:root {
  --green: #2c5f3f;
  --green-dark: #1f4530;
  --green-light: #eaf3ed;
  --ink: #1b2a22;
  --muted: #5f6b66;
  --line: #d8ded9;
  --bg: #f5f3ee;
  --card: #ffffff;
  --error: #b3261e;
  --ok: #16633a;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

.page-header {
  background: var(--green);
  color: white;
  padding: 28px 24px;
  text-align: center;
}
.page-header h1 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: 0.5px;
}
.page-header .subtitle {
  margin: 4px 0 0;
  opacity: 0.9;
  font-size: 0.95rem;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.intro p {
  margin: 0 0 12px;
}
.intro .callout {
  background: var(--green-light);
  border-left: 4px solid var(--green);
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 0.95rem;
}

form { margin-top: 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
  margin: 0 0 18px;
}
.card > legend {
  font-weight: 600;
  font-size: 1.05rem;
  padding: 0 8px;
  color: var(--green-dark);
}

fieldset.inline {
  border: none;
  padding: 0;
  margin: 8px 0 0;
}
fieldset.inline > legend {
  font-weight: 500;
  margin-bottom: 6px;
  padding: 0;
  color: var(--ink);
}

.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.row > label { flex: 1 1 200px; min-width: 0; }
.row > label.grow-2 { flex: 2 1 300px; }
.row > label.narrow { flex: 0 0 120px; }

label {
  display: block;
  font-size: 0.92rem;
  margin-bottom: 10px;
}
label > span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-weight: 500;
}
label.full { display: block; }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  background: white;
  color: var(--ink);
}
select { cursor: pointer; }
input:focus, select:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(44, 95, 63, 0.18);
}
input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: var(--error);
}

label.radio {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-right: 18px;
  font-size: 1rem;
  cursor: pointer;
}
label.radio > span { color: var(--ink); margin: 0; font-weight: 400; }
label.radio input { accent-color: var(--green); }

.hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 4px 0 8px;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}

button[type="submit"] {
  background: var(--green);
  color: white;
  border: none;
  padding: 13px 28px;
  font-size: 1.05rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s ease;
  min-width: 220px;
}
button[type="submit"]:hover:not(:disabled) { background: var(--green-dark); }
button[type="submit"]:disabled {
  background: #9ab1a3;
  cursor: not-allowed;
}

.status {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 0.95rem;
  display: none;
}
.status.show { display: block; }
.status.ok {
  background: #e6f2ec;
  color: var(--ok);
  border: 1px solid #bcd9c8;
}
.status.err {
  background: #fbeae9;
  color: var(--error);
  border: 1px solid #f0c4c1;
}

.hidden { display: none !important; }

/* ID-type check cards */
.check-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 10px;
  background: #fcfbf7;
  transition: border-color 0.15s, background 0.15s;
}
.check-card:hover { border-color: var(--green); }
.check-card input[type="checkbox"] {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--green);
  flex: 0 0 auto;
}
.check-card > span { font-size: 0.95rem; line-height: 1.45; }
.check-card strong { color: var(--green-dark); }
.check-card em {
  display: block;
  font-style: normal;
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 2px;
}
.check-card:has(input:checked) {
  border-color: var(--green);
  background: var(--green-light);
}

/* Secondary button (add guest) */
button.secondary {
  background: white;
  color: var(--green-dark);
  border: 1px solid var(--green);
  padding: 8px 14px;
  font-size: 0.95rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  margin-top: 4px;
}
button.secondary:hover { background: var(--green-light); }

/* Guest ID list rows */
.guest-id-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px 4px;
  margin-bottom: 12px;
  background: #fcfbf7;
}
.guest-id-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.guest-id-num {
  font-weight: 600;
  color: var(--green-dark);
  font-size: 0.95rem;
}
.guest-id-row .remove-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}
.guest-id-row .remove-btn:hover { color: var(--error); border-color: var(--error); }

.page-footer {
  text-align: center;
  padding: 20px 16px 32px;
  color: var(--muted);
  font-size: 0.85rem;
}
.page-footer a { color: var(--green-dark); }

@media (max-width: 480px) {
  .page-header h1 { font-size: 1.35rem; }
  .row > label.narrow { flex: 1 1 0; }
}