margin: 0 0 36px; color: var(--accent); font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.text-button { min-height: auto; padding: 4px 0; border: 0; background: transparent; color: var(--accent); font: inherit; font-size: .88rem; font-weight: 750; cursor: pointer; text-decoration: none; }
.topline .text-button:hover { border-color: transparent; background: transparent; color: var(--accent-strong); box-shadow: none; transform: none; }
.text-button:focus-visible, .modal-close:focus-visible { outline: 3px solid var(--warning); outline-offset: 3px; }
h1 { margin: 0; color: var(--text); font-size: clamp(3rem, 11vw, 5.5rem); line-height: .92; letter-spacing: -.07em; }
.lede { margin: 28px 0 40px; color: var(--muted); font-size: 1.05rem; line-height: 1.5; white-space: nowrap; }
form { display: grid; gap: 12px; }
#converter { max-width: 540px; }
.dropzone { min-height: 150px; display: grid; place-content: center; gap: 8px; border: 2px dashed var(--line-strong); border-radius: 18px; background: #101711cc; text-align: center; cursor: pointer; transition: border-color .15s, background .15s, transform .15s; }
.dropzone:hover, .dropzone:has(input:focus-visible), .dropzone.dragging { border-color: var(--accent); background: var(--surface-raised); transform: translateY(-1px); }
.dropzone span { color: var(--text); font-weight: 750; }
.dropzone small { color: var(--muted-soft); }
input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.runs-table-wrap { overflow-x: auto; }
.runs-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.runs-table th, .runs-table td { padding: 10px 8px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
.runs-table th { color: var(--muted-soft); font-size: .72rem; text-transform: uppercase; }
.runs-table td:first-child { max-width: 180px; overflow: hidden; text-overflow: ellipsis; }
button { min-height: 52px; border: 1px solid var(--accent-deep); border-radius: 12px; background: var(--accent-deep); color: #eef8ef; font: inherit; font-weight: 750; cursor: pointer; box-shadow: 0 8px 20px #00000022; transition: background .15s, border-color .15s, transform .15s; }
button:hover:not(:disabled) { border-color: var(--accent); background: #326345; transform: translateY(-1px); }
button:disabled { border-color: var(--line); background: var(--surface-soft); color: var(--muted-soft); cursor: not-allowed; box-shadow: none; }
button:focus-visible { outline: 3px solid var(--warning); outline-offset: 3px; }
.note { margin: 8px 0 0; color: var(--muted); font-size: .88rem; line-height: 1.45; }
.note strong { color: var(--accent-strong); }
.result { padding: 16px; border: 1px solid var(--line-strong); border-radius: 18px; background: var(--surface); box-shadow: 0 16px 40px var(--shadow); }
.result[data-state="loading"] { border-color: var(--line-strong); background: var(--surface-raised); }
.result[data-state="loading"] > p, .result[data-state="loading"] > dl { display: none; }
.result[data-state="success"] { border-color: #477653; background: #142319; }
.result[data-state="error"] { border-color: #79413c; background: #271715; }
.result h2 { display: flex; align-items: center; gap: 9px; margin: 0; color: var(--text); font-size: 1.05rem; }
.result-spinner { width: 16px; height: 16px; flex: 0 0 16px; border: 2px solid var(--line-strong); border-top-color: var(--accent); border-radius: 50%; animation: result-spin .8s linear infinite; }
.result-spinner[hidden] { display: none; }
@keyframes result-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .result-spinner { animation: none; } }
.result p { margin: 6px 0 0; color: var(--muted); line-height: 1.4; }
.result[data-state="error"] p { color: var(--danger); }
.queue-panel { display: grid; gap: 8px; margin-top: 16px; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-soft); }
.queue-panel div { display: flex; justify-content: space-between; gap: 16px; }
.queue-panel dt { color: var(--muted-soft); }
.queue-panel dd { margin: 0; color: var(--text); font-weight: 750; text-align: right; }
.retry { min-height: auto; margin-top: 12px; padding: 10px 14px; }
.retry[hidden] { display: none; }
.result dl { display: grid; gap: 8px; margin: 16px 0 0; }
.result dl div { display: flex; justify-content: space-between; gap: 16px; }
.result dt { color: var(--muted-soft); }
.result dd { max-width: 65%; margin: 0; overflow-wrap: anywhere; color: var(--text); text-align: right; }
.download { display: block; width: 100%; margin-top: 16px; padding: 14px 16px; border: 1px solid var(--accent-deep); border-radius: 12px; background: var(--accent-deep); color: #eef8ef; font-weight: 750; text-align: center; text-decoration: none; transition: background .15s, transform .15s; }
.download:hover { background: #326345; transform: translateY(-1px); }
.download[hidden] { display: none; }
.download:focus-visible { outline: 3px solid var(--warning); outline-offset: 3px; }
dialog { width: min(100% - 32px, 980px); height: min(92svh, 900px); max-height: none; overflow: hidden; padding: 0; border: 1px solid var(--line-strong); border-radius: 24px; background: var(--surface); color: var(--text); box-shadow: 0 24px 80px #000000aa; }
dialog::backdrop { background: #000000bb; }
.metrics-modal { display: grid; gap: 18px; height: 100%; max-height: none; overflow: auto; padding: 28px; }
