/* SwiNOG Registration – modern public-facing design */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-soft: #eef2ff;
  --success: #059669;
  --danger: #dc2626;
  --radius: 10px;
  --radius-lg: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); text-decoration: underline; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; width: 100%; }

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; }
.brand {
  font-weight: 700; font-size: 19px;
  display: flex; align-items: center; gap: 14px;
  text-decoration: none;
  color: var(--text);
}
.brand span {
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-logo {
  width: 56px; height: 56px;
  object-fit: contain;
  background: #ffffff;
  border-radius: 12px;
  padding: 4px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}
nav {
  display: flex; gap: 4px; align-items: center;
  font-size: 14.5px; font-weight: 500;
  flex-wrap: wrap;
}
nav .link {
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
nav .link:hover, nav .link:focus { background: rgba(79, 70, 229, 0.10); color: var(--primary); }
nav .nav-sep {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  margin: 6px 6px;
}
nav .nav-greeting {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  background: rgba(79, 70, 229, 0.08);
  border-radius: 999px;
  color: var(--text);
  font-size: 13.5px;
}
nav .nav-greeting .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success, #16a34a);
  flex-shrink: 0;
}
nav .nav-greeting strong { color: var(--primary); font-weight: 600; }
nav .link.danger { color: var(--text-muted); }
nav .link.danger:hover { background: rgba(220, 38, 38, 0.10); color: #b91c1c; }

/* Main */
main { flex: 1; padding: 32px 0; }

/* Hero */
.hero {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
  text-align: center;
}
.hero h1 { margin: 0; font-size: 28px; font-weight: 700; }
.hero .date { color: var(--text-muted); font-size: 17px; margin-top: 6px; }
.hero p { color: var(--text-muted); margin: 16px 0 0 0; }
.hero .actions { margin-top: 24px; display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}
.card h2 { margin: 0 0 12px 0; font-size: 18px; font-weight: 600; }
.card .muted { color: var(--text-muted); }

/* Status banner */
.status-banner {
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-bottom: 18px;
  border: 1px solid;
  font-size: 14px;
}
.status-open    { background: #f0fdf4; border-color: #86efac; color: #166534; }
.status-closed  { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.status-future  { background: var(--primary-soft); border-color: #c7d2fe; color: var(--primary-hover); }

/* Forms */
form .field { margin-bottom: 16px; }
form label { display: block; font-weight: 500; margin-bottom: 6px; font-size: 14px; }
form input[type=text],
form input[type=email],
form input[type=password],
form select,
form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  font-family: inherit;
  background: var(--surface);
}
form input:focus, form select:focus, form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.15);
}
form .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
form .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { form .grid-2, form .grid-3 { grid-template-columns: 1fr; } }
form .help { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* Choice cards (food / social) */
.choices { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.choice {
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  background: var(--surface);
  transition: border-color 0.15s, background 0.15s;
}
.choice:hover { border-color: #c7d2fe; }
.choice input { display: none; }
.choice.is-selected { border-color: var(--primary); background: var(--primary-soft); }
.choice .label { font-weight: 600; margin-bottom: 6px; }
.choice .desc  { color: var(--text-muted); font-size: 13.5px; white-space: pre-line; }
@media (max-width: 600px) { .choices { grid-template-columns: 1fr; } }

.checkbox-card {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border: 2px solid var(--border);
  border-radius: var(--radius); cursor: pointer; background: var(--surface);
}
.checkbox-card input { width: 18px; height: 18px; }
.checkbox-card.is-selected { border-color: var(--primary); background: var(--primary-soft); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 11px 22px;
  background: var(--primary); color: #fff;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 15px; font-weight: 500;
  cursor: pointer; text-decoration: none;
  transition: background 0.15s;
}
.btn:hover { background: var(--primary-hover); color: #fff; text-decoration: none; }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: #f1f5f9; color: var(--text); }
.btn-sm { padding: 6px 14px; font-size: 14px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }

/* Flash */
.flash {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-weight: 500;
  border: 1px solid;
}
.flash-success { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.flash-error   { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.flash-info    { background: var(--primary-soft); border-color: #c7d2fe; color: var(--primary-hover); }

/* Footer */
.site-footer { padding: 24px 0; border-top: 1px solid var(--border); margin-top: 32px; }
.muted { color: var(--text-muted); }

/* Seat stats */
.seat-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 14px; margin: 18px 0 12px; }
.seat-stat { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; text-align: left; }
.seat-stat-label { color: var(--text-muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.05em; }
.seat-stat-value { font-size: 22px; font-weight: 700; margin-top: 4px; color: var(--text); }

/* Registration terms */
.terms-box {
  background: #fef2f2;
  border: 2px solid #dc2626;
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 22px;
  color: #7f1d1d;
}
.terms-box h3 { font-size: 16px; }
.terms-box ul { color: #7f1d1d; }
.terms-box a { color: #b91c1c; }

/* Confirmation */
.confirm-icon {
  width: 64px; height: 64px; border-radius: 50%;
  background: #ecfdf5; color: var(--success);
  display: flex; align-items: center; justify-content: center;
  font-size: 36px; margin: 0 auto 16px;
}

/* Summary list */
.summary { list-style: none; padding: 0; margin: 0; }
.summary li { padding: 10px 0; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; }
.summary li:last-child { border-bottom: none; }
.summary li .key { color: var(--text-muted); }