:root {
  --bg: #0e1014;
  --panel: #161a22;
  --line: #232936;
  --text: #e6e8ec;
  --muted: #8b94a7;
  --accent: #7c5dff;
  --accent-2: #62b6ff;
  --green: #5fd28b;
  --red: #ff6b6b;
  --yellow: #f7c948;
  --magenta: #c89cff;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font: 14px ui-monospace, SFMono-Regular, Menlo, monospace;
  min-height: 100%;
}
body { display: flex; flex-direction: column; min-height: 100vh; }

header {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 20px; border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.title { display: flex; align-items: center; gap: 12px; }
.logo { font-size: 18px; }
h1 { font-size: 16px; margin: 0; font-weight: 600; }
.badge {
  padding: 3px 10px; border-radius: 999px; background: var(--line);
  color: var(--muted); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.5px;
}
.badge.running { background: rgba(98, 182, 255, 0.15); color: var(--accent-2); }
.badge.green { background: rgba(95, 210, 139, 0.18); color: var(--green); }
.badge.red { background: rgba(255, 107, 107, 0.18); color: var(--red); }
.meta { color: var(--muted); font-size: 12px; }

.cta-row {
  margin-left: auto; display: flex; gap: 8px;
}
.cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: 6px;
  background: var(--line); color: var(--accent-2);
  font-size: 11px; text-decoration: none;
  border: 1px solid transparent;
  transition: border-color 0.1s;
}
.cta:hover { border-color: var(--accent); }
.cta span { font-size: 12px; }

.hero {
  padding: 14px 20px;
  background: linear-gradient(180deg, rgba(124,93,255,0.10), transparent);
  border-bottom: 1px solid var(--line);
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: center;
}
.hero-text p { margin: 0; color: var(--muted); line-height: 1.6; }
.hero-text strong { color: var(--text); }
.hero-text em { color: var(--accent-2); font-style: normal; font-weight: 600; }

.diagram {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-size: 11px;
}
.diagram-input {
  padding: 4px 14px; border: 1px dashed var(--muted); border-radius: 6px;
  color: var(--text);
}
.diagram-arrow { color: var(--muted); font-size: 14px; line-height: 1; }
.diagram-server {
  padding: 6px 14px; border: 1px solid var(--accent); border-radius: 6px;
  color: var(--text); background: rgba(124,93,255,0.10);
  font-size: 11px;
}
.diagram-server code {
  background: transparent; color: var(--accent-2);
  padding: 0;
}
.diagram-arrows {
  display: flex; gap: 80px; color: var(--muted); font-size: 14px;
  line-height: 1;
}
.diagram-models {
  display: flex; gap: 10px;
}
.diagram-box {
  padding: 6px 10px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--panel); color: var(--text); text-align: center;
  min-width: 110px; font-weight: 600;
}
.diagram-box span {
  display: block; color: var(--muted); font-weight: normal;
  font-size: 9px; margin-top: 2px;
}
.diagram-recognition { border-color: rgba(98,182,255,0.4); }
.diagram-structured { border-color: rgba(200,156,255,0.4); }
.diagram-ner { border-color: rgba(95,210,139,0.4); }

.why-sie {
  padding: 12px 20px; border-bottom: 1px solid var(--line);
  background: rgba(124,93,255,0.04);
}
.why-sie h3 {
  margin: 0 0 6px 0; font-size: 11px; letter-spacing: 0.6px;
  text-transform: uppercase; color: var(--accent); font-weight: 600;
}
.why-sie p { margin: 0; color: var(--muted); line-height: 1.6; max-width: 1100px; }

.tour {
  padding: 12px 20px; border-bottom: 1px solid var(--line);
  background: rgba(98,182,255,0.04);
}
.tour h3 {
  margin: 0 0 6px 0; font-size: 11px; letter-spacing: 0.6px;
  text-transform: uppercase; color: var(--accent-2); font-weight: 600;
}
.tour-list {
  margin: 0; padding-left: 22px;
  color: var(--muted); line-height: 1.55;
  max-width: 1100px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 4px 24px;
}
.tour-list li { padding: 3px 0; }
.tour-list strong { color: var(--text); font-weight: 600; }
.tour-list code {
  background: var(--line); padding: 1px 5px; border-radius: 3px;
  color: var(--accent-2); font-size: 11px;
}

main {
  flex: 1; display: grid;
  grid-template-columns: 0.95fr 1.4fr 1.2fr;
  gap: 12px; padding: 12px 20px; overflow: hidden;
  min-height: 480px;
}

