/* ══════════════════════════════════════════════════════════════
   demo.css — Chrome styles shared by all view pages
   ══════════════════════════════════════════════════════════════ */

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

:root {
  --at-bg-deep:     #0c0c10;
  --at-bg-card:     #1a1a20;
  --dot-grid:       radial-gradient(circle, rgba(255,255,255,0.025) 1px, transparent 1px);
}

html, body { height: 100%; overflow: hidden; }
body {
  background: var(--at-bg-deep);
  color: var(--at-text);
  font-family: var(--at-sans);
  display: flex; flex-direction: column;
}

/* ── Top bar ── */
#chrome {
  flex-shrink: 0;
  border-bottom: 1px solid var(--at-border);
  display: flex; flex-direction: column;
}
#top-bar {
  padding: 10px 20px;
  display: flex; align-items: center; gap: 14px;
  font-family: var(--at-mono); font-size: 10px;
  letter-spacing: 2px; color: var(--at-text-dim);
}
#top-bar .logo { color: var(--at-accent); font-weight: 700; font-size: 11px; letter-spacing: 3px; text-decoration: none; }
#top-bar .sep  { color: var(--at-border); }
#top-bar .tagline { color: var(--at-text-dim); font-size: 9px; letter-spacing: 1.5px; }
#top-bar .right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
#content-badge {
  font-family: var(--at-mono); font-size: 9px;
  padding: 3px 8px; border-radius: 3px;
  background: var(--at-accent-glow); color: var(--at-accent);
  border: 1px solid rgba(232,64,48,0.15);
  letter-spacing: 1px;
}

/* ── Nav links ── */
#view-nav {
  padding: 0 20px;
  display: flex; gap: 2px;
}
.vnav {
  font-family: var(--at-mono); font-size: 9px;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 8px 14px;
  color: var(--at-text-dim);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}
.vnav:hover { color: var(--at-text-sec); }
.vnav.active {
  color: var(--at-accent);
  border-bottom-color: var(--at-accent);
  background: var(--at-accent-glow);
}

/* ── View host ── */
#view-host {
  flex: 1; position: relative; overflow: auto;
}

/* ── Explainer bar ── */
#explainer {
  flex-shrink: 0;
  padding: 8px 20px;
  border-top: 1px solid var(--at-border);
  font-family: var(--at-mono); font-size: 9px;
  letter-spacing: 1px; color: var(--at-text-dim);
  display: flex; align-items: center; gap: 16px;
}
#explainer .expl-key { color: var(--at-accent); }

/* ── Provenance chip ── */
.provenance {
  font-family: var(--at-mono); font-size: 7px;
  letter-spacing: 1px; color: var(--at-text-dim);
  padding: 4px 10px;
  border-top: 1px solid rgba(255,255,255,0.03);
  display: flex; align-items: center; gap: 6px;
  opacity: 0.6;
}
.provenance .pv-dot {
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--at-accent); opacity: 0.5;
}

/* ── Modal ── */
#modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
  z-index: 500;
  align-items: center; justify-content: center;
}
#modal-overlay.open { display: flex; }
#modal-box {
  background: var(--at-bg);
  border: 1px solid var(--at-border);
  border-top: 2px solid var(--at-accent);
  border-radius: 8px;
  width: min(520px, 92vw);
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 24px 60px rgba(0,0,0,0.6);
  position: relative;
}
#modal-close {
  position: absolute; top: 10px; right: 14px;
  background: none; border: none; color: var(--at-text-dim);
  font-size: 20px; cursor: pointer; z-index: 10;
  transition: color 0.1s;
}
#modal-close:hover { color: var(--at-text); }
#modal-header {
  padding: 14px 16px 8px;
  font-family: var(--at-mono); font-size: 9px;
  letter-spacing: 2px; color: var(--at-text-dim);
  border-bottom: 1px solid var(--at-border);
  display: flex; align-items: center; gap: 8px;
}
#modal-header .modal-tpl-icon { color: var(--at-accent); font-size: 12px; }
#modal-body { padding: 0; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--at-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #3a3a42; }