/* Kardolive developer docs — shared styles */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0c10;
  --bg-elev-1: #11141a;
  --bg-elev-2: #171a20;
  --border: #20232a;
  --text: #e6e9ef;
  --text-dim: #a8b0bd;
  --text-mute: #6e7178;
  --primary: #00d2ff;
  --primary-dim: rgba(0,210,255,0.15);
  --success: #21d672;
  --warning: #f5a524;
  --danger: #ef4444;
  --radius: 8px;
  --radius-lg: 12px;
  --code-bg: #0c0f14;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

aside.nav {
  background: var(--bg-elev-1);
  border-right: 1px solid var(--border);
  padding: 22px 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

aside.nav .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  margin-bottom: 4px;
}
aside.nav .brand::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 28px;
  background-image: url('https://kardocloud.com/brand/logo-icon-128.png');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
}
aside.nav .brand small {
  color: var(--text-mute);
  font-weight: 400;
  display: block;
  font-size: 11px;
  margin-top: 2px;
}

aside.nav h4 {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-mute);
  margin: 24px 0 8px;
  font-weight: 700;
}

aside.nav a {
  display: block;
  padding: 5px 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  border-radius: 6px;
  margin-bottom: 2px;
}
aside.nav a:hover { background: var(--bg-elev-2); color: var(--text); }
aside.nav a.active { background: var(--primary-dim); color: var(--primary); font-weight: 600; }

main.content {
  padding: 36px 56px 80px;
  max-width: 920px;
  width: 100%;
}

h1 {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
h1 + .subtitle {
  color: var(--text-mute);
  font-size: 15px;
  margin-bottom: 32px;
}

h2 {
  font-size: 22px;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 16px;
  font-weight: 600;
  margin-top: 24px;
  margin-bottom: 8px;
}

p, ul, ol {
  margin-bottom: 14px;
}

ul, ol {
  padding-left: 24px;
}
li { margin-bottom: 4px; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
  font-size: 0.88em;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--primary);
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  overflow-x: auto;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12.5px;
  line-height: 1.55;
  margin: 8px 0 16px;
  position: relative;
}
pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
}

.lang-tag {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-mute);
  background: var(--bg-elev-2);
  padding: 2px 8px;
  border-radius: 4px;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 60px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}
.copy-btn:hover { background: var(--primary-dim); color: var(--primary); border-color: var(--primary); }
.copy-btn.ok { color: var(--success); border-color: var(--success); }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
th, td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13.5px;
}
th {
  background: var(--bg-elev-2);
  font-weight: 600;
  color: var(--text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
tr:last-child td { border-bottom: none; }

.callout {
  border-left: 3px solid var(--primary);
  background: var(--primary-dim);
  padding: 12px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 12px 0 20px;
  font-size: 14px;
}
.callout.warn { border-left-color: var(--warning); background: rgba(245,165,36,0.08); }
.callout.danger { border-left-color: var(--danger); background: rgba(239,68,68,0.08); }

.callout strong { color: var(--text); }
.callout p { margin-bottom: 0; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin: 12px 0 20px;
}
.cards a {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  color: var(--text);
  text-decoration: none;
  transition: all 0.15s;
  display: block;
}
.cards a:hover {
  border-color: var(--primary);
  text-decoration: none;
  transform: translateY(-1px);
}
.cards a .title { font-weight: 600; margin-bottom: 4px; }
.cards a .desc { color: var(--text-mute); font-size: 13px; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--bg-elev-2);
  color: var(--text-dim);
  border: 1px solid var(--border);
  vertical-align: middle;
}
.badge.success { background: rgba(33,214,114,0.12); color: var(--success); border-color: rgba(33,214,114,0.3); }
.badge.warn { background: rgba(245,165,36,0.12); color: var(--warning); border-color: rgba(245,165,36,0.3); }
.badge.danger { background: rgba(239,68,68,0.12); color: var(--danger); border-color: rgba(239,68,68,0.3); }
.badge.primary { background: var(--primary-dim); color: var(--primary); border-color: rgba(0,210,255,0.3); }

hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }

.toc {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 28px;
  font-size: 13.5px;
}
.toc h4 { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-mute); margin-bottom: 8px; }
.toc ul { list-style: none; padding-left: 0; margin: 0; }
.toc li { margin-bottom: 2px; }
.toc a { color: var(--text-dim); }
.toc a:hover { color: var(--primary); }

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
  aside.nav { position: relative; height: auto; }
  main.content { padding: 20px; }
}