/* Manifold — dark developer-console theme */

:root {
  --bg: #0a0c10;
  --bg-soft: #0d1117;
  --panel: #11151d;
  --panel-2: #161c26;
  --line: #222b3a;
  --text: #e8ecf3;
  --muted: #98a2b3;
  --amber: #fbbf24;
  --amber-dim: rgba(251, 191, 36, 0.12);
  --teal: #2dd4bf;
  --green: #34d399;
  --red: #f87171;
  --blue: #60a5fa;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  --radius: 12px;
  --header-bg: rgba(10, 12, 16, 0.85);
  --code-bg: rgba(255, 255, 255, 0.06);
}

/* Light theme — same platform, daylight console */
[data-theme="light"] {
  --bg: #f6f4ee;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-2: #efece3;
  --line: #ddd7c8;
  --text: #181c22;
  --muted: #68707e;
  --amber: #b45309;
  --amber-dim: rgba(180, 83, 9, 0.08);
  --teal: #0d9488;
  --green: #15803d;
  --red: #dc2626;
  --blue: #2563eb;
  --header-bg: rgba(246, 244, 238, 0.88);
  --code-bg: rgba(0, 0, 0, 0.05);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: min(1120px, 92%);
  margin-inline: auto;
}

.mono { font-family: var(--mono); font-size: 0.92em; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 5px;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 0.6rem; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); }
h3 { font-size: 1.05rem; color: var(--text); }

a { color: var(--amber); }
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--amber);
  color: #111;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  font-weight: 700;
  z-index: 100;
  transition: top 0.2s;
}
.skip-link:focus { top: 1rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-block: 0.8rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
}
.site-nav {
  display: flex;
  gap: 1.25rem;
  margin-left: auto;
}
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.site-nav a:hover { color: var(--text); }

.status-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  white-space: nowrap;
}
.status-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}
.status-pill.ok .dot { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status-pill.ok { color: var(--green); }
.status-pill.down .dot { background: var(--red); }
.status-pill.down { color: var(--red); }

/* Hero */
.hero {
  padding: clamp(3rem, 8vw, 5.5rem) 0 clamp(2.5rem, 6vw, 4rem);
  background:
    radial-gradient(600px 300px at 80% 10%, rgba(251, 191, 36, 0.07), transparent),
    radial-gradient(500px 300px at 10% 90%, rgba(45, 212, 191, 0.05), transparent);
}
.hero-inner {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}
.kicker {
  color: var(--amber);
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}
.lede { color: var(--muted); font-size: 1.08rem; max-width: 34rem; }
.hero-cta { display: flex; gap: 0.8rem; flex-wrap: wrap; margin: 1.5rem 0; }
.hero-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
}
.hero-chips li {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}

/* Flow diagram visual */
.hero-visual { display: none; }
.flow-diagram {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem 1rem;
  position: relative;
}
.flow-node {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: var(--panel-2);
  border: 1px solid var(--line);
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  color: var(--teal);
}
.flow-node.flow-in { color: var(--amber); border-color: rgba(251, 191, 36, 0.4); }
.flow-split {
  flex: 1;
  height: 2px;
  min-width: 1.2rem;
  background: linear-gradient(90deg, var(--amber), var(--teal));
  position: relative;
}
.flow-caption {
  text-align: center;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.8rem;
}

/* Buttons */
.btn {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 0.7rem 1.3rem;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s, background 0.15s, border-color 0.15s;
}
.btn-primary { background: var(--amber); color: #14100a; }
.btn-primary:hover { background: #fcd34d; transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }
.btn-small { padding: 0.45rem 0.8rem; font-size: 0.85rem; }
.btn-block { width: 100%; margin-top: 0.6rem; }

/* Sections & cards */
.section { padding: clamp(2.5rem, 6vw, 4rem) 0; }
.section-kicker {
  color: var(--teal);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}
.section-lede { color: var(--muted); max-width: 44rem; margin-bottom: 1.8rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
}
.card h3 { margin-bottom: 1rem; }

/* Sandbox */
.sandbox-grid { display: grid; gap: 1.2rem; }
.preset-row { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 1.2rem; }
.chip-btn {
  font-family: var(--mono);
  font-size: 0.75rem;
  background: var(--panel-2);
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
}
.chip-btn:hover { color: var(--amber); border-color: rgba(251, 191, 36, 0.5); }

.field { display: block; margin-bottom: 1rem; }
.field > span {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.4rem;
}
.field > span em { font-style: normal; font-weight: 400; color: var(--muted); opacity: 0.8; }
.field input, .field select, .field textarea {
  width: 100%;
  font: inherit;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
}
.field textarea { resize: vertical; min-height: 6rem; }
.form-row { display: grid; gap: 1rem; grid-template-columns: 110px 1fr; }
.key-input-row { display: flex; gap: 0.6rem; }
.key-input-row input { flex: 1; min-width: 0; }
.key-input-row .btn { white-space: nowrap; }
.hint { font-size: 0.85rem; color: var(--muted); margin: 0.8rem 0 0; }

