/* Z6 AI Engine - Standalone Stylesheet */
/* Free for personal use. Commercial use requires license acquisition. */
/* Patent Pending: SE-250001 | Inventor: Robert Fogeborg 8810057235 */

:root {
  --bg: #0a0a0f;
  --bg2: #12121a;
  --bg3: #1a1a26;
  --text: #e8e8f0;
  --muted: #8888a0;
  --border: #2a2a3a;
  --accent: #7B61FF;
  --accent2: #a892ff;
  --green: #3dffa0;
  --red: #ff3d5c;
  --amber: #ffc107;
  --cyan: #00e5ff;
  --radius: 12px;
  --radius-sm: 8px;
  --mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Nav ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 24px; height: 56px;
}
.nav-logo { font-size: 20px; font-weight: 800; text-decoration: none; color: var(--text); letter-spacing: -0.5px; }
.nav-logo span { color: var(--accent2); }
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 8px 14px; font-size: 13px; font-weight: 500;
  text-decoration: none; color: var(--muted); border-radius: var(--radius-sm);
  transition: all .15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--bg3); }
.nav-toggle { display: none; background: none; border: none; color: var(--text); font-size: 24px; cursor: pointer; }

/* ── Sections ── */
section {
  max-width: 1100px; margin: 0 auto; padding: 64px 24px;
  border-bottom: 1px solid var(--border);
}
section:first-of-type { padding-top: 48px; }
section h2 { font-size: 32px; font-weight: 700; letter-spacing: -1px; margin-bottom: 8px; }
.section-lead { color: var(--muted); font-size: 16px; max-width: 600px; margin-bottom: 24px; }

/* ── Hero ── */
#hero { text-align: center; padding: 80px 24px 60px; border: none; }
#hero h1 { font-size: 56px; font-weight: 800; letter-spacing: -2px; line-height: 1.05; }
#hero h1 span { background: linear-gradient(135deg,#a892ff,#3dffa0); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
#hero .subtitle { color: var(--muted); font-size: 18px; max-width: 650px; margin: 16px auto; line-height: 1.5; }
#hero .badge-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 20px; }
#hero .badge { padding: 8px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; border: 1px solid var(--border); background: var(--bg3); color: var(--text); }
#hero .badge.grn { background: rgba(61,255,160,0.1); border-color: rgba(61,255,160,0.3); color: var(--green); }
#hero .badge.prp { background: rgba(123,97,255,0.1); border-color: rgba(123,97,255,0.3); color: var(--accent2); }

/* ── Cards ── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card h4 { font-size: 12px; font-weight: 600; color: var(--accent2); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.card .stat { font-size: 36px; font-weight: 700; font-family: var(--mono); }
.card .stat.grn { color: var(--green); }
.card .stat.prp { color: var(--accent2); }
.card .stat.amb { color: var(--amber); }
.card .stat.cyan { color: var(--cyan); }
.card p { color: var(--muted); font-size: 14px; line-height: 1.5; }

/* ── Buttons ── */
.btn { background: var(--accent2); color: #000; border: none; padding: 10px 22px; border-radius: var(--radius-sm); font-weight: 600; font-size: 14px; cursor: pointer; transition: opacity .15s; display: inline-flex; align-items: center; gap: 6px; }
.btn:hover { opacity: 0.85; }
.btn:disabled { opacity: 0.35; cursor: default; }
.btn.sm { padding: 6px 14px; font-size: 12px; }
.btn.grn { background: var(--green); color: #000; }
.btn.amb { background: var(--amber); color: #000; }
.btn.outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn.outline:hover { background: var(--bg3); }

/* ── Sliders ── */
.slider-row { display: grid; grid-template-columns: repeat(6,1fr); gap: 8px; margin-bottom: 16px; }
.slider-group { text-align: center; }
.slider-group label { font-size: 11px; color: var(--muted); display: block; margin-bottom: 4px; font-family: var(--mono); }
.slider-group input[type=range] { width: 100%; accent-color: var(--accent2); }
.slider-group .slider-val { font-size: 20px; font-weight: 700; font-family: var(--mono); margin-top: 2px; }

/* ── Code / Trace blocks ── */
.trace-block { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 14px; margin-bottom: 8px; font-family: var(--mono); font-size: 11px; line-height: 1.6; }
.trace-block .lbl { color: var(--muted); }
.trace-block .out { color: var(--green); }
.trace-block .arch { color: var(--accent2); font-weight: 600; }

.code-block { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; font-family: var(--mono); font-size: 11px; line-height: 1.6; overflow-x: auto; white-space: pre; color: var(--muted); max-height: 480px; overflow-y: auto; }

/* ── Auth grid ── */
.auth-grid { display: grid; gap: 4px; }
.auth-cell { border-radius: 4px; padding: 6px 3px; text-align: center; font-family: var(--mono); font-size: 9px; }

/* ── Metrics ── */
.metrics { font-size: 13px; }
.metrics > div { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--border); }
.metrics > div:last-child { border: none; }
.metrics .k { color: var(--muted); }
.metrics .v { font-weight: 600; }
.metrics .v.grn { color: var(--green); }
.metrics .v.red { color: var(--red); }
.metrics .v.prp { color: var(--accent2); }

/* ── Table ── */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; }
tr:hover { background: rgba(255,255,255,0.02); }

/* ── Footer ── */
footer { max-width: 1100px; margin: 0 auto; padding: 32px 24px; text-align: center; }
footer .badge-row { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
footer .badge { padding: 6px 14px; border-radius: 16px; font-size: 11px; font-weight: 600; border: 1px solid var(--border); background: var(--bg3); }
footer .badge.grn { background: rgba(61,255,160,0.1); border-color: rgba(61,255,160,0.3); color: var(--green); }
footer .badge.prp { background: rgba(123,97,255,0.1); border-color: rgba(123,97,255,0.3); color: var(--accent2); }
footer .badge.amb { background: rgba(255,193,7,0.1); border-color: rgba(255,193,7,0.3); color: var(--amber); }
footer .legal { color: var(--muted); font-size: 11px; line-height: 1.6; }

/* ── Canvas ── */
.canvas-wrap { min-height: unset; }
.canvas-wrap canvas { width: 100%; }

/* ── Utilities ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mb-12 { margin-bottom: 12px; }
.gap-8 { gap: 8px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }

.callout { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13px; border-left: 3px solid; }
.callout.grn { background: rgba(61,255,160,0.05); border-color: var(--green); }
.callout.prp { background: rgba(123,97,255,0.05); border-color: var(--accent); }
.callout.red { background: rgba(255,61,92,0.05); border-color: var(--red); }

/* ── Responsive ── */
@keyframes spin { to { transform: rotate(360deg); } }
#initError { color: var(--red); font-family: var(--mono); font-size: 13px; white-space: pre-wrap; padding: 20px; max-width: 600px; margin: 40px auto; background: #1a0e17; border: 1px solid var(--red); border-radius: 8px; }

@media(max-width:768px) {
  #hero h1 { font-size: 32px; }
  .slider-row { grid-template-columns: repeat(3,1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .nav-links { display: none; position: absolute; top: 56px; left: 0; right: 0; background: var(--bg); flex-direction: column; padding: 8px; border-bottom: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
}