:root {
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --text: #1a1d23;
  --text-muted: #6b7280;
  --border: #e2e4e9;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success: #16a34a;
  --input-bg: #ffffff;
  --code-bg: #f1f2f5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181c;
    --card-bg: #212227;
    --text: #eef0f3;
    --text-muted: #9aa0ac;
    --border: #34363d;
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --danger: #ef4444;
    --danger-hover: #f87171;
    --success: #4ade80;
    --input-bg: #1a1b1f;
    --code-bg: #191a1e;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.page-header h1 {
  margin: 0 0 4px;
  font-size: 1.6rem;
}

.subtitle {
  margin: 0 0 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
}

.card h2 {
  margin-top: 0;
  font-size: 1.15rem;
}

.field {
  margin-bottom: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

input[type="url"],
input[type="text"],
textarea {
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 0.95rem;
  width: 100%;
  font-family: inherit;
}

textarea {
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
}

button {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

button:hover:not(:disabled) {
  background: var(--primary-hover);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

button.secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

button.danger {
  background: var(--danger);
}

button.danger:hover:not(:disabled) {
  background: var(--danger-hover);
}

.error-box {
  background: rgba(220, 38, 38, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 12px;
  margin: 12px 0;
  font-size: 0.88rem;
  white-space: pre-wrap;
}

.result-box {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}

.result-box h3 {
  margin: 0 0 12px;
  color: var(--success);
  font-size: 1rem;
}

.copy-row {
  margin-bottom: 12px;
}

.copy-row label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.copy-field {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.copy-field input,
.copy-field textarea {
  flex: 1;
}

.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  gap: 12px;
  flex-wrap: wrap;
}

.list-header h2 {
  margin: 0;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  min-width: 720px;
}

th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.empty-row {
  text-align: center;
  color: var(--text-muted);
  padding: 24px 0;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.enabled {
  background: rgba(22, 163, 74, 0.15);
  color: var(--success);
}

.badge.disabled {
  background: rgba(107, 114, 128, 0.2);
  color: var(--text-muted);
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.row-actions button {
  padding: 6px 10px;
  font-size: 0.78rem;
}

.file-name {
  color: var(--text-muted);
  font-size: 0.78rem;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  z-index: 100;
}

@media (max-width: 640px) {
  .page {
    padding: 16px 10px 48px;
  }
  .card {
    padding: 14px;
  }
}