/* Obita Docs — Stripe/PayPal-inspired enterprise layout
   - Clean typography, generous whitespace
   - Subtle borders, clear hierarchy
   - Light-first with automatic dark mode
*/
:root{
  --bg:#f6f8fb;
  --panel:#ffffff;
  --panel2:#fbfcff;
  --text:#0f172a;
  --muted:#475569;
  --muted2:#64748b;
  --border:rgba(15,23,42,.10);
  --border2:rgba(15,23,42,.06);
  --brand:#2f5cff;   /* Obita accent */
  --brand2:#6b5cff;
  --success:#0f766e;
  --warn:#b45309;
  --danger:#b91c1c;
  --codebg:#0b1020;
  --codefg:#eaf0ff;
  --shadow:0 10px 30px rgba(15,23,42,.10);
  --radius:14px;
  --radius2:10px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --sidebar: 296px;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#0b0f17;
    --panel:#0f1522;
    --panel2:#0c111d;
    --text:#e6e9ef;
    --muted:#a8b0c2;
    --muted2:#93a4c6;
    --border:rgba(255,255,255,.10);
    --border2:rgba(255,255,255,.06);
    --brand:#5b8cff;
    --brand2:#8a7dff;
    --shadow:0 12px 34px rgba(0,0,0,.35);
    --codebg:#0a0e16;
    --codefg:#e8eeff;
  }
}

*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a{color:var(--brand); text-decoration:none;}
a:hover{text-decoration:underline;}
code{
  font-family:var(--mono);
  font-size: .92em;
}
kbd{
  font-family:var(--mono);
  font-size:12px;
  padding:2px 6px;
  border:1px solid var(--border);
  border-bottom-width:2px;
  border-radius:8px;
  background:var(--panel2);
  color:var(--muted);
}

.layout{
  display:grid;
  grid-template-columns: var(--sidebar) 1fr;
  min-height:100vh;
}

.sidebar{
  position:sticky;
  top:0;
  height:100vh;
  border-right:1px solid var(--border);
  padding:18px 16px 14px;
  background:linear-gradient(180deg, var(--panel2), transparent);
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 10px 12px;
  border-radius:12px;
}
.logo{
  width:34px;height:34px;border-radius:10px;
  background:radial-gradient(circle at 30% 30%, var(--brand2), var(--brand));
  box-shadow:var(--shadow);
}
.brand h1{
  font-size:13px;
  margin:0;
  letter-spacing:.2px;
  line-height:1.2;
}
.brand .sub{
  display:block;
  font-size:11px;
  color:var(--muted);
  margin-top:2px;
}

.search{
  margin:10px 10px 12px;
  padding:10px 10px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--panel);
  color:var(--text);
  font-size:12px;
}
.search::placeholder{color:var(--muted2);}

.nav{
  margin-top:2px;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.nav a{
  padding:10px 10px;
  border-radius:12px;
  color:var(--text);
  border:1px solid transparent;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.nav a .t{font-size:13px; font-weight:600;}
.nav a .d{font-size:12px; color:var(--muted);}
.nav a.active{
  background:var(--panel);
  border-color:var(--border);
  box-shadow:var(--shadow);
}
.nav a:hover{
  background:rgba(47,92,255,.06);
  border-color:rgba(47,92,255,.18);
  text-decoration:none;
}

.sidebar-footer{
  margin-top:14px;
  padding:10px 10px;
  border-radius:12px;
  border:1px solid var(--border2);
  color:var(--muted);
  font-size:12px;
}

.main{
  padding:22px 26px 64px;
}

.container{
  max-width: 1080px;
  margin:0 auto;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin: 2px 0 16px;
  padding: 10px 14px;
  border:1px solid var(--border2);
  border-radius: 14px;
  background: rgba(255,255,255,.35);
  backdrop-filter: blur(10px);
}
@media (prefers-color-scheme: dark){
  .topbar{ background: rgba(15,21,34,.65); }
}
.topbar .left{
  display:flex;
  align-items:center;
  gap:10px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(47,92,255,.20);
  background:rgba(47,92,255,.10);
  color:var(--text);
  font-size:12px;
}
.topbar .right{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-size:12px;
}
.topbar .right a{color:var(--muted);}
.topbar .right a:hover{color:var(--brand); text-decoration:none;}

.hero{
  padding:22px 22px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.hero h2{
  margin:0 0 8px;
  font-size:24px;
  letter-spacing:-0.2px;
}
.hero p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}

.grid{
  margin-top:16px;
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:14px;
}
.card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px 16px;
  box-shadow: 0 1px 0 rgba(15,23,42,.02);
}
.card h3{
  margin:0 0 6px;
  font-size:14px;
  letter-spacing:-0.1px;
}
.card p{
  margin:0;
  color:var(--muted);
  font-size:13px;
}

.section{margin-top:18px;}
.section h3{
  margin:0 0 10px;
  font-size:16px;
  letter-spacing:-0.1px;
}
.kv{
  display:grid;
  grid-template-columns: 190px 1fr;
  gap:10px 14px;
  font-size:13px;
  margin-top:10px;
}
.kv .k{color:var(--muted);}

pre{
  background:var(--codebg);
  color:var(--codefg);
  padding:14px 14px;
  border-radius:12px;
  overflow:auto;
  border:1px solid rgba(255,255,255,.10);
  font-family:var(--mono);
  font-size:12px;
}

table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
  font-size:13px;
}
th,td{
  padding:10px 10px;
  border-bottom:1px solid var(--border2);
  vertical-align:top;
}
th{
  color:var(--muted);
  text-align:left;
  font-weight:700;
  background:linear-gradient(180deg, rgba(255,255,255,.04), transparent);
}
tr:last-child td{border-bottom:none;}

.callout{
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:var(--panel2);
  color:var(--text);
  font-size:13px;
}
.callout strong{color:var(--text);}
.callout.info{border-color:rgba(47,92,255,.25); background:rgba(47,92,255,.08);}
.callout.warn{border-color:rgba(180,83,9,.30); background:rgba(180,83,9,.10);}
.callout.ok{border-color:rgba(15,118,110,.30); background:rgba(15,118,110,.10);}

.small{font-size:12px;color:var(--muted);}

hr.sep{
  border:0;
  border-top:1px solid var(--border2);
  margin:18px 0;
}

.footer{
  margin-top:26px;
  color:var(--muted);
  font-size:12px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}

@media (max-width: 980px){
  .layout{grid-template-columns:1fr;}
  .sidebar{height:auto; position:relative;}
  .grid{grid-template-columns:1fr;}
  .kv{grid-template-columns:1fr;}
}