.metrics-head { display: flex; align-items: start; justify-content: space-between; gap: 16px; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.metrics-head .eyebrow { margin: 0 0 6px; }
.metrics-head h2 { margin: 0; color: var(--text); font-size: clamp(1.6rem, 3vw, 2.2rem); letter-spacing: -.04em; }
.runs-title-row { display: flex; align-items: baseline; gap: 10px; }
.runs-limit { color: var(--muted-soft); font-size: .76rem; }
.modal-close { min-height: auto; padding: 6px 0; border: 0; background: transparent; color: var(--accent); font: inherit; font-weight: 750; cursor: pointer; box-shadow: none; }
#metrics-scope, #metrics-loading, #metrics-error { margin: 0; color: var(--muted); font-size: .88rem; }
#metrics-error { color: var(--danger); }
.metrics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--line); }
.metrics-grid div { display: grid; gap: 5px; min-height: 68px; padding: 12px; background: var(--surface-raised); }
.metrics-grid dt { color: var(--muted-soft); font-size: .75rem; }
.metrics-grid dd { margin: 0; overflow-wrap: anywhere; color: var(--text); font-size: .92rem; font-weight: 750; }
.metrics-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.metrics-toolbar label { color: var(--muted-soft); font-size: .82rem; }
.metrics-toolbar select { margin-inline-start: 4px; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--surface-raised); color: var(--text); font: inherit; font-size: .82rem; }
.metrics-charts { display: grid; grid-template-columns: 1fr; gap: 14px; margin: 0; }
.chart-card { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface-raised); }
.chart-card h3 { margin: 0 0 12px; color: var(--accent-strong); font-size: .9rem; }
.chart { position: relative; min-height: 260px; }
.chart svg { display: block; width: 100%; height: 260px; overflow: visible; }
.chart-tooltip { position: absolute; top: 8px; left: 50%; z-index: 1; display: grid; gap: 3px; min-width: 150px; padding: 9px 11px; border: 1px solid var(--line-strong); border-radius: 10px; background: #0d140f; box-shadow: 0 8px 24px #00000055; color: var(--accent-strong); font-size: .75rem; pointer-events: none; transform: translateX(-50%); }
.chart-tooltip strong { color: var(--text); font-size: .78rem; }
.chart-tooltip span { color: var(--muted); }
.chart-tooltip[hidden] { display: none; }
.chart-gridline { stroke: var(--line); stroke-width: 1; }
.chart-axis { fill: var(--muted-soft); font: 10px ui-sans-serif, system-ui, sans-serif; }
.chart-point { cursor: pointer; stroke: var(--surface-raised); stroke-width: 2; }
.chart-empty { margin: 60px 0 0; color: var(--muted-soft); font-size: .82rem; text-align: center; }
#status { min-height: 24px; margin: 4px 0 0; color: var(--muted); }
.public-queue { margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); }
.public-queue-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; }
.public-queue-head .eyebrow { margin: 0 0 5px; }
.public-queue h2 { margin: 0; color: var(--text); font-size: 1.2rem; letter-spacing: -.03em; }
.public-queue-count { color: var(--muted); font-size: .82rem; }
.public-queue-empty { margin: 14px 0 0; color: var(--muted-soft); font-size: .88rem; }
.public-queue-list { display: grid; gap: 8px; margin: 14px 0 0; padding: 0; list-style: none; }
.public-queue-job { display: grid; grid-template-columns: 20px 1fr auto; align-items: center; gap: 10px; min-height: 42px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface-raised); }
.public-queue-job.running { border-color: #477653; background: #142319; }
.queue-job-icon { position: relative; display: block; width: 12px; height: 12px; border: 2px solid var(--muted-soft); border-radius: 50%; }
.public-queue-job.running .queue-job-icon { border-color: var(--accent); border-top-color: transparent; animation: queue-spin .8s linear infinite; }
.public-queue-job.queued .queue-job-icon::after { position: absolute; top: 2px; left: 2px; width: 4px; height: 4px; border-radius: 50%; background: var(--muted-soft); content: ''; }
.queue-job-label { color: var(--text); font-size: .88rem; font-weight: 700; }
.queue-job-elapsed { color: var(--muted); font-size: .78rem; }
@keyframes queue-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .result-spinner, .public-queue-job.running .queue-job-icon { animation: none; } }
#error { color: var(--danger); }
.explainer-modal { display: grid; gap: 18px; max-height: min(92svh, 900px); overflow: auto; padding: 28px; }
.explainer-modal .metrics-head { margin: -28px -28px 0; padding: 28px 28px 12px; }
.explainer { padding: 0 0 4px; }
.explainer .eyebrow { margin-bottom: 8px; }
.explainer h3 { margin: 28px 0 8px; color: var(--accent-strong); font-size: 1rem; }
.explainer p, .explainer li { color: var(--muted); line-height: 1.6; }
.explainer p { margin: 0; }
.explainer strong { color: var(--accent-strong); }
.explainer ul { margin: 18px 0 0; padding-left: 20px; }
@media (max-width: 700px) {
  .metrics-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  body { padding: 20px; }
  .topline { gap: 16px; flex-wrap: wrap; }
  .lede { white-space: normal; }
  .metrics-modal, .explainer-modal { padding: 20px; }
  .explainer-modal .metrics-head { margin: -20px -20px 0; padding: 20px 20px 12px; }
  .metrics-toolbar { align-items: start; flex-direction: column; }
  .result dl div, .metrics-grid div { display: grid; gap: 2px; }
  .result dd, .metrics-grid dd { max-width: 100%; text-align: start; }
}