:root {
  --bg: #0f1c1a;
  --bg2: #162824;
  --card: #1c332e;
  --ink: #f3f7f5;
  --muted: #9bb3ac;
  --accent: #2f9e7b;
  --accent2: #e8c07d;
  --danger: #e57373;
  --line: rgba(255,255,255,.08);
  --radius: 18px;
  --font: "Segoe UI", system-ui, sans-serif;
  --display: "Georgia", "Times New Roman", serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(47,158,123,.25), transparent 60%),
    radial-gradient(700px 400px at 100% 0%, rgba(232,192,125,.12), transparent 50%),
    linear-gradient(160deg, var(--bg), var(--bg2) 50%, #101e1c);
}

a { color: var(--accent2); }
.wrap { width: min(920px, calc(100% - 32px)); margin: 0 auto; padding: 28px 0 60px; }
.card {
  background: color-mix(in srgb, var(--card) 92%, black);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.hero {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}
.brand {
  font-family: var(--display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: .02em;
  margin: 0;
}
.sub { color: var(--muted); margin: 0; line-height: 1.45; }
.lang {
  display: flex; gap: 8px; justify-content: flex-end; margin-bottom: 12px;
}
.lang button, button.ghost {
  background: transparent; border: 1px solid var(--line); color: var(--ink);
  border-radius: 999px; padding: 6px 12px; cursor: pointer;
}
.lang button.active { border-color: var(--accent); color: var(--accent2); }
label { display: grid; gap: 6px; font-size: .9rem; color: var(--muted); margin-bottom: 12px; }
input, select, textarea {
  width: 100%; border-radius: 12px; border: 1px solid var(--line);
  background: rgba(0,0,0,.25); color: var(--ink); padding: 12px 14px; font: inherit;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 700px) { .grid2 { grid-template-columns: 1fr; } }
.btn {
  appearance: none; border: 0; border-radius: 999px; padding: 12px 18px;
  background: linear-gradient(135deg, var(--accent), #1f7a5e);
  color: white; font-weight: 650; cursor: pointer; font: inherit;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.secondary { background: transparent; border: 1px solid var(--line); }
.err {
  background: rgba(229,115,115,.15); border: 1px solid rgba(229,115,115,.35);
  color: #ffc9c9; padding: 10px 12px; border-radius: 12px; margin-bottom: 12px;
}
.ok {
  background: rgba(47,158,123,.15); border: 1px solid rgba(47,158,123,.35);
  color: #c9ffe8; padding: 10px 12px; border-radius: 12px; margin-bottom: 12px;
}
.meta {
  display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 16px;
}
.chip {
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 10px;
  color: var(--muted); font-size: .85rem;
}
.guest-block {
  border-top: 1px solid var(--line); padding-top: 14px; margin-top: 14px;
}
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.table th { color: var(--muted); font-weight: 600; }
.hidden { display: none !important; }
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0; }
.stack { display: grid; gap: 14px; }
h2 { font-family: var(--display); font-weight: 500; margin: 0 0 8px; }