:root {
  --bg: #f5f0e7;
  --panel: rgba(255, 251, 244, 0.9);
  --line: rgba(49, 38, 24, 0.12);
  --ink: #211d19;
  --muted: #6b6057;
  --accent: #0c7a72;
  --accent-deep: #074743;
  --warn: #b45309;
  --bad: #a61b36;
  --shadow: 0 20px 50px rgba(49, 38, 24, 0.12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(12, 122, 114, 0.12), transparent 22%),
    linear-gradient(180deg, #f7f2ea 0%, #efe5d7 100%);
  font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
}

.shell {
  max-width: 1360px;
  margin: 0 auto;
  padding: 28px 18px 40px;
}

.hero {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr;
  gap: 18px;
  align-items: end;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-deep);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
}

.hero h1,
.panel h2 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 0.94;
}

.hero-text {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.hero-actions {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.workflow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.section-nav {
  display: none;
}

.accent-button {
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  background: linear-gradient(135deg, var(--accent) 0%, #1b9e93 100%);
  color: white;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 16px 28px rgba(12, 122, 114, 0.24);
}

.accent-button:disabled {
  opacity: 0.68;
  cursor: wait;
}

.status-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.metrics {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.runtime-strip {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.workflow-strip {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.history-panel {
  margin-top: 14px;
}

.metric-card,
.runtime-card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.metric-card {
  padding: 16px;
  display: grid;
  gap: 8px;
}

.metric-card span {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-card strong {
  font-size: 1.24rem;
  word-break: break-word;
}

.runtime-card {
  padding: 16px;
  display: grid;
  gap: 8px;
}

.runtime-card span {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.runtime-card strong {
  font-size: 1.1rem;
}

.board {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(340px, 420px) minmax(0, 1fr);
  gap: 16px;
}

.main-stage {
  display: grid;
  gap: 16px;
  align-content: start;
}

.selection-lanes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.panel {
  padding: 16px;
  scroll-margin-top: 136px;
}

.source-panel {
  position: sticky;
  top: 18px;
  align-self: start;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  margin-bottom: 12px;
}

.panel-note {
  color: var(--muted);
  font-size: 0.9rem;
}

.card-list {
  display: grid;
  gap: 10px;
}

.source-search {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.84rem;
}

.source-search input {
  width: 100%;
  min-height: 42px;
  border: 1px solid rgba(49, 38, 24, 0.14);
  border-radius: 14px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.82);
  font: inherit;
}

.source-panel .card-list {
  max-height: calc(100vh - 250px);
  overflow: auto;
  padding-right: 4px;
}

.card {
  border: 1px solid rgba(49, 38, 24, 0.1);
  border-radius: 18px;
  padding: 12px;
  background: rgba(255, 255, 255, 0.72);
}

.card.is-clickable {
  cursor: pointer;
}

.card.is-selected {
  border-color: rgba(12, 122, 114, 0.28);
  background: rgba(234, 252, 249, 0.86);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  line-height: 1.35;
}

.meta-row,
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 8px;
  font-size: 0.76rem;
  background: rgba(12, 122, 114, 0.1);
  color: var(--accent-deep);
}

.pill.bad {
  background: rgba(166, 27, 54, 0.1);
  color: var(--bad);
}

.pill.warn {
  background: rgba(180, 83, 9, 0.1);
  color: var(--warn);
}

.card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
  word-break: break-word;
}

.history-card {
  display: grid;
  gap: 8px;
}

.history-card .meta-row {
  align-items: center;
}

.history-card pre {
  margin: 0;
}

.source-card {
  padding: 12px 12px 10px;
}

.source-card h3 {
  margin-bottom: 6px;
}

.source-card .source-id {
  margin-top: 10px;
  font-size: 0.82rem;
}

.lane-card {
  padding: 14px;
}

.lane-card h3 {
  margin-bottom: 10px;
  font-size: 1.02rem;
}

.lane-card .meta-row {
  margin-bottom: 10px;
}

.lane-summary {
  display: grid;
  gap: 8px;
}

.lane-summary p {
  margin: 0;
  font-size: 0.88rem;
}

.mini-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.preview-card {
  display: grid;
  gap: 12px;
}

.preview-card h3 {
  margin: 0;
  font-size: 1.08rem;
}

.preview-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
}

.preview-grid div {
  padding: 12px;
  border: 1px solid rgba(49, 38, 24, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
}

.preview-grid dt {
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 6px;
}

.preview-grid dd {
  margin: 0;
  font-weight: 600;
  word-break: break-word;
}

.preview-section {
  display: grid;
  gap: 8px;
}

.preview-section h3 {
  margin: 0;
  font-size: 1rem;
}

.note-field {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.88rem;
}

.note-field textarea {
  width: 100%;
  border: 1px solid rgba(49, 38, 24, 0.14);
  border-radius: 14px;
  padding: 10px 12px;
  font: inherit;
  resize: vertical;
  min-height: 88px;
  background: rgba(255, 255, 255, 0.78);
}

.review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.action-button {
  border: 0;
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(12, 122, 114, 0.12);
  color: var(--accent-deep);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.workflow-actions .action-button,
.workflow-actions .accent-button {
  min-height: 44px;
}

.action-button.warn {
  background: rgba(180, 83, 9, 0.12);
  color: var(--warn);
}

.action-button.bad {
  background: rgba(166, 27, 54, 0.12);
  color: var(--bad);
}

.action-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@media (max-width: 960px) {
  .hero,
  .board,
  .selection-lanes,
  .workflow-strip {
    grid-template-columns: 1fr;
  }

  .metrics {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .runtime-strip {
    grid-template-columns: 1fr;
  }

  .metrics::-webkit-scrollbar {
    display: none;
  }

  .metric-card {
    min-width: 170px;
    flex: 0 0 auto;
  }

  .source-panel {
    position: static;
  }

  .source-panel .card-list {
    max-height: 420px;
  }
}

@media (max-width: 720px) {
  .shell {
    padding: 18px 12px 28px;
  }

  .hero h1 {
    font-size: clamp(2.1rem, 12vw, 3.1rem);
  }

  .panel,
  .metric-card {
    border-radius: 18px;
  }

  .panel-head {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions,
  .workflow-actions,
  .accent-button {
    width: 100%;
  }

  .workflow-actions .action-button,
  .workflow-actions .accent-button {
    width: 100%;
  }

  .section-nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    margin-top: 12px;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .section-nav::-webkit-scrollbar {
    display: none;
  }

  .section-link {
    flex: 0 0 auto;
    min-height: 38px;
    border: 1px solid rgba(49, 38, 24, 0.12);
    border-radius: 999px;
    padding: 9px 12px;
    background: rgba(255, 255, 255, 0.78);
    color: var(--muted);
    font: inherit;
    font-size: 0.84rem;
    font-weight: 700;
    white-space: nowrap;
  }

  .board {
    margin-top: 14px;
    gap: 14px;
  }

  .main-stage {
    gap: 14px;
  }

  .source-panel .card-list {
    max-height: 360px;
  }

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

  .review-actions {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .section-nav {
    position: sticky;
    top: 0;
    z-index: 3;
    padding-top: 8px;
    background: linear-gradient(180deg, rgba(239, 229, 215, 0.96), rgba(239, 229, 215, 0));
  }

  .panel {
    border-radius: 18px;
    padding: 14px;
  }

  .metric-card {
    min-width: 154px;
  }

  .preview-copy,
  .card p {
    font-size: 0.86rem;
  }
}