.response-card { display: flex; flex-direction: column; }
.resp-empty {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 8px;
  min-height: 16rem;
  font-family: var(--mono);
  font-size: 0.9rem;
}
.resp-meta { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 0.8rem; flex-wrap: wrap; }
.status-badge {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  background: rgba(52, 211, 153, 0.12);
  color: var(--green);
  border: 1px solid rgba(52, 211, 153, 0.35);
}
.status-badge.warn { background: rgba(251, 191, 36, 0.12); color: var(--amber); border-color: rgba(251, 191, 36, 0.35); }
.status-badge.err { background: rgba(248, 113, 113, 0.12); color: var(--red); border-color: rgba(248, 113, 113, 0.35); }
.resp-body {
  margin: 0;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
  overflow: auto;
  max-height: 26rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Method badges */
.m {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
  letter-spacing: 0.03em;
}
.m-get { background: rgba(52, 211, 153, 0.12); color: var(--green); }
.m-post { background: rgba(251, 191, 36, 0.12); color: var(--amber); }
.m-put { background: rgba(96, 165, 250, 0.12); color: var(--blue); }
.m-delete { background: rgba(248, 113, 113, 0.12); color: var(--red); }
.auth-key {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--amber);
  border: 1px solid rgba(251, 191, 36, 0.4);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

/* Metrics */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 1.2rem;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.3rem;
}
.stat-value { font-size: 1.7rem; font-weight: 700; margin: 0; color: var(--amber); }
.stat-label { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.85rem; }
.chart-card { margin-bottom: 1.2rem; }
#latChart { width: 100%; display: block; }
.legend { display: flex; gap: 1.2rem; margin-top: 0.6rem; font-size: 0.85rem; color: var(--muted); }
.sw { display: inline-block; width: 14px; height: 3px; border-radius: 2px; margin-right: 0.4rem; vertical-align: middle; }
.sw-amber { background: var(--amber); }
.sw-teal { background: var(--teal); }

.metrics-grid { display: grid; gap: 1.2rem; }
.status-bars { display: grid; gap: 0.6rem; }
.status-bar-row { display: grid; grid-template-columns: 52px 1fr 44px; gap: 0.7rem; align-items: center; font-family: var(--mono); font-size: 0.8rem; }
.status-bar-track { height: 8px; background: var(--bg-soft); border-radius: 4px; overflow: hidden; }
.status-bar-fill { height: 100%; background: var(--teal); border-radius: 4px; }
.status-bar-fill.e4 { background: var(--amber); }
.status-bar-fill.e5 { background: var(--red); }

/* Tables */
.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.data-table th, .data-table td {
  text-align: left;
  padding: 0.6rem 0.7rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.data-table th { color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }
.data-table td.mono, .data-table .mono { font-size: 0.8rem; }
.pill {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}
.pill.live { color: var(--green); border-color: rgba(52, 211, 153, 0.4); }
.pill.dead { color: var(--red); border-color: rgba(248, 113, 113, 0.4); }

/* Keys */
.keys-grid { display: grid; gap: 1.2rem; }
.new-key {
  margin-top: 1rem;
  background: var(--amber-dim);
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: 8px;
  padding: 0.9rem;
}
.new-key-label { margin: 0 0 0.5rem; font-size: 0.85rem; font-weight: 600; color: var(--amber); }
.new-key-label em { font-style: normal; font-weight: 400; }
.new-key-row { display: flex; gap: 0.6rem; align-items: center; }
.new-key-row code {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  background: rgba(0, 0, 0, 0.35);
  padding: 0.5rem 0.7rem;
  border-radius: 6px;
  color: var(--amber);
}
.link-btn {
  background: none;
  border: none;
  color: var(--red);
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
}
.link-btn:hover { text-decoration: underline; }

/* Docs */
.validation-card { margin-top: 1.2rem; }
.validation-card ol { margin: 0.6rem 0 1rem; padding-left: 1.3rem; color: var(--muted); }
.validation-card li { margin-bottom: 0.4rem; }
.validation-card strong { color: var(--text); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0;
  margin-top: 2rem;
}
.footer-inner p { margin: 0.3rem 0; }

/* Breakpoints */
@media (min-width: 768px) {
  .hero-visual { display: block; }
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
  .metrics-grid { grid-template-columns: 1fr 1.4fr; }
  .keys-grid { grid-template-columns: 1fr 1.4fr; align-items: start; }
}

@media (min-width: 1024px) {
  .hero-inner { grid-template-columns: 1.2fr 0.8fr; }
  .sandbox-grid { grid-template-columns: 1.05fr 0.95fr; align-items: start; }
  .site-nav { gap: 1.75rem; }
}

/* Theme toggle */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  color: var(--amber);
  flex-shrink: 0;
}
.theme-toggle:hover { border-color: var(--amber); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn { transition: none; }
}