/* Raw textarea (kept dark to signal "this is code") */
textarea.settings {
  font-family: "Fira Code", "Cascadia Code", "Source Code Pro", monospace;
  font-size: 14px;
  white-space: pre;
  overflow-wrap: normal;
  overflow-x: auto;
  width: 100%;
  height: 500px;
  padding: 15px;
  background-color: #1e1e1e;
  color: #d4d4d4;
  line-height: 1.5;
  border: 1px solid #333;
  resize: vertical;
}
textarea.settings:focus {
  outline: 2px solid #007acc;
  outline-offset: -1px;
}

.settings-button-bar {
  display: flex;
  flex-shrink: 0;
  gap: 10px;
  margin-top: 15px;
}

.settings-links {
  display: flex;
  gap: 20px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #ddd;
}

/* --- env-var banner --- */
/* Shown only when settings.json contains ${VAR} placeholders. The
   typical reader is a Docker/K8s operator who has just been surprised
   by env-var substitution semantics, so the copy must explain rather
   than warn — visual weight matches a note, not an error. */
.settings-envvar-banner {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  margin-bottom: 16px;
  background: #f5f7ff;
  border: 1px solid #c7d2fe;
  border-radius: 6px;
  color: #1e293b;
}
.settings-envvar-banner svg {
  flex-shrink: 0;
  color: #4f46e5;
  margin-top: 2px;
}
.settings-envvar-banner strong {
  display: block;
  margin-bottom: 4px;
}
.settings-envvar-banner p {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
}

/* --- mode toggle --- */
.settings-mode-toggle {
  display: inline-flex;
  flex-shrink: 0;
  border: 1px solid #ccc;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 16px;
  background: #fff;
}
.settings-mode-toggle button {
  padding: 6px 14px;
  border: 0;
  background: transparent;
  color: #555;
  font: inherit;
  cursor: pointer;
}
.settings-mode-toggle button.active {
  background: var(--etherpad-color, #0f775b);
  color: #fff;
}

/* --- form (light, two-column) --- */
.settings-form {
  font-family: inherit;
  font-size: 14px;
  color: #333;
}

.settings-section {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 6px;
  margin-bottom: 18px;
  overflow: hidden;
}
.settings-section-header {
  padding: 14px 18px;
  border-bottom: 1px solid #eee;
  background: #fafafa;
}
.settings-section-header h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: #222;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.settings-section-header p {
  margin: 4px 0 0;
  font-size: 13px;
  color: #666;
  white-space: pre-wrap;
}
.settings-section-body {
  padding: 4px 0;
}

/* Two-column row: label | control, with help below spanning column 2.
 * Single-column on narrow widths. */
.settings-row {
  display: grid;
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr);
  gap: 6px 18px;
  padding: 10px 18px;
  align-items: center;
  border-top: 1px solid #f4f4f4;
}
.settings-row:first-child {
  border-top: 0;
}
.settings-row-label {
  font-weight: 600;
  color: #333;
  word-break: break-word;
}
.settings-row-control {
  min-width: 0;
}
.settings-row-help {
  grid-column: 2;
  margin: 2px 0 0;
  font-size: 12.5px;
  color: #666;
  white-space: pre-wrap;
  line-height: 1.4;
}

@media (max-width: 600px) {
  .settings-row {
    grid-template-columns: 1fr;
  }
  .settings-row-help {
    grid-column: 1;
  }
}

/* --- nested subsections (objects/arrays inside a section) --- */
.settings-subsection {
  grid-column: 1 / -1;
  margin: 8px 18px;
  border-left: 3px solid #e2e2e2;
  padding-left: 14px;
}
.settings-subsection-header {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 0;
}
.settings-subsection-title {
  font-weight: 600;
  color: #444;
  font-size: 13.5px;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.settings-subsection-help {
  color: #777;
  font-size: 12.5px;
  white-space: pre-wrap;
}
.settings-subsection-body .settings-row {
  padding-left: 0;
  padding-right: 0;
}

/* --- leaf widgets (light) --- */
.settings-widget-string,
.settings-widget-number {
  width: 100%;
  background: #fff;
  color: #222;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 6px 10px;
  font-family: inherit;
  font-size: inherit;
}
.settings-widget-string:focus,
.settings-widget-number:focus {
  outline: none;
  border-color: var(--etherpad-color, #0f775b);
  box-shadow: 0 0 0 3px rgba(15, 119, 91, 0.15);
}
.settings-widget-number.invalid {
  border-color: #ce5050;
}
.settings-widget-null {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  background: #f0f0f0;
  color: #888;
  font-style: italic;
  font-size: 12.5px;
}
.settings-widget-env {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #f4f8ff;
  color: #335;
  border: 1px dashed #88a;
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 13px;
}
.settings-widget-env-icon {
  font-style: normal;
  color: #557;
}
.settings-widget-env-name {
  font-family: "Fira Code", monospace;
  font-weight: 600;
}
.settings-widget-env-default-label {
  color: #557;
  font-size: 12px;
  text-transform: lowercase;
}
.settings-widget-env-default-input {
  background: white;
  border: 1px solid #ccd;
  border-radius: 6px;
  padding: 1px 6px;
  font-family: "Fira Code", monospace;
  font-size: 13px;
  color: #804;
  min-width: 80px;
  max-width: 240px;
  width: auto;
}
.settings-widget-env-default-input:focus {
  outline: 2px solid var(--accent, #2b8a3e);
  outline-offset: 1px;
}
.settings-widget-env-runtime {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 4px;
  padding: 1px 8px;
  border-radius: 10px;
  background: #e6f4ea;
  color: #1e5631;
  font-family: "Fira Code", monospace;
  font-size: 12px;
}
.settings-widget-env-runtime-redacted {
  background: #ececec;
  color: #555;
}
.settings-widget-env-runtime-arrow {
  opacity: 0.6;
}
.settings-widget-env-runtime-label {
  font-style: italic;
  opacity: 0.7;
}
.settings-widget-env-runtime-value {
  font-weight: 600;
}

/* Radix switch (boolean) */
.settings-widget-boolean {
  appearance: none;
  width: 36px;
  height: 20px;
  border-radius: 999px;
  background: #ccc;
  border: 0;
  position: relative;
  cursor: pointer;
  transition: background 120ms ease;
  padding: 0;
}
.settings-widget-boolean[data-state="checked"] {
  background: var(--etherpad-color, #0f775b);
}
.settings-widget-boolean-thumb {
  display: block;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transform: translateX(2px);
  transition: transform 120ms ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.settings-widget-boolean[data-state="checked"] .settings-widget-boolean-thumb {
  transform: translateX(18px);
}

/* --- parse error --- */
.settings-parse-error {
  border: 1px solid #d99;
  background: #fff5f5;
  color: #842;
  padding: 14px 18px;
  border-radius: 6px;
}
.settings-parse-error-detail {
  margin: 8px 0;
  white-space: pre-wrap;
  font-family: "Fira Code", monospace;
  font-size: 12.5px;
}
.settings-parse-error button {
  margin-top: 4px;
  background: var(--etherpad-color, #0f775b);
  color: #fff;
  border: 0;
  padding: 6px 14px;
  border-radius: 4px;
  cursor: pointer;
  font: inherit;
}