.contribute-page {
  min-height: 100vh;
  background: var(--surface-high);
}

.contribute-shell {
  width: min(1080px, calc(100% - 48px));
  margin-inline: auto;
}

.contribute-hero {
  border-bottom: 1px solid var(--line);
  background: var(--surface-high);
}

.contribute-hero-inner {
  min-height: 270px;
  padding-block: 68px 58px;
  display: flex;
  align-items: flex-end;
}

.contribute-hero h1 {
  color: var(--ink-serif);
  font-family: "Newsreader", Georgia, serif;
  font-size: 62px;
  font-weight: 600;
  line-height: 0.98;
  white-space: nowrap;
}

.contribute-hero p {
  max-width: 760px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.62;
}

.contribute-types {
  padding-block: 54px 68px;
  background: var(--surface-high);
}

.contribute-section-heading {
  margin-bottom: 22px;
}

.contribute-section-heading h2,
.submission-heading h2,
.contribution-recognition h2 {
  color: var(--ink-serif);
  font-family: "Newsreader", Georgia, serif;
  font-size: 36px;
  font-weight: 600;
  line-height: 1.08;
}

.contribute-type-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.contribute-type-card {
  min-height: 244px;
  padding: 26px;
  border: 1px solid var(--line);
  border-top-width: 3px;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.contribute-type-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.contribute-type-case {
  border-top-color: var(--teal);
}

.contribute-type-skill {
  border-top-color: var(--violet);
}

.contribute-type-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--faint);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.contribute-type-label svg {
  width: 18px;
  height: 18px;
}

.contribute-type-case .contribute-type-label svg {
  color: var(--teal);
}

.contribute-type-skill .contribute-type-label svg {
  color: var(--violet);
}

.contribute-type-card h3 {
  margin-top: 24px;
  color: var(--ink);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.18;
}

.contribute-type-card p {
  max-width: 460px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.contribute-type-button {
  min-height: 42px;
  align-self: flex-start;
  margin-top: auto;
  padding: 0 15px;
  border: 0;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
}

.contribute-type-button svg {
  width: 17px;
  height: 17px;
}

.contribute-type-case .contribute-type-button {
  background: var(--teal);
}

.contribute-type-case .contribute-type-button:hover {
  background: #075f58;
}

.contribute-type-skill .contribute-type-button {
  background: var(--violet);
}

.contribute-type-skill .contribute-type-button:hover {
  background: #6245d6;
}

.submission-section {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
  scroll-margin-top: var(--header-height);
}

.submission-workspace {
  padding-block: 58px 54px;
}

.submission-heading {
  margin-bottom: 26px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.submission-tabs {
  min-width: 210px;
  padding: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  background: var(--surface-high);
}

.submission-tabs button {
  min-height: 36px;
  padding-inline: 10px;
  border: 0;
  border-radius: 5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: transparent;
  color: var(--faint);
  font-size: 12px;
  font-weight: 700;
}

.submission-tabs button svg {
  width: 16px;
  height: 16px;
}

.submission-tabs button[aria-selected="true"] {
  background: var(--ink);
  color: #ffffff;
}

.submission-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  align-items: start;
  gap: 20px;
}

.submission-preview {
  min-width: 0;
  overflow: hidden;
  border: 1px solid #302d38;
  border-radius: var(--radius);
  background: var(--night-soft);
  box-shadow: var(--shadow-sm);
}

.submission-preview-bar {
  min-height: 40px;
  padding-inline: 15px;
  border-bottom: 1px solid #393542;
  display: flex;
  align-items: center;
  color: #f2eff7;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 11px;
}

#template-preview {
  height: 390px;
  margin: 0;
  padding: 20px;
  overflow: auto;
  background: transparent;
  color: #e8e4ed;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.65;
  white-space: pre;
  tab-size: 2;
}

.submission-actions {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-high);
}

.submission-actions > p:first-child {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.submission-action-list {
  margin-top: 24px;
  display: grid;
  gap: 9px;
}

.submission-action {
  min-height: 42px;
  padding-inline: 13px;
  border: 1px solid transparent;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
}

.submission-action svg {
  width: 17px;
  height: 17px;
}

.submission-action-primary {
  background: var(--ink);
  color: #ffffff;
}

.submission-action-primary:hover {
  background: #302d38;
}

.submission-action-secondary {
  border-color: var(--line-strong);
  background: var(--surface-high);
  color: var(--ink);
}

.submission-action-secondary:hover {
  border-color: var(--ink);
}

.submission-discuss {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: var(--faint);
  font-size: 12px;
  font-weight: 600;
}

.submission-discuss:hover {
  color: var(--ink);
}

.submission-discuss svg {
  width: 16px;
  height: 16px;
}

.submission-discuss span {
  font-size: 11px;
  font-weight: 400;
}

.submission-status {
  min-height: 18px;
  margin-top: 8px;
  color: var(--teal);
  font-size: 11px;
  text-align: center;
}

.submission-workspace[data-mode="skill"] .submission-status {
  color: var(--violet);
}

.contribution-recognition {
  padding-block: 54px 62px;
  background: var(--surface-high);
}

.contribution-recognition p {
  max-width: 790px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.68;
}

.contribute-page button:focus-visible,
.contribute-page a:focus-visible,
.contribute-page pre:focus-visible {
  outline: 3px solid rgba(123, 92, 245, 0.34);
  outline-offset: 3px;
}

@media (max-width: 860px) {
  .contribute-hero-inner {
    min-height: 0;
    padding-block: 58px 48px;
    display: block;
  }

  .contribute-hero h1 {
    font-size: 52px;
  }

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

@media (max-width: 620px) {
  .contribute-shell {
    width: min(100% - 28px, 1080px);
  }

  .contribute-hero-inner {
    padding-block: 46px 40px;
  }

  .contribute-hero h1 {
    font-size: 42px;
  }

  .contribute-hero p {
    margin-top: 14px;
    font-size: 15px;
  }

  .contribute-types {
    padding-block: 42px 50px;
  }

  .contribute-section-heading h2,
  .submission-heading h2,
  .contribution-recognition h2 {
    font-size: 30px;
  }

  .contribute-type-grid {
    grid-template-columns: 1fr;
    gap: 13px;
  }

  .contribute-type-card {
    min-height: 224px;
    padding: 21px;
  }

  .contribute-type-card h3 {
    font-size: 22px;
  }

  .submission-workspace {
    padding-block: 44px 40px;
  }

  .submission-heading {
    margin-bottom: 20px;
    display: grid;
    align-items: start;
    gap: 18px;
  }

  .submission-tabs {
    width: 100%;
  }

  #template-preview {
    height: 380px;
    padding: 16px;
    font-size: 11px;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }

  .submission-actions {
    padding: 20px;
  }

  .contribution-recognition {
    padding-block: 42px 48px;
  }

  .contribution-recognition p {
    font-size: 14px;
  }
}

@media (max-width: 520px) {
  .contribute-hero h1 {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contribute-type-card {
    transition: none;
  }
}