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

:root {
  --bg-0: #08080f;
  --bg-1: #0d0d17;
  --bg-2: #12121e;
  --bg-3: #1a1a28;
  --surface: #1e1e2e;
  --border: rgba(255,255,255,0.07);
  --border-strong: rgba(255,255,255,0.14);
  --text-primary: rgba(255,255,255,0.92);
  --text-secondary: rgba(255,255,255,0.55);
  --text-muted: rgba(255,255,255,0.28);
  --accent: #D4A017;
  --accent-dim: rgba(212,160,23,0.15);
  --accent-border: rgba(212,160,23,0.35);
  --green: #22c55e;
  --green-dim: rgba(34,197,94,0.12);
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

html, body { height: 100%; background: var(--bg-0); color: var(--text-primary); }
[hidden] { display: none !important; }

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

input {
  font-family: inherit;
  font-size: inherit;
  background: var(--bg-3);
  border: 0.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 14px;
  width: 100%;
  outline: none;
  transition: border-color 0.15s;
}
input:focus { border-color: var(--accent); }
input::placeholder { color: var(--text-muted); }

.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;
}

/* ── Multi-plex brand ─────────────────────────────────────── */
.brand-multi { color: rgba(255,255,255,0.92); font-weight: 700; letter-spacing: -0.02em; }
.brand-plex  { color: #F0C040; font-weight: 700; letter-spacing: -0.02em; }

/* ── Primary action button ──────────────────────────────── */
.btn-primary {
  background: var(--accent);
  color: #0d0d17;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-primary:hover { background: #b88a00; }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; }