:root {
  --ink: #0f1c24;
  --muted: #5a6b75;
  --paper: #f3f1ea;
  --panel: rgba(255, 255, 255, 0.72);
  --line: rgba(15, 28, 36, 0.12);
  --accent: #0f8f7a;
  --accent-ink: #04352e;
  --warn: #b15c1a;
  --danger: #a12828;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --sans: "DM Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(15, 143, 122, 0.18), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(15, 28, 36, 0.08), transparent 50%),
    linear-gradient(180deg, #e8e4d8 0%, var(--paper) 40%, #e4ece9 100%);
  background-attachment: fixed;
}

a { color: var(--accent-ink); }
a:hover { color: var(--accent); }

.page {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}
.brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--ink);
}
nav { display: flex; gap: 0.6rem; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #f4fffb;
}
.btn-primary:hover { background: #0c7a68; }
.btn-ghost { background: rgba(255,255,255,0.45); }

.pill {
  font-family: var(--mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.55);
}
.pill.live { border-color: var(--accent); color: var(--accent-ink); }
.pill.warn { border-color: var(--warn); color: var(--warn); }
.pill.err { border-color: var(--danger); color: var(--danger); }

.hero {
  padding: 1.5rem 0 2rem;
  animation: rise 0.6s ease both;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}
h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
}
.lede {
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--muted);
  max-width: 38rem;
  margin: 0 0 1.4rem;
}
.lede.tight { font-size: 0.98rem; margin-bottom: 1.1rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 0.7rem; }

section { margin: 2.4rem 0; animation: rise 0.7s ease both; }
section h2 {
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.8rem;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}
.steps li {
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--panel);
  backdrop-filter: blur(8px);
}

pre, .log, .avail-box {
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.45;
  background: #122027;
  color: #d7ebe4;
  padding: 1rem;
  border-radius: 12px;
  overflow: auto;
}
pre code { font: inherit; color: inherit; }

.endpoints {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.endpoints th, .endpoints td {
  text-align: left;
  padding: 0.55rem 0.4rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.endpoints code { font-family: var(--mono); font-size: 0.8rem; }

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Dashboard */
.dash-grid {
  display: grid;
  grid-template-columns: minmax(280px, 360px) 1fr;
  gap: 1.25rem;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.2rem;
  backdrop-filter: blur(10px);
  animation: rise 0.55s ease both;
}
.panel h1 {
  font-size: 1.8rem;
  margin: 0 0 0.4rem;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
}
.panel-head h2 { margin: 0; font-size: 1.05rem; }
.muted { color: var(--muted); }
.hint { font-size: 0.8rem; margin: -0.15rem 0 0.25rem; font-weight: 500; }

form {
  display: grid;
  gap: 0.75rem;
}
label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
}
input, select {
  font: inherit;
  font-weight: 500;
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.8);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
}
.row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.avail-box { min-height: 4.5rem; max-height: 10rem; }
.log {
  min-height: 14rem;
  max-height: 22rem;
  margin: 0.75rem 0 0;
  white-space: pre-wrap;
}
.viz {
  margin-top: 0.6rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.6rem;
  background: rgba(255,255,255,0.55);
}
.viz canvas { width: 100%; height: auto; display: block; }
.viz-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 0.35rem;
  font-family: var(--mono);
  font-size: 0.8rem;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 860px) {
  .dash-grid { grid-template-columns: 1fr; }
  .row2 { grid-template-columns: 1fr; }
}