/* Settings — self-contained shell (main styles.css no longer provides app-shell) */

:root {
  --st-bg: #f4f4f5;
  --st-surface: #ffffff;
  --st-border: #e4e4e7;
  --st-border-strong: #d4d4d8;
  --st-text: #18181b;
  --st-muted: #71717a;
  --st-faint: #a1a1aa;
  --st-accent: #2563eb;
  --st-accent-soft: #dbeafe;
  --st-ok: #15803d;
  --st-danger: #dc2626;
  --st-rail-w: 200px;
  --st-top-h: 48px;
  --st-radius: 8px;
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  color: var(--st-text);
  line-height: 1.45;
}

* {
  box-sizing: border-box;
}

html,
body.settings-page {
  height: 100%;
  margin: 0;
  background: var(--st-bg);
  color: var(--st-text);
}

button,
input,
textarea {
  font: inherit;
}

code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.85em;
  background: #f4f4f5;
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

/* —— Top bar —— */
.st-top {
  height: var(--st-top-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: var(--st-surface);
  border-bottom: 1px solid var(--st-border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.st-brand {
  font-weight: 650;
  font-size: 15px;
  letter-spacing: -0.02em;
  color: var(--st-text);
  text-decoration: none;
}

.st-brand:hover {
  color: var(--st-accent);
}

.st-nav {
  display: flex;
  gap: 4px;
}

.st-nav a {
  padding: 6px 12px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--st-muted);
  font-size: 13px;
  font-weight: 500;
}

.st-nav a:hover {
  color: var(--st-text);
  background: #f4f4f5;
}

.st-nav a[aria-current="page"] {
  color: var(--st-accent);
  background: var(--st-accent-soft);
}

/* —— Shell —— */
.st-shell {
  display: grid;
  grid-template-columns: var(--st-rail-w) minmax(0, 1fr);
  min-height: calc(100% - var(--st-top-h));
  max-width: 1100px;
  margin: 0 auto;
}

.st-rail {
  padding: 20px 12px;
  border-right: 1px solid var(--st-border);
  background: var(--st-surface);
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-height: calc(100dvh - var(--st-top-h));
}

.st-rail-label {
  margin: 0 8px 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--st-faint);
}

.st-rail-item {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  padding: 9px 12px;
  border-radius: 6px;
  color: var(--st-muted);
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
}

.st-rail-item:hover {
  background: #f4f4f5;
  color: var(--st-text);
}

.st-rail-item.active {
  background: var(--st-accent-soft);
  color: var(--st-accent);
}

.st-rail-note {
  margin-top: auto;
  padding: 12px 8px 4px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--st-faint);
}

/* —— Main —— */
.st-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: calc(100dvh - var(--st-top-h));
}

.st-main-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px 12px;
}

.st-main-head h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.st-sub {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--st-muted);
}

.st-main-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.active-settings-bar,
.st-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 28px;
  padding: 10px 12px;
  background: var(--st-surface);
  border: 1px solid var(--st-border);
  border-radius: var(--st-radius);
  font-size: 12px;
}

.active-settings-bar .label,
.st-status .label {
  color: var(--st-faint);
  margin-right: 2px;
}

.active-settings-bar .active-tag,
.st-status .active-tag {
  padding: 3px 10px;
  border-radius: 999px;
  background: #f4f4f5;
  border: 1px solid var(--st-border);
  color: var(--st-text);
  font-weight: 500;
}

.active-settings-bar .active-tag.missing,
.st-status .active-tag.missing {
  color: var(--st-danger);
  border-color: #fecaca;
  background: #fef2f2;
}

.st-body {
  flex: 1;
  padding: 16px 28px 40px;
  overflow-y: auto;
}

.settings-section.hidden {
  display: none;
}

/* —— Buttons —— */
.btn-primary,
.btn-secondary,
.btn-danger,
.config-card-actions button {
  border-radius: 6px;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--st-accent);
  color: #fff;
  border-color: var(--st-accent);
}

.btn-primary:hover {
  background: #1d4ed8;
}

.btn-secondary {
  background: var(--st-surface);
  color: var(--st-text);
  border-color: var(--st-border-strong);
}

.btn-secondary:hover {
  background: #f4f4f5;
}

.btn-danger {
  background: transparent;
  color: var(--st-danger);
  border-color: #fecaca;
}

.btn-danger:hover {
  background: #fef2f2;
}

.danger-outline {
  border-color: #fecaca !important;
  color: var(--st-danger) !important;
}

/* —— Cards —— */
.card-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 640px;
}