.panel {
  display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; overflow: hidden; min-height: 0;
}
.panel header {
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: baseline;
}
.panel h2 {
  font-size: 12px; letter-spacing: 0.6px; text-transform: uppercase;
  margin: 0; color: var(--muted);
}
#panel-events h2 { color: var(--accent); }
#panel-recognition h2 { color: var(--accent-2); }
#panel-extraction h2 { color: var(--magenta); }

.hint { color: var(--muted); font-size: 11px; }

.list, .markdown, .extraction {
  flex: 1; overflow: auto; padding: 12px 14px; margin: 0;
}

.sdk-snippet {
  border-bottom: 1px solid var(--line);
  background: rgba(0,0,0,0.2);
  font-size: 11px;
}
.sdk-snippet summary {
  padding: 6px 14px; cursor: pointer;
  color: var(--accent-2); user-select: none;
  font-weight: 500;
}
.sdk-snippet summary::marker { color: var(--accent-2); }
.sdk-snippet pre {
  margin: 0; padding: 8px 14px 10px;
  white-space: pre-wrap; word-break: break-word;
  color: var(--text); font-size: 11px; line-height: 1.45;
}
.sdk-snippet code .arg { color: var(--magenta); }
.sdk-snippet code .str { color: var(--green); }
.sdk-snippet code .com { color: var(--muted); }

.meta-row {
  padding: 10px 14px; border-bottom: 1px solid var(--line);
  font-size: 11px; color: var(--muted);
  display: flex; flex-direction: column; gap: 6px;
}
.model-pick {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px;
}
.dropdown-label {
  color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.5px; min-width: 80px;
}
.meta-row select {
  flex: 1; min-width: 0;
  background: var(--bg); color: var(--text); border: 1px solid var(--line);
  border-radius: 6px; padding: 4px 8px; font: inherit;
  font-size: 11px;
}
.meta-row select:disabled, .meta-row option:disabled {
  color: var(--muted);
}

.event {
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px;
  margin-bottom: 10px; cursor: pointer;
  transition: border-color 0.1s;
  display: flex; gap: 12px; align-items: center;
}
.event:hover { border-color: var(--accent); }
.event.active { border-color: var(--accent); background: rgba(124,93,255,0.08); }
.event img {
  width: 64px; height: 64px; object-fit: cover;
  border-radius: 4px; background: #fff;
  flex-shrink: 0;
}
.event .label { font-weight: 600; color: var(--text); font-size: 13px; }
.event .desc { color: var(--muted); font-size: 11px; margin-top: 2px; line-height: 1.4; }

.markdown {
  white-space: pre-wrap; word-break: break-word;
  font-size: 13px; line-height: 1.55;
}

.extraction .section {
  margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 1px dashed var(--line);
}
.extraction .section:last-child { border-bottom: 0; margin-bottom: 0; }
.extraction h3 {
  font-size: 11px; letter-spacing: 0.6px; text-transform: uppercase;
  color: var(--muted); margin: 0 0 6px 0; font-weight: 500;
}
.field {
  display: flex; gap: 8px; padding: 4px 0;
  font-size: 12px;
}
.field .label-name {
  color: var(--accent-2); font-weight: 500; min-width: 90px;
}
.field .text { color: var(--text); flex: 1; }
.field .score { color: var(--muted); font-size: 11px; }

.donut-row { padding: 3px 0; font-size: 12px; }
.donut-row .key { color: var(--magenta); }
.donut-row .val { color: var(--text); margin-left: 8px; }

footer {
  padding: 10px 20px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 12px;
  display: flex; justify-content: space-between; gap: 12px;
}
code { background: var(--line); padding: 1px 6px; border-radius: 4px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  main { grid-template-columns: 1fr; }
  .cta-row { margin-left: 0; }
}