@font-face {
  font-family: Inter;
  src: url("/assets/fonts/inter-latin.woff2") format("woff2");
  font-display: swap;
  font-weight: 100 900;
}
* {
  box-sizing: border-box;
}
/* Each submission type wears the colour of its card on the main site; theme.js sets data-kind. */
:root,
[data-theme="dark"] {
  --rose: oklch(74% 0.14 15);
  --rose-soft: oklch(74% 0.14 15 / 14%);
}
[data-theme="light"] {
  --rose: oklch(56% 0.16 15);
  --rose-soft: oklch(56% 0.16 15 / 12%);
}
:root {
  --accent: var(--track-1);
  --accent-soft: var(--track-1-soft);
  --gutter: 40px;
}
[data-kind="benchmark"] {
  --accent: var(--track-2);
  --accent-soft: var(--track-2-soft);
}
[data-kind="failure-case"] {
  --accent: var(--rose);
  --accent-soft: var(--rose-soft);
}
body {
  margin: 0;
  background: var(--bg-canvas);
  color: var(--text-primary);
  font: 400 15px/1.65 var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input,
select {
  outline-offset: 4px;
}
button {
  cursor: pointer;
}
button:disabled {
  opacity: 0.45;
  cursor: wait;
}
a {
  color: inherit;
}
h1,
h2,
p {
  margin: 0;
}
h1,
h2 {
  text-wrap: balance;
}
button[hidden],
[hidden] {
  display: none !important;
}
.skip {
  position: absolute;
  left: 24px;
  top: -100px;
  z-index: 30;
  background: var(--surface-1);
  padding: 12px;
}
.skip:focus {
  top: 10px;
}
.topbar {
  height: 86px;
  display: flex;
  align-items: center;
  gap: 36px;
  max-width: 1280px;
  margin: auto;
  padding: 0 40px;
  border-bottom: 1px solid var(--border-hairline);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 21px;
  font-weight: 750;
  text-decoration: none;
  letter-spacing: -0.7px;
  white-space: nowrap;
}
.node-one {
  fill: var(--track-1);
}
.node-two {
  fill: var(--track-2);
}
.back-link {
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
}
.back-link:hover {
  color: var(--text-primary);
}
.controls {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
}
.small-button {
  border: 1px solid var(--border-hairline);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 8px;
  padding: 7px 11px;
  font-size: 12px;
  white-space: nowrap;
}
.small-button:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}
.wrap {
  max-width: 1280px;
  padding: 0 var(--gutter);
}
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 56px;
  align-items: end;
  padding: 68px 0 40px;
  isolation: isolate;
}
.hero-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--border-hairline);
}
.hero-facts li {
  display: flex;
  gap: 14px;
  padding: 12px 0 12px 22px;
}
.fact-icon {
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.hero-facts strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
}
.hero-facts div > span {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}
/* The glow fills the page column, gutters included, so it never widens a phone screen. */
.hero:before {
  content: "";
  position: absolute;
  inset: 0 calc(-1 * var(--gutter));
  z-index: -1;
  background: radial-gradient(
    ellipse at 86% 30%,
    var(--accent-soft),
    transparent 58%
  );
  pointer-events: none;
}
/* Past 1280px the column stops short of the window, so fade the glow out instead of cutting it. */
@media (min-width: 1281px) {
  .hero:before {
    mask-image: linear-gradient(90deg, #000 calc(100% - 160px), transparent);
  }
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-size: 11px;
}
.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 15px var(--accent);
}
h1 {
  font-size: clamp(40px, 4.5vw, 62px);
  font-weight: 600;
  letter-spacing: -2.6px;
  line-height: 1.16;
  margin: 20px 0 18px;
}
.accent {
  color: var(--accent);
}
.lede {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 730px;
  line-height: 1.8;
}
.hero-note {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 22px;
}
.hero-note > span:first-child {
  color: var(--accent);
}
.track-nav {
  display: flex;
  gap: 8px;
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
  padding: 13px 0;
  margin-bottom: 36px;
}
.track-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 17px;
  border: 1px solid transparent;
  border-radius: 9px;
  color: var(--text-secondary);
  font-size: 14px;
