/* AI provider uses the same narrow content, section headings and controls as Settings. */
.ai-settings { max-width: 620px; color: var(--text); font-size: 13px; }
.ai-settings [hidden] { display: none !important; }
.ai-settings .ai-title-line { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }
.ai-settings .ai-admin-title, .ai-settings .ai-settings-title { margin: 0; font-size: 15px; font-weight: 600; }
.ai-settings .ai-scope { padding: 2px 6px; border: 1px solid var(--border); border-radius: 4px; color: var(--text3); font-size: 10.5px; line-height: 1.2; }
.ai-settings .ai-description { margin: 0 0 7px; color: var(--text3); font-size: 12px; line-height: 1.5; }
.ai-settings .ai-current { display: flex; align-items: baseline; flex-wrap: wrap; gap: 4px 7px; color: var(--text2); font-size: 12px; }
.ai-settings .ai-current span { color: var(--text3); }
.ai-settings .ai-current strong { color: var(--text); font-weight: 600; overflow-wrap: anywhere; }
.ai-settings .ai-current small { color: var(--text3); font-size: 11px; }
.ai-settings .ai-current small:not(:empty)::before { content: '· '; }
.ai-settings .ai-save-state { margin: 8px 0 0; color: var(--text3); font-size: 11.5px; }
.ai-settings .ai-save-state.pending { color: var(--yellow); }
.ai-settings .ai-section { margin-top: 24px; }
.ai-settings .config-cat-header { margin-bottom: 5px; }
.ai-settings .ai-section-hint { margin: 0 0 10px; }
.ai-settings .ai-hint { color: var(--text3); font-size: 11.5px; line-height: 1.5; margin: 4px 0 9px; }
.ai-settings .ai-source-toolbar { display: flex; align-items: stretch; gap: 7px; margin-bottom: 10px; }
.ai-settings .ai-sources { display: flex; flex: 1; min-width: 0; gap: 6px; overflow-x: auto; padding-bottom: 2px; }
.ai-settings .ai-source { display: flex; flex: 0 0 145px; flex-direction: column; justify-content: center; gap: 2px; min-width: 0; padding: 6px 9px; text-align: left; font: inherit; background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); cursor: pointer; }
.ai-settings .ai-source:hover { border-color: var(--border2); }
.ai-settings .ai-source.selected { border-color: var(--accent); background: var(--bg3); }
.ai-settings .ai-source-title { display: flex; align-items: center; justify-content: space-between; gap: 5px; min-width: 0; }
.ai-settings .ai-source-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; font-weight: 600; }
.ai-settings .ai-source small { color: var(--text3); font-size: 10.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ai-settings .ai-default-badge { flex-shrink: 0; color: var(--accent); font-size: 10px; font-style: normal; font-weight: 600; }
.ai-settings .ai-source-editor { padding: 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg1); }
.ai-settings .ai-editor-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 11px; }
.ai-settings .ai-editor-heading strong { font-size: 12.5px; font-weight: 600; overflow-wrap: anywhere; }
.ai-settings .ai-subsection { border-top: 1px solid var(--border); padding-top: 11px; margin-top: 2px; }
.ai-settings .ai-field { display: flex; flex-direction: column; gap: 4px; margin: 0 0 11px; color: var(--text2); font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.ai-settings .ai-field input, .ai-settings .ai-field select { box-sizing: border-box; width: 100%; min-width: 0; background: var(--bg2); color: var(--text); border: 1px solid var(--border2); border-radius: 8px; padding: 7px 9px; font: inherit; font-size: 13px; font-weight: 400; letter-spacing: normal; text-transform: none; outline: none; }
.ai-settings .ai-field input:focus, .ai-settings .ai-field select:focus { border-color: var(--accent); }
.ai-settings .ai-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 5px 0 9px; }
.ai-settings .ai-button { padding: 6px 11px; border: 1px solid var(--border2); border-radius: var(--radius); background: var(--bg3); color: var(--text2); font: inherit; font-size: 12px; cursor: pointer; white-space: nowrap; }
.ai-settings .ai-button:hover { color: var(--text); background: var(--bg4); }
.ai-settings .ai-button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent, #fff); font-weight: 600; }
.ai-settings .ai-button.danger { color: var(--red); }
.ai-settings button:disabled { opacity: .5; cursor: not-allowed; }
.ai-settings.is-busy button:disabled { cursor: wait; }
.ai-settings .ai-connect-status { flex: 1; min-width: 140px; color: var(--text2); font-size: 12px; overflow-wrap: anywhere; }
.ai-settings .ai-advanced { margin: 8px 0 0; }
.ai-settings .ai-advanced summary { cursor: pointer; color: var(--text3); font-size: 12px; }
.ai-settings .ai-advanced[open] summary { margin-bottom: 9px; }
.ai-settings .ai-default-action { display: flex; align-items: center; justify-content: space-between; gap: 8px; border-top: 1px solid var(--border); padding-top: 10px; margin-top: 10px; color: var(--text3); font-size: 11.5px; }
.ai-settings .ai-default-action .ai-button { flex-shrink: 0; }
.ai-settings .ai-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 10px 12px; background: var(--bg1); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; }
.ai-settings .ai-row-title { font-size: 13px; font-weight: 600; }
.ai-settings .ai-row .ai-hint { margin: 2px 0 0; }
.ai-settings .toggle-switch { margin: 0; flex-shrink: 0; }
.ai-settings .ai-vision { margin-top: 10px; }
.ai-settings .ai-clear-key { max-width: 420px; }
.ai-settings .ai-footer { margin-top: 18px; }
.ai-settings .ai-footer .ai-hint { margin-top: 0; }
.ai-settings .ai-status { min-height: 18px; color: var(--text2); font-size: 12px; line-height: 1.5; overflow-wrap: anywhere; }
.ai-settings .ai-status.error { color: var(--red); }
.ai-settings .ai-model-settings-row { display:flex; align-items:center; justify-content:space-between; gap:8px; margin-top:9px; }
.ai-settings .ai-model-settings-row .ai-hint { margin:0; overflow-wrap:anywhere; }
.ai-settings .ai-model-settings-row .ai-button { flex-shrink:0; }
.ai-settings .ai-model-dialog { box-sizing:border-box; width:min(440px, calc(100vw - 24px)); max-height:calc(100vh - 32px); margin:auto; padding:18px; background:var(--bg1); color:var(--text); border:1px solid var(--border2); border-radius:12px; box-shadow:0 20px 60px rgba(0,0,0,.4); }
.ai-settings .ai-model-dialog::backdrop { background:rgba(0,0,0,.45); backdrop-filter:blur(2px); }
.ai-settings .ai-model-dialog h3 { font-size:15px; margin:0 0 5px; }
.ai-settings .ai-model-dialog .ai-status { margin:8px 0; }
.ai-settings .ai-model-footer { display:flex; flex-wrap:wrap; justify-content:space-between; gap:8px; border-top:1px solid var(--border); padding-top:12px; }
.ai-settings .ai-model-footer > div { display:flex; gap:8px; }
@media (max-width: 600px) {
  .ai-settings .ai-source-toolbar { flex-wrap: wrap; }
  .ai-settings .ai-sources { flex-basis: 100%; }
  .ai-settings .ai-source { flex-basis: 150px; }
  .ai-settings .ai-default-action { align-items: flex-start; flex-direction: column; }
}