/* KYE Sandbox — console-style dark theme. */

:root {
  --bg: #08090f;
  --paper: #0f1119;
  --paper-2: #161826;
  --paper-3: #1f2236;
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #e7eaf3;
  --text-muted: #a3aac0;
  --text-dim: #6f7691;
  --accent: #22d3ee;
  --accent-2: #67e8f9;
  --accent-soft: rgba(34, 211, 238, 0.12);
  --success: #4ade80;
  --warning: #fbbf24;
  --danger: #f87171;
  --info: #60a5fa;
  --mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, system-ui, sans-serif;
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 13.5px;
  line-height: 1.55;
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(34, 211, 238, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(124, 58, 237, 0.06), transparent 60%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code, pre { font-family: var(--mono); font-size: 12.5px; }
pre {
  background: #05060b;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  overflow-x: auto;
  margin: 0;
  color: #cbd5e1;
}

.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 0 24px; height: 52px;
  background: rgba(15, 17, 25, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 14px; }
.brand-mark {
  width: 26px; height: 26px;
  border-radius: 6px;
  background: linear-gradient(135deg, #22d3ee, #6366f1);
  display: grid; place-items: center;
  color: #04060a; font-weight: 800; font-size: 12px;
}
.nav { display: flex; gap: 4px; flex: 1; }
.nav a {
  color: var(--text-muted); padding: 6px 11px;
  border-radius: 6px; font-size: 12.5px; font-weight: 500;
  font-family: var(--mono);
}
.nav a:hover { background: var(--paper-2); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--accent-soft); color: var(--accent); }
.topbar-right { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--text-dim); }
.term-prompt { color: var(--accent); font-family: var(--mono); }

.page { max-width: 1280px; margin: 0 auto; padding: 26px 24px 60px; }
.page-header { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.page-title { font-size: 22px; font-weight: 700; margin: 0 0 4px; letter-spacing: -0.01em; }
.page-sub { color: var(--text-muted); font-size: 13px; margin: 0; }

.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-2-asym { grid-template-columns: 7fr 5fr; }
@media (max-width: 900px) { .grid-2, .grid-2-asym { grid-template-columns: 1fr; } }

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.panel-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex; align-items: center; justify-content: space-between;
}
.panel-body { padding: 16px; }

label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin: 12px 0 4px;
  font-weight: 600;
}
input.kye, select.kye, textarea.kye {
  width: 100%;
  background: var(--paper-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
  font-family: var(--mono);
}
textarea.kye { min-height: 90px; resize: vertical; }
input.kye:focus, select.kye:focus, textarea.kye:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
button.kye {
  background: var(--accent);
  color: #04060a;
  border: 0;
  padding: 9px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--mono);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
button.kye:hover { background: var(--accent-2); }
button.kye-ghost {
  background: var(--paper-2);
  color: var(--text);
  border: 1px solid var(--line);
}

.pill { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.pill-ok    { background: rgba(74,222,128,.12); color: var(--success); }
.pill-warn  { background: rgba(251,191,36,.12); color: var(--warning); }
.pill-info  { background: rgba(96,165,250,.12); color: var(--info); }
.pill-bad   { background: rgba(248,113,113,.12); color: var(--danger); }
.pill-muted { background: var(--paper-3); color: var(--text-muted); }
.pill-accent{ background: var(--accent-soft); color: var(--accent); }

.demo-note {
  font-size: 11.5px; padding: 8px 14px;
  background: rgba(96,165,250,.10); color: var(--info);
  border-radius: 6px; border: 1px solid rgba(96,165,250,.18);
  display: inline-block;
}

footer.kye-footer {
  margin-top: 60px; padding: 24px 28px;
  border-top: 1px solid var(--line);
  font-size: 12px; color: var(--text-dim);
  text-align: center;
  font-family: var(--mono);
}
.muted { color: var(--text-muted); }

.score-bar {
  height: 8px; background: var(--paper-2); border-radius: 4px; overflow: hidden;
  border: 1px solid var(--line);
}
.score-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--danger), var(--warning), var(--success));
  transition: width 0.4s;
}

table.kye { width: 100%; border-collapse: collapse; font-size: 12.5px; }
table.kye th, table.kye td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--line); }
table.kye thead th { background: var(--paper-2); color: var(--text-dim); font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
table.kye td.mono { font-family: var(--mono); color: var(--text-muted); }

.mermaid-host {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  overflow-x: auto;
}

/* === Mobile safety net (added to fix sev0 horizontal scroll) === */
html, body { overflow-x: hidden; max-width: 100vw; }
* { box-sizing: border-box; }
img, video, iframe, svg, canvas { max-width: 100%; height: auto; }
pre, code { max-width: 100%; overflow-x: auto; word-break: normal; }
table { display: block; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }

@media (max-width: 760px) {
  .topbar, .top, header.top, header.topbar, .header { flex-wrap: wrap !important; row-gap: 8px; padding: 10px 12px !important; }
  .topbar-right, .topbar .right, .top-right { width: 100%; justify-content: flex-start; font-size: 11px; flex-wrap: wrap; }
  .nav { flex-wrap: wrap !important; row-gap: 4px; gap: 2px !important; flex: 1 1 100% !important; margin-left: 0 !important; }
  .nav a { font-size: 12.5px; padding: 6px 10px !important; }
  .layout, .grid-2, .grid-3, .grid-4, .grid-2-asym, .split { grid-template-columns: 1fr !important; }
  .container, .wrap, main, section { max-width: 100% !important; }
  .hero, h1 { font-size: clamp(22px, 6vw, 30px) !important; line-height: 1.15; }
  h2 { font-size: clamp(18px, 5vw, 24px) !important; }
  .stat, .badge, .chip, .pill { font-size: 11px !important; }
  .card, .row, .panel { padding: 12px !important; }
  .term-prompt, .topbar-right .meta, .top-meta { display: none; }
}
@media (max-width: 420px) {
  .nav a { font-size: 12px; padding: 5px 8px !important; }
  body { font-size: 14px; }
}