:root {
  color-scheme: dark;
  --bg: #0d0b10;
  --panel: rgba(28, 24, 35, 0.86);
  --panel-strong: #18141f;
  --ink: #f8f3e9;
  --muted: #b9ad9d;
  --line: rgba(255,255,255,0.13);
  --accent: #ffb454;
  --accent-2: #7dd3fc;
  --cat: #f6d365;
  --danger: #ff7b7b;
  --shadow: 0 24px 80px rgba(0,0,0,0.38);
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% 12%, rgba(255, 180, 84, 0.16), transparent 34rem),
    radial-gradient(circle at 86% 18%, rgba(125, 211, 252, 0.14), transparent 28rem),
    linear-gradient(135deg, #0d0b10 0%, #15111d 56%, #0d0b10 100%);
  color: var(--ink);
}
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.page-glow { position: fixed; inset: auto; width: 22rem; height: 22rem; border-radius: 999px; filter: blur(36px); opacity: .18; pointer-events: none; }
.glow-one { left: -8rem; top: 8rem; background: var(--accent); }
.glow-two { right: -8rem; bottom: 8rem; background: var(--accent-2); }
.topbar {
  position: relative; z-index: 1;
  max-width: 1180px; margin: 0 auto; padding: 1rem clamp(1rem, 3vw, 2rem);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand, .back-link { color: var(--ink); text-decoration: none; }
.brand { display: inline-flex; gap: .55rem; align-items: center; font-weight: 800; letter-spacing: -.02em; }
.back-link { color: var(--muted); font-weight: 700; font-size: .92rem; }
.app-shell { position: relative; z-index: 1; max-width: 1180px; margin: 0 auto; padding: 1.2rem clamp(1rem, 3vw, 2rem) 4rem; }
.hero { max-width: 820px; margin-bottom: 1.5rem; }
.eyebrow, .step-label { text-transform: uppercase; letter-spacing: .15em; color: var(--accent); font-weight: 900; font-size: .72rem; margin: 0 0 .35rem; }
h1 { margin: 0; font-size: clamp(2.35rem, 7vw, 5rem); line-height: .92; letter-spacing: -.07em; }
.hero p:last-child { color: var(--muted); max-width: 720px; font-size: clamp(1rem, 1.6vw, 1.2rem); line-height: 1.65; }
.workspace { display: grid; grid-template-columns: minmax(310px, 420px) minmax(0, 1fr); gap: 1rem; align-items: start; }
.control-panel, .preview-panel {
  background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025)), var(--panel);
  border: 1px solid var(--line); border-radius: 1.4rem; box-shadow: var(--shadow); padding: 1rem;
  backdrop-filter: blur(18px);
}
.panel-heading, .preview-toolbar, .button-row, .export-row { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
h2 { margin: 0; letter-spacing: -.04em; }
.text-button { background: transparent; border: 0; color: var(--accent-2); font-weight: 800; padding: .3rem; }
.form-group { display: grid; gap: .45rem; margin-top: 1rem; }
label { font-weight: 850; color: #fff8ee; }
label span, .hint { color: var(--muted); font-size: .86rem; font-weight: 600; }
input[type="text"], textarea, select {
  width: 100%; border: 1px solid var(--line); border-radius: .9rem; background: rgba(8,7,10,.72); color: var(--ink);
  padding: .85rem .9rem; outline: none;
}
textarea { min-height: 18rem; resize: vertical; line-height: 1.38; }
input:focus, textarea:focus, select:focus { border-color: rgba(255,180,84,.7); box-shadow: 0 0 0 4px rgba(255,180,84,.13); }
.grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.checkbox-row { display: flex; align-items: center; gap: .55rem; font-size: .95rem; }
.checkbox-row input { width: 1.1rem; height: 1.1rem; accent-color: var(--accent); }
.primary-button, .secondary-button {
  min-height: 2.8rem; border-radius: 999px; border: 1px solid transparent; padding: .65rem 1rem; font-weight: 900;
}
.primary-button { background: linear-gradient(135deg, var(--accent), #ff7a59); color: #1a0d05; }
.secondary-button { background: rgba(255,255,255,.06); color: var(--ink); border-color: var(--line); }
.primary-button:hover, .secondary-button:hover { transform: translateY(-1px); }
.preview-panel { position: sticky; top: 1rem; }
.privacy-pill { margin: 0; border: 1px solid rgba(125,211,252,.35); color: var(--accent-2); padding: .35rem .65rem; border-radius: 999px; font-weight: 900; font-size: .75rem; }
.card-frame { margin-top: 1rem; background: #f7efe2; border-radius: 1.25rem; padding: clamp(.7rem, 2vw, 1.1rem); color: #1e1725; }
.bingo-card { background: #fffaf2; border: 2px solid #231827; border-radius: .9rem; padding: .85rem; box-shadow: 0 12px 40px rgba(0,0,0,.18); }
.card-title { margin: 0 0 .65rem; text-align: center; font-size: clamp(1.4rem, 3vw, 2.2rem); line-height: 1; letter-spacing: -.06em; overflow-wrap: anywhere; }
.card-subtitle { margin: -.25rem 0 .75rem; text-align: center; color: #6d5f6f; font-weight: 800; font-size: .85rem; }
.bingo-grid { display: grid; gap: .45rem; aspect-ratio: 1 / 1; }
.bingo-cell { border: 2px solid #24182a; border-radius: .6rem; display: grid; place-items: center; text-align: center; padding: .4rem; font-weight: 900; line-height: 1.12; background: #fff; overflow-wrap: anywhere; hyphens: auto; min-width: 0; }
.bingo-cell:nth-child(3n+1) { background: #fff3d6; }
.bingo-cell:nth-child(3n+2) { background: #e9f7ff; }
.bingo-cell:nth-child(3n) { background: #ffe9ec; }
.bingo-cell.free { background: #22172a; color: #fff9ef; }
.bingo-cell.marked { outline: 4px solid rgba(255,122,89,.78); outline-offset: -7px; }
.status { min-height: 1.4rem; color: var(--muted); font-weight: 800; }
.status.error { color: var(--danger); }
.privacy-note { margin-top: .9rem; border: 1px solid rgba(125,211,252,.24); background: rgba(125,211,252,.08); color: var(--muted); padding: .85rem; border-radius: .9rem; line-height: 1.5; }
.privacy-note strong { color: var(--ink); }
@media (max-width: 880px) {
  .workspace { grid-template-columns: 1fr; }
  .preview-panel { position: static; }
}
@media (max-width: 560px) {
  .topbar { align-items: flex-start; }
  .grid-2col, .button-row, .export-row { grid-template-columns: 1fr; display: grid; }
  .bingo-card { padding: .55rem; }
  .bingo-grid { gap: .28rem; }
  .bingo-cell { border-radius: .42rem; padding: .25rem; font-size: .72rem; }
}
@media print {
  body { background: #fff; color: #111; }
  .topbar, .hero, .control-panel, .preview-toolbar, .status, .export-row, .privacy-note, .page-glow { display: none !important; }
  .app-shell, .workspace, .preview-panel, .card-frame { display: block; max-width: none; padding: 0; margin: 0; background: #fff; border: 0; box-shadow: none; }
  .bingo-card { width: 7.4in; margin: .2in auto; box-shadow: none; break-inside: avoid; }
}