:root {
  --bg: #0b0f14;
  --card: #141a22;
  --border: #243041;
  --text: #e8eef6;
  --muted: #8b9bb0;
  --accent: #0052ff;
  --accent-soft: rgba(0, 82, 255, 0.15);
  --ok: #22c55e;
  --ok-soft: rgba(34, 197, 94, 0.12);
  --warn: #f59e0b;
  --warn-soft: rgba(245, 158, 11, 0.12);
  --manual: #a78bfa;
  --manual-soft: rgba(167, 139, 250, 0.14);
  --danger: #ef4444;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--sans);
  background: radial-gradient(1200px 600px at 20% -10%, #132038 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}
.page { max-width: 920px; margin: 0 auto; padding: 2rem 1.25rem 3rem; }

.hero h1 { margin: 0.4rem 0 0.35rem; font-size: 1.75rem; letter-spacing: -0.02em; }
.sub { color: var(--muted); margin: 0 0 1rem; }
.badge-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.pill.sandbox { background: var(--accent-soft); color: #8eb6ff; border-color: #2a4a8a; }
.pill.poc { background: var(--warn-soft); color: #fbbf24; border-color: #6b4e12; }

.banner {
  background: var(--warn-soft);
  border: 1px solid #6b4e12;
  color: #fde68a;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  margin: 1rem 0;
  font-size: 0.92rem;
}
.banner code { font-family: var(--mono); font-size: 0.85em; }

.controls { margin: 1rem 0 0.5rem; }
.toggle {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.95rem;
}
.toggle input { margin-top: 0.3rem; accent-color: var(--accent); }
.hint { color: var(--muted); font-size: 0.85rem; margin: 0.45rem 0 0; }
.hint.live-off { color: #fca5a5; }

.tabs {
  display: flex;
  gap: 0.4rem;
  margin: 1.5rem 0 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.35rem;
}
.tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  padding: 0.55rem 0.9rem;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  font-size: 0.92rem;
}
.tab:hover { color: var(--text); background: #1a2230; }
.tab.active {
  color: var(--text);
  background: var(--card);
  border-color: var(--border);
  border-bottom-color: var(--card);
}

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.15rem;
}
.panel-head h2 { margin: 0 0 0.35rem; font-size: 1.2rem; }
.doc-link {
  color: #8eb6ff;
  font-size: 0.88rem;
  text-decoration: none;
}
.doc-link:hover { text-decoration: underline; }
.flow { color: var(--muted); font-size: 0.9rem; margin: 0.55rem 0 0; }

.process-flow {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  align-items: stretch;
  gap: 1.35rem;
}
.process-node {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  min-height: 7.15rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.45rem;
  padding: 0.8rem 0.55rem;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--accent);
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}
.process-node::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -1.18rem;
  transform: translateY(-58%);
  color: #7398db;
  font-size: 1.25rem;
  font-weight: 700;
}
.process-node:last-child::after { content: none; }
.manual-node {
  border-color: var(--manual);
  background: linear-gradient(135deg, var(--manual-soft), var(--card));
}
.process-number {
  display: grid;
  place-items: center;
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: #a9c6ff;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
}
.manual-node .process-number { background: var(--manual-soft); color: #d8ccff; }
.process-label { font-size: 0.88rem; font-weight: 700; line-height: 1.35; overflow-wrap: anywhere; }
.process-kind {
  border-radius: 999px;
  padding: 0.14rem 0.42rem;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.25;
}
.sdk-kind { background: var(--accent-soft); color: #93c5fd; }
.manual-kind { background: var(--manual-soft); color: #c4b5fd; }

.checklist {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  counter-reset: step;
}
.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  counter-increment: step;
}
.step-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.45rem;
}
.step-n {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: #8eb6ff;
  background: var(--accent-soft);
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
}
.step-n::before { content: "Step " counter(step); }
.step h3 { margin: 0; font-size: 1rem; flex: 1 1 12rem; }
.chip {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.18rem 0.45rem;
  border-radius: 999px;
}
.chip.ok { background: var(--ok-soft); color: #86efac; }
.chip.manual { background: var(--manual-soft); color: #c4b5fd; }
.chip.sdk { background: var(--accent-soft); color: #93c5fd; }

.meta-row { color: var(--muted); font-size: 0.82rem; margin: 0.25rem 0; }
.meta-row code { font-family: var(--mono); color: #cbd5e1; font-size: 0.8em; }
.sdk-line {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: #0a1018;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  overflow-x: auto;
  color: #d1e0f5;
  margin: 0.5rem 0;
  white-space: pre-wrap;
  word-break: break-word;
}
.mock-box {
  margin-top: 0.55rem;
  border-left: 3px solid var(--ok);
  padding-left: 0.75rem;
}
.mock-box summary {
  cursor: pointer;
  color: #86efac;
  font-size: 0.85rem;
  font-weight: 600;
}
.mock-box pre {
  font-family: var(--mono);
  font-size: 0.75rem;
  background: #0a1018;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.65rem 0.75rem;
  overflow-x: auto;
  color: #c8d6e8;
  margin: 0.4rem 0 0;
}
.live-blocked {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid #7f1d1d;
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
}

@media (max-width: 700px) {
  .process-flow {
    flex-direction: column;
    gap: 0.75rem;
  }
  .process-node {
    min-height: 5.4rem;
    flex-direction: row;
    justify-content: flex-start;
    padding: 0.7rem;
  }
  .process-node::after {
    content: "↓";
    top: auto;
    right: auto;
    bottom: -0.8rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
  }
  .process-node:last-child::after { content: none; }
  .process-label { text-align: left; flex: 1; }
}

.foot {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}
.foot code { font-family: var(--mono); font-size: 0.85em; }