:root {
  --green-600: #0f9d58;
  --green-700: #0b7a44;
  --green-100: #e6f7ec;
  --sky-500: #2b8ce6;
  --ink-900: #0f1a14;
  --ink-600: #4a5a52;
  --paper: #ffffff;
  --bg: #f4f9f6;
  --border: #d9ece1;
  --warn: #e0a800;
  --danger: #d64545;
  --radius: 14px;
  --shadow: 0 6px 20px rgba(15, 26, 20, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink-900);
  line-height: 1.6;
}

a { color: var(--green-700); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--green-700), var(--green-600));
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .brand { color: #fff; font-weight: 700; font-size: 1.1rem; }
.topnav { display: flex; gap: 16px; flex-wrap: wrap; }
.topnav a { color: #eafff0; font-size: 0.92rem; }
.topnav a:hover { color: #fff; }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

.footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--ink-600);
  padding: 24px 16px 40px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-bottom: 20px;
}

.hero {
  text-align: center;
  padding: 40px 16px;
  border-radius: var(--radius);
  background: radial-gradient(circle at top, #eafff2, var(--green-100));
  margin-bottom: 24px;
}
.hero h1 { font-size: 1.7rem; margin-bottom: 8px; color: var(--green-700); }
.hero p.tagline { font-size: 1.05rem; color: var(--ink-600); margin-bottom: 20px; }

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  border: none;
  background: var(--green-600);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn:hover { background: var(--green-700); transform: translateY(-1px); text-decoration: none; }
.btn.secondary { background: #fff; color: var(--green-700); border: 1.5px solid var(--green-600); }
.btn.secondary:hover { background: var(--green-100); }
.btn.small { padding: 8px 16px; font-size: 0.85rem; }
.btn.danger { background: var(--danger); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 14px;
  margin: 20px 0;
}
.stat-tile {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.stat-tile .value { font-size: 1.7rem; font-weight: 800; color: var(--green-700); }
.stat-tile .label { font-size: 0.82rem; color: var(--ink-600); margin-top: 4px; }

form.stacked { display: flex; flex-direction: column; gap: 14px; max-width: 420px; }
.field label { display: block; font-size: 0.88rem; margin-bottom: 6px; color: var(--ink-600); font-weight: 600; }
.field input[type=text], .field input[type=email], .field input[type=tel], .field input[type=password], .field select {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  font-size: 0.98rem;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--green-600); }
.radio-group { display: flex; gap: 16px; flex-wrap: wrap; }
.radio-group label { font-weight: 500; display: flex; gap: 6px; align-items: center; }
.checkbox-row { display: flex; gap: 8px; align-items: flex-start; font-size: 0.85rem; color: var(--ink-600); }

.msg { padding: 10px 14px; border-radius: 10px; font-size: 0.88rem; margin-top: 4px; }
.msg.success { background: #e5f8ee; color: var(--green-700); }
.msg.error { background: #fdeaea; color: var(--danger); }
.msg.info { background: #eaf3fd; color: var(--sky-500); }

/* 數位登機證 */
.boarding-pass {
  background: linear-gradient(120deg, var(--green-700), var(--sky-500));
  color: #fff;
  border-radius: 18px;
  padding: 26px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.boarding-pass::after {
  content: "✂ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -";
  position: absolute;
  left: 0; right: 0; bottom: 74px;
  opacity: 0.35;
  font-size: 0.8rem;
  white-space: nowrap;
  overflow: hidden;
}
.bp-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.bp-title { font-size: 0.78rem; letter-spacing: 0.12em; opacity: 0.85; text-transform: uppercase; }
.bp-level { font-size: 1.5rem; font-weight: 800; margin: 4px 0 14px; }
.bp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 14px; margin-top: 18px; }
.bp-grid .k { font-size: 0.72rem; opacity: 0.8; }
.bp-grid .v { font-size: 1.05rem; font-weight: 700; }

.badge-wall { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 14px; }
.badge-tile { text-align: center; padding: 14px 8px; border-radius: 12px; border: 1.5px solid var(--border); background: #fff; }
.badge-tile.locked { opacity: 0.45; filter: grayscale(1); }
.badge-tile .icon { font-size: 2rem; }
.badge-tile .name { font-size: 0.8rem; font-weight: 700; margin-top: 6px; }
.badge-tile .desc { font-size: 0.7rem; color: var(--ink-600); margin-top: 2px; }

table.data-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
table.data-table th, table.data-table td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; }
table.data-table th { background: var(--green-100); color: var(--green-700); }
.table-wrap { overflow-x: auto; }

.badge-pill { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 0.75rem; font-weight: 700; }
.badge-pill.active { background: #e5f8ee; color: var(--green-700); }
.badge-pill.pending_verification { background: #fff4e0; color: var(--warn); }
.badge-pill.suspended, .badge-pill.unbound { background: #fdeaea; color: var(--danger); }
.badge-pill.verified-yes { background: #e5f8ee; color: var(--green-700); }
.badge-pill.verified-no { background: #fdeaea; color: var(--danger); }

.tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.tabs a { padding: 8px 16px; border-radius: 999px; background: #fff; border: 1px solid var(--border); font-size: 0.85rem; color: var(--ink-600); }
.tabs a.active { background: var(--green-600); color: #fff; border-color: var(--green-600); }

.poster-card {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  border-radius: 20px;
  padding: 26px;
  color: #fff;
  text-align: center;
  background: linear-gradient(160deg, var(--green-700), var(--sky-500));
}
.poster-card h3 { margin: 6px 0; font-size: 1.3rem; }
.poster-card .big { font-size: 2.4rem; font-weight: 800; margin: 10px 0; }

.two-col { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 760px) {
  .two-col { grid-template-columns: 1fr 1fr; }
}

.hint { font-size: 0.8rem; color: var(--ink-600); }

/* Admin */
.admin-shell { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 220px;
  background: var(--ink-900);
  color: #d7ffe8;
  padding: 20px 14px;
  flex-shrink: 0;
}
.admin-sidebar h2 { font-size: 1rem; color: #fff; margin-bottom: 18px; }
.admin-sidebar a { display: block; color: #cdeedb; padding: 10px 12px; border-radius: 8px; font-size: 0.9rem; margin-bottom: 4px; }
.admin-sidebar a:hover, .admin-sidebar a.active { background: rgba(255,255,255,0.1); color: #fff; text-decoration: none; }
.admin-main { flex: 1; padding: 24px 28px; max-width: 1100px; }
.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.login-card { width: 100%; max-width: 360px; }

@media (max-width: 720px) {
  .admin-shell { flex-direction: column; }
  .admin-sidebar { width: 100%; display: flex; overflow-x: auto; gap: 4px; }
  .admin-sidebar h2 { display: none; }
  .admin-sidebar a { white-space: nowrap; }
}