@view-transition {
  navigation: auto;
}

:root {
  --bg: #16181b;
  --bg-preview: #101214;
  --surface: #1d2024;
  --surface-2: #252a2f;
  --border: #2f353b;
  --text: #e4e7ea;
  --muted: #8a929b;
  --accent: #7fa3b8;
  --accent-strong: #6c91a7;
  --accent-ink: #0f1a21;
  --danger: #d98080;
  --radius: 5px;
  --preview-zoom: 0.85;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-num: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hidden {
  display: none !important;
}

.noscript-msg {
  padding: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  list-style: none;
  white-space: nowrap;
  text-decoration: none;
}

.btn::-webkit-details-marker {
  display: none;
}

.btn:hover:not(:disabled) {
  border-color: #444b53;
  background: #2b3138;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-block {
  width: 100%;
  padding: 9px 12px;
  margin-top: 12px;
}

.btn-block-compact {
  margin-top: 6px;
}

.btn-text {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  text-decoration: underline;
}

.btn-text:hover {
  color: var(--text);
}

.btn-text.danger-text:hover {
  color: var(--danger);
}

.icon-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 12px;
  padding: 3px 6px;
  border-radius: 3px;
  cursor: pointer;
}

.icon-btn:hover:not(:disabled) {
  background: var(--surface-2);
  color: var(--text);
}

.icon-btn.danger:hover {
  color: var(--danger);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
  position: relative;
}

.form-row.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.form-group label {
  font-size: 12px;
  color: var(--muted);
}

.req {
  color: var(--accent);
}

.helper-text {
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 2px;
  line-height: 1.35;
}

.input-with-action {
  display: flex;
  gap: 6px;
}

.input-with-action > input,
.name-input-wrap {
  flex: 1;
  min-width: 0;
}

input[type="text"],
input[type="url"],
input[type="number"],
select,
textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 7px 9px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 13px;
}

input[type="number"] {
  font-family: var(--font-num);
}

input::placeholder,
textarea::placeholder {
  color: #5b636b;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  padding: 3px 0;
  cursor: pointer;
  color: var(--text);
}

.checkbox-row input {
  accent-color: var(--accent);
}

.slider-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.slider-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-num);
}

input[type="range"] {
  accent-color: var(--accent);
}

.file-upload-btn {
  flex: 1;
}

.file-upload-btn.auto-width {
  flex: 0 0 auto;
}

.form-error {
  margin-top: 10px;
  padding: 8px 10px;
  border: 1px solid #6a3b3b;
  background: #2a1c1c;
  color: #e6b0b0;
  border-radius: var(--radius);
  font-size: 12px;
}

details > summary {
  cursor: pointer;
  list-style: none;
  color: var(--muted);
  font-size: 12px;
}

details > summary::-webkit-details-marker {
  display: none;
}

details.settings > summary::before {
  content: "+ ";
}

details.settings[open] > summary::before {
  content: "− ";
}

details > summary:hover {
  color: var(--text);
}

details.settings {
  padding: 18px 0;
}

details.settings > summary {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.settings-grid {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 12px;
}