:root {
  --bg: #0f1115;
  --panel: #171a21;
  --ink: #e8eaed;
  --muted: #9aa0ab;
  --accent: #2ecc71;
  --accent-ink: #06210f;
  --border: #262a33;
  --error: #ff6b6b;
}

* { box-sizing: border-box; }

/* The hidden attribute must win over any element's explicit display rule. */
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

.site-header {
  padding: 28px 24px 8px;
  text-align: center;
}
.brand {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.tagline { color: var(--muted); margin: 4px 0 0; }

.layout {
  display: grid;
  grid-template-columns: minmax(300px, 420px) 1fr;
  gap: 24px;
  max-width: 1040px;
  margin: 24px auto;
  padding: 0 24px 48px;
}
@media (max-width: 780px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
}
.panel h1 { font-size: 20px; margin: 0 0 16px; }
.panel h2 { font-size: 16px; margin: 0 0 16px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }

.field { display: block; margin-bottom: 18px; border: 0; padding: 0; }
.field > span, .field legend { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.field input[type="text"],
.field input[type="url"],
.field input[type="email"] {
  width: 100%;
  padding: 10px 12px;
  background: #0e1016;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--ink);
  font-size: 15px;
}
.field input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.hint { display: block; color: var(--muted); font-size: 12px; margin-top: 6px; }
.hint a { color: var(--accent); }
.error { display: block; color: var(--error); font-size: 12px; margin-top: 6px; }

.radio { display: inline-flex; align-items: center; gap: 6px; margin-right: 16px; font-weight: 400; font-size: 14px; }

.btn-primary {
  width: 100%;
  padding: 13px;
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  border-radius: 9px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-ghost {
  padding: 13px 16px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 9px;
  font-weight: 600;
  cursor: pointer;
}

/* ---- Card preview ---- */
.card-stage {
  display: flex;
  justify-content: center;
  padding: 12px 0 4px;
}
.card {
  width: 260px;
  border-radius: 16px;
  padding: 24px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
}
.card--hangtag { min-height: 380px; }
.card--wallet { width: 320px; min-height: 200px; padding: 18px; }

.card--light { background: #ffffff; color: #14161a; }
.card--dark  { background: #14161a; color: #ffffff; border-color: #2a2f38; }

.card-logo img { max-height: 46px; max-width: 150px; object-fit: contain; }
.card-biz { font-size: 20px; font-weight: 800; letter-spacing: -0.01em; }
.card-headline { font-size: 15px; font-weight: 600; opacity: 0.9; }
.card-qr canvas, .card-qr img { width: 150px; height: 150px; }
.card-sub { font-size: 12px; opacity: 0.65; }
.card-footer { margin-top: auto; font-size: 10px; opacity: 0.5; padding-top: 8px; }

.compliance-note {
  font-size: 12px;
  color: var(--muted);
  border-top: 1px dashed var(--border);
  margin-top: 16px;
  padding-top: 12px;
}

/* ---- Modal ---- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  max-width: 380px;
  width: 100%;
}
.modal-box h2 { margin: 0 0 8px; font-size: 18px; }
.modal-box p { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.modal-box input { width: 100%; padding: 10px 12px; background: #0e1016; border: 1px solid var(--border); border-radius: 8px; color: var(--ink); font-size: 15px; }
.modal-actions { display: flex; gap: 10px; margin-top: 16px; }
.modal-actions .btn-primary, .modal-actions .btn-ghost { width: auto; flex: 1; }