:root {
  --bg: #f4f1ea;
  --panel: #fffdf8;
  --ink: #1f2937;
  --muted: #6b7280;
  --accent: #0f766e;
  --accent-2: #d97706;
  --danger: #b91c1c;
  --border: #d6d3d1;
  --chip: #eef2ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top right, #fef3c7 0%, var(--bg) 40%);
  min-height: 100vh;
}

header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, #fffbeb, #f0fdfa);
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
}

header h1 { margin: 0; font-size: 1.2rem; }

.top-nav { display: flex; gap: 8px; }

.tab-btn {
  border: 1px solid var(--border);
  background: #fff;
  padding: 6px 10px;
  border-radius: 7px;
  cursor: pointer;
}

.tab-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: #ecfeff;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.layout {
  display: grid;
  grid-template-columns: 320px 1fr 420px;
  gap: 12px;
  padding: 12px;
  height: calc(100vh - 78px);
}

.simple-grid {
  display: grid;
  gap: 12px;
  padding: 12px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: auto;
  box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
}

.results-list { display: flex; flex-direction: column; gap: 8px; padding: 10px; }

.result-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  background: white;
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
  display: grid;
  gap: 4px;
}

.result-item strong {
  display: block;
  line-height: 1.25;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.result-item .muted {
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.25;
}

.result-item:hover { border-color: var(--accent); transform: translateY(-1px); }
.result-item.active {
  border-color: var(--accent-2);
  box-shadow: inset 0 0 0 1px var(--accent-2);
  background: #fffbeb;
}

.meta-row { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; font-size: 0.78rem; }
.chip { border-radius: 999px; border: 1px solid #c7d2fe; background: var(--chip); padding: 2px 8px; }

.viewer-wrap { display: grid; grid-template-rows: auto 1fr; height: 100%; }
.viewer-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding: 8px 10px;
  gap: 10px;
  font-size: 0.9rem;
}

iframe { width: 100%; height: 100%; border: 0; background: #f5f5f4; }

.details { padding: 12px; display: grid; gap: 12px; }

.section {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  background: white;
  display: grid;
  gap: 8px;
}

.section h3 { margin: 0; font-size: 0.95rem; }

.kv { display: grid; grid-template-columns: 1fr auto; font-size: 0.86rem; padding: 3px 0; border-bottom: 1px dashed #e5e7eb; }
.kv:last-child { border-bottom: 0; }
.danger { color: var(--danger); font-weight: 600; }
.muted { color: var(--muted); }

table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
th, td { border: 1px solid #e5e7eb; padding: 4px 6px; text-align: left; vertical-align: top; }

.node-list { max-height: 320px; overflow: auto; }
.module-search, input[type="number"] {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.82rem;
  background: #fff;
}

.node-row {
  padding: 8px;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.82rem;
  margin-bottom: 6px;
  background: #fff;
}
.node-row:hover { border-color: var(--accent); background: #f0fdfa; }
.node-row.active { border-color: var(--accent-2); background: #fffbeb; }
.node-title { font-weight: 600; margin-bottom: 4px; }
.node-meta { display: flex; gap: 6px; flex-wrap: wrap; color: var(--muted); font-size: 0.74rem; }

pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.78rem;
  max-height: 240px;
  overflow: auto;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 8px;
}

.module-card { border: 1px solid #e5e7eb; border-radius: 8px; background: #fff; padding: 10px; display: grid; gap: 8px; }
.module-card h4 { margin: 0; font-size: 0.92rem; }

.code-wrap { max-height: 280px; overflow: auto; border: 1px solid #e5e7eb; border-radius: 8px; background: #f8fafc; }
.hljs { background: #f8fafc; }

button {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #fff, #f8fafc);
  border-radius: 7px;
  padding: 7px 11px;
  cursor: pointer;
}

.small-btn { width: fit-content; }

.pipeline-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.flow-node {
  border: 1px solid #99f6e4;
  background: #f0fdfa;
  color: #0f766e;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.82rem;
  font-weight: 600;
}

.flow-arrow {
  color: #9ca3af;
  font-weight: 700;
}

.training-runs {
  display: grid;
  gap: 8px;
}

.run-analysis-controls {
  display: grid;
  gap: 6px;
}

.run-row {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  padding: 8px;
  display: grid;
  gap: 5px;
}

.run-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8rem;
}

@media (max-width: 1200px) {
  header {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .layout {
    grid-template-columns: 1fr;
    height: auto;
  }

  .panel { min-height: 280px; }
  .viewer-wrap { min-height: 60vh; }
}