/* base.css — shared shell: tokens, demo badge, toast, buttons.
   No framework, no build step. Every demo page loads this first. */

:root {
  --bg:            #f3f4f6;
  --bg-card:       #ffffff;
  --bg-hover:      #f9fafb;
  --border:        #e5e7eb;

  --text-primary:   #111827;
  --text-secondary: #6b7280;
  --text-muted:     #9ca3af;

  --accent:        #2563eb;
  --accent-light:  #eff6ff;
  --accent-green:  #059669;
  --accent-green-light: #ecfdf5;
  --accent-yellow: #d97706;
  --accent-yellow-light: #fffbeb;
  --accent-red:    #dc2626;
  --accent-red-light: #fef2f2;

  --radius:    10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow:    0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.04);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; height: auto; }
a { color: inherit; }

/* ── The badge that never goes away ───────────────────────────────────────── */
.demo-badge {
  position: fixed;
  z-index: 9999;
  right: 0.9rem;
  bottom: calc(0.9rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  align-items: center;
  gap: 0.55rem;
  max-width: min(22rem, calc(100vw - 1.8rem));
  padding: 0.6rem 0.85rem;
  border-radius: 999px;
  background: #111827;
  color: #fff;
  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
  font-size: 0.76rem;
  line-height: 1.35;
  pointer-events: none;
}
.demo-badge-tag {
  flex-shrink: 0;
  background: #f59e0b;
  color: #111827;
  font-weight: 900;
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
}
.demo-badge-text { min-width: 0; }
.demo-badge-text b { display: block; font-weight: 700; }
.demo-badge-text span { opacity: 0.75; }
/* The badge ignores clicks so it never blocks the UI underneath -- except
   its own link, which has to stay reachable. */
.demo-badge a { pointer-events: auto; font-weight: 700; }

/* ── Toast shown whenever a disabled control is tapped ────────────────────── */
.demo-toast {
  position: fixed;
  z-index: 9998;
  left: 50%;
  bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
  transform: translate(-50%, 1rem);
  padding: 0.65rem 1rem;
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.94);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
  max-width: calc(100vw - 2rem);
  text-align: center;
}
.demo-toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ── Bits both pages use ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-primary);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  transition: border-color 150ms ease, transform 150ms ease;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: scale(0.98); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--primary:hover { filter: brightness(1.06); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.01em;
}
.pill--live  { background: var(--accent-green-light); color: var(--accent-green); }
.pill--demo  { background: var(--accent-light); color: var(--accent); }
.pill--soon  { background: var(--bg-hover); color: var(--text-muted); }
.pill--admin { background: var(--accent-yellow-light); color: var(--accent-yellow); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

@media (max-width: 520px) {
  .demo-badge { left: 0.9rem; right: 0.9rem; max-width: none; }
}