  text-decoration: none;
}
.track-nav [data-kind="harness"] {
  --tc: var(--track-1);
}
.track-nav [data-kind="benchmark"] {
  --tc: var(--track-2);
}
.track-nav [data-kind="failure_case"] {
  --tc: var(--rose);
}
.kind-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--tc);
  opacity: 0.6;
}
.track-nav a:hover {
  color: var(--text-primary);
}
.track-nav a.active {
  color: var(--text-primary);
  background: color-mix(in oklab, var(--tc) 9%, var(--surface-2));
  border-color: color-mix(in oklab, var(--tc) 35%, var(--border-hairline));
}
.track-nav a.active .kind-dot {
  opacity: 1;
  box-shadow: 0 0 10px var(--tc);
}
.track-nav .mine-link {
  margin-left: auto;
}
.count {
  min-width: 21px;
  padding: 1px 6px;
  font-size: 10px;
  background: var(--surface-3);
  border-radius: 5px;
}
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 36px;
  align-items: start;
}
.workspace {
  min-width: 0;
}
.steps {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 11px;
  color: var(--text-tertiary);
  margin: 5px 0 25px;
}
.steps i {
  height: 1px;
  background: var(--border-hairline);
  flex: 1;
}
.steps .current {
  color: var(--accent);
}
.panel {
  background: var(--card-bg);
  border: 1px solid var(--border-hairline);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--inner-highlight);
}
.section-heading {
  display: flex;
  gap: 13px;
  margin-bottom: 24px;
}
.section-number {
  font-size: 11px;
  color: var(--text-tertiary);
  padding-top: 4px;
}
.section-heading h2 {
  font-size: 19px;
  font-weight: 550;
  letter-spacing: -0.4px;
}
.section-heading p {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 4px;
}
label {
  display: block;
  font-size: 12px;
  font-weight: 550;
  margin-bottom: 7px;
}
input:not([type="checkbox"]),
select {
  display: block;
  width: 100%;
  background: var(--surface-1);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 11px 13px;
  font-size: 14px;
  min-height: 44px;
}
input::placeholder {
  color: var(--text-tertiary);
}
input:focus,
select:focus {
  outline: 1px solid var(--track-1);
  border-color: var(--track-1);
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 18px;
}
.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 30px 18px;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
  background: var(--surface-1);
  text-align: center;
}
.dropzone > svg {
  color: var(--track-1);
  margin-bottom: 3px;
}
.dropzone strong {
  font-size: 14px;
  font-weight: 500;
}
.dropzone > span {
  color: var(--text-tertiary);
  font-size: 12px;
}
.dropzone small {
  color: var(--text-secondary);
  font-size: 13px;
}
.dropzone .btn {
  height: 40px;
  font-size: 13px;
  margin: 7px 0;
}
.dropzone small {
  max-width: 360px;
  line-height: 1.7;
}
.sample-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-secondary);
}
.text-button {
  background: none;
  border: 0;
  padding: 3px 0;
  color: var(--track-1);
  font-size: 13px;
  text-align: left;
}
.text-button:hover {
  text-decoration: underline;
}
.file-summary {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-hairline);
  padding-top: 18px;
}
.file-summary strong {
  font-size: 13px;
  font-weight: 500;
  margin-right: 14px;
}
.file-summary .mono {
  font-size: 11px;
  color: var(--text-tertiary);
}
.file-list {
  max-height: 235px;
  overflow: auto;
  margin-top: 10px;
}
.file-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font: 11px/1.8 var(--font-mono);
  color: var(--text-secondary);
  padding: 5px 0;
  border-bottom: 1px solid var(--border-hairline);
}
.file-row span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-row span:last-child {
  color: var(--text-tertiary);
  white-space: nowrap;
}
.hint {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.file-panel > .hint {
  margin-top: 16px;
}
.account-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
  padding: 16px 18px;
  border: 1px solid var(--border-hairline);
  border-left: 3px solid var(--track-2);
  border-radius: 10px;
  background: var(--surface-1);
}
.account-callout p {
  font-size: 13px;
  color: var(--text-secondary);
  max-width: 460px;
}
.account-callout .btn {
  flex: none;
  height: 40px;