.empty-hint {
  margin: 24px 0;
  color: var(--st-muted);
  font-size: 13px;
}

.config-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: var(--st-surface);
  border: 1px solid var(--st-border);
  border-radius: var(--st-radius);
}

.config-card:hover {
  border-color: var(--st-border-strong);
}

.config-card.active {
  border-color: #93c5fd;
  box-shadow: inset 3px 0 0 var(--st-accent);
}

.config-card-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.config-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  color: #fff;
}

.config-card-icon.api {
  background: #3b82f6;
}

.config-card-icon.preset {
  background: #0f766e;
}

.config-card-info {
  flex: 1;
  min-width: 0;
}

.config-card-title {
  font-weight: 600;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--st-accent-soft);
  color: var(--st-accent);
}

.config-card-meta {
  color: var(--st-muted);
  font-size: 12px;
  word-break: break-all;
  margin-top: 4px;
  line-height: 1.5;
}

.config-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-left: 48px;
}

.config-card-actions button:not(.btn-danger):not(.btn-activate):not(.btn-active-label) {
  background: #f4f4f5;
  color: var(--st-text);
  border: 1px solid transparent;
}

.config-card-actions button:not(.btn-danger):not(.btn-activate):not(.btn-active-label):hover {
  background: var(--st-accent-soft);
  color: var(--st-accent);
}

.config-card-actions .btn-activate {
  background: var(--st-text) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
}

.config-card-actions .btn-activate:hover {
  background: #000 !important;
}

.config-card-actions .btn-active-label {
  background: var(--st-accent-soft);
  color: var(--st-accent);
  border: none;
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: default;
}

.test-result {
  font-size: 12px;
  padding-left: 48px;
}

.test-result.ok {
  color: var(--st-ok);
}

.test-result.fail {
  color: var(--st-danger);
}

/* —— Toast —— */
.settings-toast {
  margin: 10px 28px 0;
  padding: 10px 14px;
  border-radius: var(--st-radius);
  background: #ecfdf5;
  color: var(--st-ok);
  font-size: 13px;
  border: 1px solid #bbf7d0;
}

.settings-toast.error {
  background: #fef2f2;
  color: var(--st-danger);
  border-color: #fecaca;
}

/* —— Preset entries —— */
.import-report {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--st-surface);
  border: 1px solid var(--st-border);
  border-radius: var(--st-radius);
  font-size: 12px;
  overflow-x: auto;
  white-space: pre-wrap;
  color: var(--st-muted);
  max-width: 640px;
  line-height: 1.6;
  font-family: inherit;
}

.import-report-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
}

.preset-entries-panel {
  margin-top: 4px;
  padding-left: 48px;
}

.preset-entries-inner {
  border: 1px solid var(--st-border);
  border-radius: var(--st-radius);
  background: #fafafa;
  padding: 12px;
}

.preset-gen-params {
  font-size: 12px;
  color: var(--st-muted);
  margin-bottom: 10px;
  line-height: 1.5;
}

.preset-entries-summary {
  font-size: 12px;
  color: var(--st-faint);
  margin: 0 0 10px;
}

.preset-entry {
  background: var(--st-surface);
  border: 1px solid var(--st-border);
  border-radius: 6px;
  padding: 0;
  margin-bottom: 8px;
  overflow: hidden;
}

.preset-entry:last-child {
  margin-bottom: 0;
}

.preset-entry.skipped {
  opacity: 1;
}

.preset-entry.disabled {
  opacity: 0.72;
}

.preset-entry.is-open {
  border-color: #93c5fd;
  box-shadow: 0 0 0 1px var(--st-accent-soft);
}

.preset-entry-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 10px 12px;
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}

.preset-entry-head:hover {
  background: #fafafa;
}

.preset-entry.is-open .preset-entry-head {
  background: #f8fafc;
  border-bottom: 1px solid var(--st-border);
}

.entry-enable {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--st-muted);
  cursor: pointer;
  user-select: none;
}

.entry-enable input {
  accent-color: var(--st-accent);
}

.entry-name {
  flex: 1;
  min-width: 6rem;
  font-weight: 600;
  color: var(--st-text);
}

.entry-chevron {
  margin-left: auto;
  color: var(--st-faint);
  font-size: 11px;
}

.entry-preview {
  margin: 0;
  padding: 0 12px 10px 48px;
  font-size: 11px;
  color: var(--st-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
  cursor: pointer;
}

.preset-entry.is-open .entry-preview {
  display: none;
}

.preset-entry-body {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #fafafa;
}

