:root {
  --bg: #0b172a;
  --card: #10223f;
  --accent: #4fb8ff;
  --accent-strong: #69d6ff;
  --text: #dce9ff;
  --muted: #93a3bf;
  --warning: #ffb347;
  --info: #c69cff;
  --success: #8be5b3;
  --danger: #ffa0a0;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  font-family: 'Inter', 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 20% 20%, rgba(79, 184, 255, 0.18), transparent 22%),
    radial-gradient(circle at 80% 0%, rgba(105, 214, 255, 0.18), transparent 26%),
    linear-gradient(135deg, #0b172a 0%, #0c1d35 60%, #0b172a 100%);
  color: var(--text);
}

.wrapper {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 18px 48px;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #4fb8ff, #69d6ff);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: #0c1d35;
  box-shadow: var(--shadow);
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin: 0;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  border-color: rgba(105, 214, 255, 0.5);
  color: white;
  box-shadow: 0 8px 24px rgba(79, 184, 255, 0.18);
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 2fr 1fr;
}

@media (max-width: 900px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 18px 18px 14px;
  border-radius: 18px;
}

.card h2 {
  margin: 0 0 12px 0;
  font-size: 18px;
}

.card p,
.card li {
  color: var(--muted);
  line-height: 1.6;
  margin: 4px 0;
}

.actions {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: flex-end;
}

.label {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}

select,
input[type="text"] {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: #000;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

select option {
  background: #fff;
  color: #000;
}

select option:checked,
select option:focus,
select option:hover {
  background: #f2f4f7;
  color: #000;
}

select:focus,
input[type="text"]:focus {
  border-color: rgba(79, 184, 255, 0.7);
  box-shadow: 0 0 0 3px rgba(79, 184, 255, 0.15);
}

.select2-container {
  width: 100% !important;
}

.select2-container .select2-selection--single {
  position: relative;
  height: 48px;
  padding: 8px 44px 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
  color: #000;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.select2-container .select2-selection--single:focus,
.select2-container .select2-selection--single:focus-visible {
  border-color: rgba(79, 184, 255, 0.7);
  box-shadow: 0 0 0 3px rgba(79, 184, 255, 0.15);
  outline: none;
}

.select2-container .select2-selection__rendered {
  color: #000;
  line-height: 28px;
  padding-left: 0;
}

.select2-container .select2-selection__clear {
  position: absolute;
  top: 50%;
  right: 28px;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin: 0;
  padding: 0;
  color: var(--text);
}

.select2-results__option {
  background: #fff;
  color: #000;
}

.select2-results__option--highlighted[aria-selected],
.select2-results__option[aria-selected="true"] {
  background: #f2f4f7 !important;
  color: #000 !important;
}

.select2-container .select2-selection__arrow {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  right: 10px;
}

button {
  padding: 12px 16px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #4fb8ff, #69d6ff);
  color: #0c1d35;
  font-weight: 700;
  letter-spacing: 0.2px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button:hover,
button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(105, 214, 255, 0.35);
}

.secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--border);
}

.notice {
  background: rgba(255, 255, 255, 0.03);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  padding: 14px;
  border-radius: 14px;
  margin-bottom: 10px;
}

.notice strong {
  color: var(--accent-strong);
}

.alert-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 18px;
}

.alert {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.alert.warn {
  border-color: rgba(255, 179, 71, 0.5);
  color: var(--warning);
}

.alert.info {
  border-color: rgba(198, 156, 255, 0.5);
  color: rgb(198 156 255);
}

.alert.success {
  border-color: rgba(139, 229, 179, 0.55);
  color: var(--success);
}

.alert.danger {
  border-color: rgba(255, 160, 160, 0.5);
  color: var(--danger);
}

.result {
  margin-top: 14px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  min-height: 48px;
  white-space: pre-line;
}

.footer {
  margin-top: 16px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 23, 42, 0.78);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  z-index: 999;
  backdrop-filter: blur(4px);
}

.loading-text {
  text-align: center;
  color: var(--text);
  line-height: 1.5;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}

.tag svg {
  width: 16px;
  height: 16px;
}

.links,
a {
  color: var(--warning);
}

.links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.links a,
a {
  text-decoration: none;
}

.links a:hover,
.links a:focus-visible,
a:hover,
a:focus-visible {
  text-decoration: underline;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--border);
}

.panel-title {
  margin: 0;
  font-weight: 600;
}

.panel-subtitle {
  margin: 2px 0 0 0;
  color: var(--muted);
  font-size: 13px;
}

.panel-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toggleContent {
  display: none;
  flex-direction: column;
  gap: 12px;
}

.toggleBtn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--text);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  box-shadow: none;
}

.toggleBtn:hover,
.toggleBtn:focus-visible {
  transform: none;
  box-shadow: none;
  border-color: rgba(79, 184, 255, 0.5);
}

.table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  overflow: hidden;
}

.table th,
.table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.table th {
  background: rgba(255, 255, 255, 0.05);
  font-weight: 700;
}

.table tbody tr:nth-child(2n) {
  background: rgba(255, 255, 255, 0.01);
}

.table tbody tr:last-child th,
.table tbody tr:last-child td {
  border-bottom: none;
}