  font-size: 13px;
}
.consent {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 400;
}
.consent input {
  margin-top: 5px;
  accent-color: var(--track-1);
}
.submit-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
  margin-top: 23px;
}
.submit-actions .hint {
  max-width: 340px;
  font-size: 12px;
}
.submit-actions .btn {
  white-space: nowrap;
  font-size: 13px;
}
.guide {
  position: sticky;
  top: 28px;
}
.guide-card {
  background: var(--surface-1);
  border: 1px solid
    color-mix(in oklab, var(--accent) 22%, var(--border-hairline));
  border-radius: 16px;
  padding: 25px;
  overflow: hidden;
}
/* The same scene as this type's card on the main site, rendered once to a still. */
.guide-scene {
  aspect-ratio: 16 / 7;
  margin: -25px -25px 22px;
  border-bottom: 1px solid
    color-mix(in oklab, var(--accent) 22%, var(--border-hairline));
  background: radial-gradient(
      60% 80% at 50% 60%,
      var(--accent-soft),
      transparent 70%
    )
    no-repeat;
}
.guide-scene:after {
  content: "";
  display: block;
  height: 100%;
  background: center / contain no-repeat;
}
[data-kind="harness"] .guide-scene:after {
  background-image: url("scenes/harness.webp");
}
[data-kind="benchmark"] .guide-scene:after {
  background-image: url("scenes/benchmark.webp");
}
[data-kind="failure-case"] .guide-scene:after {
  background-image: url("scenes/failure-case.webp");
}
.guide-label {
  font-size: 10px;
  color: var(--accent);
  margin-bottom: 18px;
}
.guide h2 {
  font-size: 21px;
  letter-spacing: -0.5px;
  font-weight: 550;
}
.guide-card > p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: 10px;
}
.guide ul {
  list-style: none;
  padding: 0;
  margin: 22px 0;
}
.guide li {
  position: relative;
  padding: 0 0 15px 21px;
  font-size: 13px;
  color: var(--text-secondary);
}
.guide li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 11px;
}
.folder-tree {
  border: 1px solid var(--border-hairline);
  border-radius: 9px;
  overflow: hidden;
  background: var(--bg-canvas);
  margin-bottom: 20px;
}
.tree-head {
  font-size: 10px;
  color: var(--text-tertiary);
  padding: 9px 13px;
  border-bottom: 1px solid var(--border-hairline);
}
pre {
  font: 11px/1.9 var(--font-mono);
  margin: 0;
  padding: 14px;
  color: var(--text-secondary);
  overflow: auto;
}
.text-link {
  font-size: 13px;
  color: var(--track-1);
  text-decoration: none;
}
.guide-foot {
  padding: 23px 18px;
}
.guide-foot > .mono {
  font-size: 10px;
  color: var(--text-tertiary);
}
.guide-foot p {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 10px;
  line-height: 1.9;
}
.notice {
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--track-2);
  border-radius: 8px;
  padding: 14px 18px;
  color: var(--text-primary);
  font-size: 13px;
  background: var(--surface-2);
  margin-bottom: 25px;
  white-space: pre-line;
  overflow-wrap: anywhere;
}
.notice.error {
  border-left-color: #e98383;
}
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 20px;
}
progress {
  display: block;
  width: 100%;
  height: 5px;
  border: 0;
  border-radius: 5px;
  overflow: hidden;
  margin-top: 10px;
  accent-color: var(--track-1);
}
progress::-webkit-progress-bar {
  background: var(--surface-3);
}
progress::-webkit-progress-value {
  background: var(--track-1);
}
.receipt-panel {
  text-align: center;
  margin-top: 20px;
  border-color: var(--track-1);
}
.receipt-symbol {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 18px;
  border-radius: 50%;
  color: var(--track-1);
  background: var(--track-1-soft);
  font-size: 23px;
}
.receipt-panel > .mono {
  font-size: 10px;
  color: var(--track-1);
}
.receipt-panel h2 {
  font-size: 28px;
  margin: 10px 0;
}
.receipt-panel p {
  font-size: 12px;
  color: var(--text-secondary);
}
.receipt-panel code {
  display: block;
  font: 11px var(--font-mono);
  margin: 22px 0;
  overflow-wrap: anywhere;
}
.receipt-actions {
  display: flex;
  justify-content: center;
  gap: 10px;
}
.receipt-actions .btn {
  font-size: 12px;
  height: 40px;
}
footer {
  display: flex;
  align-items: center;
  gap: 30px;
  padding: 35px 0;
  margin-top: 70px;
