:root {
  --bg: #eef7f5;
  --panel: #ffffff;
  --panel-soft: #f7fbfa;
  --ink: #143137;
  --muted: #61777c;
  --line: #d7e8e5;
  --accent: #148f87;
  --accent-dark: #0c6f6a;
  --mint: #def4ef;
  --warning: #b7791f;
  --danger: #b84646;
  --shadow: 0 18px 50px rgba(20, 49, 55, 0.11);
  --radius: 8px;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    linear-gradient(120deg, rgba(20, 143, 135, 0.10), transparent 36%),
    linear-gradient(180deg, #f7fcfb, var(--bg));
  color: var(--ink);
}

button,
textarea,
a {
  font: inherit;
}

a { color: inherit; }

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  height: 100vh;
  padding: 24px;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
}

.back-link {
  width: fit-content;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.brand {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  align-items: center;
}

.brand > span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
}

nav {
  display: grid;
  gap: 7px;
}

nav a {
  border-radius: var(--radius);
  padding: 10px 12px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

nav a.active,
nav a:hover {
  background: var(--mint);
  color: var(--accent-dark);
}

.safety-card {
  margin-top: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--panel-soft);
}

.safety-card b {
  display: block;
  margin-bottom: 7px;
}

.safety-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.workspace {
  min-width: 0;
  padding: 28px;
}

.topbar,
.hero-panel,
.metric-strip,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 18px 20px;
  margin-bottom: 18px;
}

.kicker {
  margin: 0 0 7px;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 { font-size: clamp(1.6rem, 3vw, 2.7rem); }

h2 {
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.08;
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  justify-content: flex-end;
}

.top-actions a,
.primary-action,
.review-actions button,
.source-tabs button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-weight: 850;
  text-decoration: none;
}

.top-actions a {
  padding: 9px 11px;
  color: var(--accent-dark);
  font-size: 13px;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
  align-items: stretch;
  padding: 22px;
  margin-bottom: 18px;
  background:
    radial-gradient(circle at 88% 16%, rgba(20, 143, 135, 0.16), transparent 28%),
    rgba(255, 255, 255, 0.92);
}

.hero-copy {
  position: relative;
  padding-left: 20px;
}

.hero-copy p {
  max-width: 760px;
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.status-dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(20, 143, 135, 0.11);
}

.run-card {
  display: grid;
  gap: 12px;
  align-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--panel-soft);
}

.run-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.run-meta strong { color: var(--accent-dark); }

.primary-action {
  min-height: 46px;
  background: var(--accent);
  color: #fff;
}

#run-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 18px;
  overflow: hidden;
}

.metric-strip div {
  padding: 16px 18px;
  border-right: 1px solid var(--line);
}

.metric-strip div:last-child { border-right: 0; }

.metric-strip b,
.metric-strip span {
  display: block;
}

.metric-strip b {
  color: var(--accent-dark);
  font-size: 25px;
}

.metric-strip span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.grid-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  grid-template-areas:
    "source review"
    "queue review"
    "proof proof";
  gap: 18px;
  align-items: start;
}

.panel {
  min-width: 0;
  padding: 18px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 14px;
}

.pill {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 9px;
  background: var(--mint);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 850;
}

.source-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.source-tabs button {
  padding: 8px 10px;
  color: var(--muted);
}

.source-tabs button.active {
  border-color: rgba(20, 143, 135, 0.42);
  background: var(--mint);
  color: var(--accent-dark);
}

.source-view {
  min-height: 340px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfefd;
  overflow: auto;
}

.source-panel { grid-area: source; }

.queue-panel { grid-area: queue; }

.data-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 10px;
  text-align: left;
  vertical-align: top;
}

.data-table th {
  position: sticky;
  top: 0;
  background: #eef8f6;
  color: var(--accent-dark);
  font-size: 12px;
}

.source-text {
  margin: 0;
  padding: 14px;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.queue-list {
  display: grid;
  gap: 9px;
}

.queue-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  background: #fff;
  cursor: pointer;
  text-align: left;
}

.queue-item:hover,
.queue-item.active {
  border-color: rgba(20, 143, 135, 0.38);
  background: #f6fbfa;
}

.queue-item b,
.queue-item span,
.queue-item small {
  display: block;
}

.queue-item span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
}

.queue-item small {
  width: fit-content;
  border-radius: 999px;
  padding: 4px 7px;
  background: var(--mint);
  color: var(--accent-dark);
  font-weight: 850;
}

.queue-item[data-status="blocked"] small {
  background: #fde8e8;
  color: var(--danger);
}

.queue-item[data-status="needs review"] small,
.queue-item[data-status="edited"] small {
  background: #fff4db;
  color: var(--warning);
}

.review-panel {
  grid-area: review;
  position: sticky;
  top: 18px;
}

.review-empty {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--panel-soft);
  color: var(--muted);
  line-height: 1.55;
}

.review-form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

textarea {
  width: 100%;
  min-height: 118px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px;
  background: #fff;
  color: var(--ink);
  line-height: 1.5;
}

textarea[readonly] {
  background: #f8fbfa;
}

.review-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.review-actions button {
  min-height: 42px;
  padding: 8px;
}

.review-actions button:disabled {
  cursor: not-allowed;
  opacity: 0.76;
}

.review-actions button[data-action="approve"] {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.review-actions button[data-action="approve"]:disabled {
  background: var(--mint);
  color: var(--accent-dark);
}

.review-actions button[data-action="block"] {
  color: var(--danger);
}

.review-actions button[data-action="block"]:disabled {
  color: var(--muted);
}

.proof-panel {
  grid-area: proof;
}

.proof-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.proof-list li {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 12px;
}

.proof-list b,
.proof-list span {
  display: block;
}

.proof-list b {
  margin-bottom: 6px;
  color: var(--accent-dark);
  font-size: 12px;
  text-transform: uppercase;
}

.proof-list span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.52;
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .grid-layout,
  .hero-panel {
    grid-template-columns: 1fr;
  }

  .grid-layout {
    grid-template-areas:
      "source"
      "queue"
      "review"
      "proof";
  }

  .review-panel {
    position: static;
  }
}

@media (max-width: 680px) {
  .workspace,
  .sidebar {
    padding: 16px;
  }

  .topbar,
  .panel-head {
    display: grid;
  }

  .top-actions {
    justify-content: start;
  }

  .metric-strip,
  .proof-list,
  .review-actions {
    grid-template-columns: 1fr;
  }

  .metric-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-strip div:last-child { border-bottom: 0; }
}