/* 澳門接待系統 - 共用樣式（紫色主題） */
:root {
  --primary: #6b46c1;
  --primary-light: #805ad5;
  --accent: #f59e0b;
  --bg: linear-gradient(180deg, #faf5ff, #f0e9ff);
  --card: #ffffff;
  --text: #2d2339;
  --text-light: #6b5b85;
  --border: #e0d4ff;
  --success: #2d6a4f;
  --danger: #c1121f;
  --radius: 20px;
  --shadow: 0 4px 20px rgba(107, 70, 193, 0.08);
}

/* ---------- 接送按鈕組（到達／離開需要接送） ---------- */
.radio-group { display: flex; gap: 10px; flex-wrap: wrap; }
.radio-btn {
  flex: 1;
  min-width: 150px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  background: #fff;
  color: var(--text);
  transition: all .15s ease;
  user-select: none;
}
.radio-btn input { display: none; }
.radio-btn:has(input:checked) {
  border-color: var(--primary);
  background: #f5f0ff;
  color: var(--primary);
  font-weight: 600;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 頂欄 ---------- */
.topbar {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.topbar .brand { font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.topbar .brand span { color: #ffd166; }
.topbar .sub { font-size: 13px; opacity: 0.85; margin-top: 2px; }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 4px 24px rgba(107, 70, 193, 0.06);
  padding: 30px;
  margin-bottom: 28px;
}
.card h2 {
  font-size: 17px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
}
.card h2 .icon { font-size: 20px; }

/* ---------- 表單 ---------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
}
.form-grid .full { grid-column: 1 / -1; }

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 5px;
}
.field label .req { color: var(--danger); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: 15px;
  color: var(--text);
  background: #fdfcff;
  transition: border-color .15s;
  font-family: inherit;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(107, 70, 193, 0.1);
}
.field input::placeholder, .field textarea::placeholder { color: #a5b3b9; }
.field textarea { resize: vertical; min-height: 70px; }

/* 所屬項目（可選多個）checkbox 卡片 */
.proj-check-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 7px 12px;
  padding: 2px 0;
}
.proj-check-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: #f8fbfc;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  transition: border-color .15s, background .15s;
}
.proj-check-group label:hover { border-color: var(--primary-light); background: #f0e9ff; }
.proj-check-group label:has(input:checked) {
  border-color: var(--primary);
  background: #ede4ff;
  color: var(--primary);
}
.proj-check-group input { accent-color: var(--primary); width: 15px; height: 15px; flex-shrink: 0; }

/* ---------- 按鈕 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 22px;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .1s, box-shadow .15s, background .15s;
  font-family: inherit;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); box-shadow: 0 4px 14px rgba(107,70,193,.3); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { box-shadow: 0 4px 14px rgba(245,158,11,.3); }
.btn-ghost { background: transparent; color: var(--primary); border: 1.5px solid var(--border); }
.btn-ghost:hover { border-color: var(--primary-light); background: #f5f0ff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { box-shadow: 0 4px 14px rgba(193,18,31,.3); }
.btn-sm { padding: 7px 14px; font-size: 13px; border-radius: 8px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* ---------- 提示訊息 ---------- */
.alert {
  padding: 13px 16px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 16px;
  display: none;
}
.alert.show { display: block; position: fixed; top: 16px; left: 50%; transform: translateX(-50%); z-index: 9999; max-width: 90%; box-shadow: 0 4px 16px rgba(0,0,0,0.15); animation: slideDown 0.3s ease; }
.alert.success { background: #e8f5ee; color: var(--success); border: 1px solid #bfe3d2; }
.alert.error { background: #fdecec; color: #c0392b; border: 1px solid #f5c6c9; font-weight: 500; }
@keyframes slideDown { from { top: -50px; opacity: 0; } to { top: 16px; opacity: 1; } }

/* ---------- 響應式 ---------- */
@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .card { padding: 18px; }
  .container { padding: 14px 12px 50px; }
  .topbar { padding: 14px 16px; }
  .topbar .brand { font-size: 18px; }
}

/* 細手機（<= 400px）再縮啲 */
@media (max-width: 400px) {
  .card { padding: 14px; }
  .container { padding: 10px 10px 40px; }
  .hero .badge { font-size: 11px; }
  .section-title { font-size: 14px; margin: 16px 0 3px; }
  .field input, .field select, .field textarea { font-size: 16px; padding: 10px 10px; }
}

/* iOS 底部安全區（iPhone 手勢橫條） */
.container { padding-bottom: calc(60px + env(safe-area-inset-bottom)); }