  border-top: 1px solid var(--border-hairline);
  color: var(--text-tertiary);
}
footer .wordmark {
  font-size: 16px;
  color: var(--text-secondary);
}
footer p {
  font-size: 12px;
}
footer > .mono {
  margin-left: auto;
  font-size: 10px;
}
.mine-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 45px 0 25px;
}
.mine-heading h2 {
  font-size: 24px;
}
.mine-heading .btn {
  font-size: 12px;
  height: 40px;
}
.submission-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 15px;
  background: var(--card-bg);
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 14px;
}
.submission-card h3 {
  font-size: 17px;
  margin: 8px 0;
  font-weight: 550;
}
.submission-card code {
  font: 10px var(--font-mono);
  color: var(--text-tertiary);
}
.submission-meta {
  font-size: 12px;
  color: var(--text-tertiary);
}
.status-pill {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 10px;
  background: var(--track-1-soft);
  color: var(--track-1);
}
.status-pill.failed {
  background: var(--track-2-soft);
  color: var(--track-2);
}
.card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.validation-errors {
  font-size: 12px;
  color: var(--track-2);
  margin: 12px 0 0;
  padding-left: 18px;
}
.empty {
  padding: 55px 25px;
  text-align: center;
  border: 1px dashed var(--border-strong);
  border-radius: 16px;
  color: var(--text-secondary);
}
dialog {
  position: fixed;
  width: min(460px, 90vw);
  padding: 38px;
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  background: var(--surface-1);
  color: var(--text-primary);
  box-shadow: 0 30px 120px #0008;
}
dialog::backdrop {
  background: #0009;
  backdrop-filter: blur(8px);
}
dialog h2 {
  font-size: 30px;
  margin: 18px 0 8px;
  letter-spacing: -1px;
}
dialog .hint {
  margin-bottom: 22px;
}
dialog label {
  margin-top: 15px;
}
dialog .btn {
  width: 100%;
  justify-content: center;
  margin: 15px 0;
}
dialog .text-button {
  display: block;
  margin: auto;
  text-align: center;
}
.auth-error {
  font-size: 12px;
  color: #e98383;
  min-height: 20px;
  margin-top: 12px;
}
.close-button {
  position: absolute;
  right: 18px;
  top: 12px;
  background: transparent;
  border: 0;
  font-size: 28px;
  color: var(--text-tertiary);
}
@media (max-width: 1100px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .hero-facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-left: 0;
    border-top: 1px solid var(--border-hairline);
    padding-top: 6px;
  }
  .hero-facts li {
    padding-left: 0;
  }
}
@media (max-width: 1000px) {
  .topbar {
    padding: 0 24px;
    gap: 20px;
  }
  .back-link {
    display: none;
  }
  :root {
    --gutter: 24px;
  }
  .layout {
    grid-template-columns: minmax(0, 1fr) 290px;
    gap: 22px;
  }
  .panel {
    padding: 22px;
  }
  .track-nav a {
    padding: 10px 12px;
  }
  .track-nav a {
    font-size: 12px;
  }
}
@media (max-width: 740px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .guide {
    position: static;
    order: -1;
  }
  .guide-card ul,
  .guide-card .folder-tree,
  .guide-foot {
    display: none;
  }
  .guide-card {
    padding: 20px;
  }
  .guide-scene {
    margin: -20px -20px 18px;
  }
  .hero {
    padding: 40px 0 30px;
  }
  h1 {
    font-size: 38px;
  }
  .track-nav {
    flex-wrap: wrap;
  }
  .track-nav .mine-link {
    margin-left: 0;
  }
  .topbar {
    height: 72px;
  }
  .wordmark {
    font-size: 18px;
  }
  .small-button {
    padding: 6px 8px;
  }
  .topbar {
    gap: 12px;
    padding: 0 16px;
  }
  .controls {
    gap: 6px;
  }
  #theme-label {
    display: none;
  }
  .field-row {
    grid-template-columns: 1fr;
  }
  .hero-facts {
    grid-template-columns: 1fr;
  }
  .hero-facts li {
    padding: 8px 0;
  }
  .account-callout {
    flex-direction: column;
    align-items: stretch;
  }
  .sample-row,
  .submit-actions {
    align-items: flex-start;
    flex-direction: column;
  }
  .submit-actions .btn {
    width: 100%;
    justify-content: center;
  }
  footer {
    flex-wrap: wrap;
    gap: 12px;
  }
  footer > .mono {
    margin: 0;
  }
  .submission-card {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 420px) {
  .topbar .wordmark > span {
    display: none;
  }
}