.preset-entry-body[hidden] {
  display: none;
}

.entry-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--st-muted);
}

.entry-name-input {
  width: 100%;
  border: 1px solid var(--st-border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 600;
  background: var(--st-surface);
  color: var(--st-text);
}

.entry-name-input:focus {
  outline: none;
  border-color: #93c5fd;
  box-shadow: 0 0 0 2px var(--st-accent-soft);
}

.preset-entry-editor {
  display: block;
  width: 100%;
  margin: 0;
  padding: 10px 12px;
  background: var(--st-surface);
  border: 1px solid var(--st-border);
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  resize: vertical;
  min-height: 5rem;
  font-family: ui-monospace, Consolas, monospace;
  color: var(--st-text);
}

.preset-entry-editor:focus {
  outline: none;
  border-color: #93c5fd;
  box-shadow: 0 0 0 2px var(--st-accent-soft);
}

.preset-entry-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 2px;
}

.entry-skip.ok {
  color: var(--st-ok);
}

.entry-index {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--st-accent-soft);
  color: var(--st-accent);
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.entry-role {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.entry-role.role-system {
  background: #dbeafe;
  color: #1d4ed8;
}

.entry-role.role-user {
  background: #dcfce7;
  color: #15803d;
}

.entry-role.role-assistant {
  background: #f4f4f5;
  color: #52525b;
}

.entry-name {
  font-weight: 600;
}

.entry-skip {
  font-size: 11px;
  color: var(--st-faint);
}

.preset-entry-content {
  margin: 0;
  padding: 10px 12px;
  background: #f4f4f5;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 240px;
  overflow: auto;
  font-family: ui-monospace, Consolas, monospace;
}

.preset-entry-empty {
  margin: 0;
  font-size: 12px;
  color: var(--st-faint);
  font-style: italic;
}

/* —— Storage —— */
.storage-card {
  max-width: 640px;
  padding: 20px;
  border: 1px solid var(--st-border);
  border-radius: var(--st-radius);
  background: var(--st-surface);
}

.storage-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.settings-help {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--st-muted);
  line-height: 1.55;
}

.settings-help.muted {
  margin-top: -6px;
  font-size: 12px;
  color: var(--st-faint);
}

.storage-card .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 500;
}

.storage-card .field input {
  max-width: 120px;
  padding: 8px 10px;
  border: 1px solid var(--st-border-strong);
  border-radius: 6px;
  background: var(--st-surface);
  color: inherit;
}

.storage-card .field input:focus {
  outline: none;
  border-color: #93c5fd;
  box-shadow: 0 0 0 3px var(--st-accent-soft);
}

.storage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

/* —— Dialog —— */
.profile-dialog {
  border: none;
  border-radius: 10px;
  padding: 0;
  background: var(--st-surface);
  color: var(--st-text);
  max-width: 420px;
  width: calc(100% - 32px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
}

.profile-dialog::backdrop {
  background: rgba(24, 24, 27, 0.4);
}

.profile-dialog form {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.profile-dialog h3 {
  margin: 0 0 2px;
  font-size: 16px;
  font-weight: 650;
}

.profile-dialog label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--st-muted);
  font-weight: 500;
}

.profile-dialog input {
  padding: 9px 12px;
  border-radius: 6px;
  border: 1px solid var(--st-border-strong);
  background: var(--st-surface);
  color: var(--st-text);
  font-size: 14px;
}

.profile-dialog input:focus {
  outline: none;
  border-color: #93c5fd;
  box-shadow: 0 0 0 3px var(--st-accent-soft);
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 6px;
}

/* —— Compat aliases used by settings.js —— */
.sidebar-nav-item {
  /* JS still toggles .active on these; map to rail items */
}

.active-settings-bar {
  /* id used; styled via .st-status on same element — keep both */
}

@media (max-width: 800px) {
  .st-shell {
    grid-template-columns: 1fr;
  }

  .st-rail {
    min-height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    border-right: none;
    border-bottom: 1px solid var(--st-border);
    padding: 12px;
    gap: 6px;
  }

  .st-rail-label,
  .st-rail-note {
    display: none;
  }

  .st-rail-item {
    width: auto;
  }

  .st-main-head,
  .st-status,
  .active-settings-bar,
  .settings-toast,
  .st-body {
    padding-left: 16px;
    padding-right: 16px;
  }

  .st-status,
  .active-settings-bar,
  .settings-toast {
    margin-left: 16px;
    margin-right: 16px;
  }

  .config-card-actions,
  .test-result,
  .preset-entries-panel {
    padding-left: 0;
  }
}