/* Settings is an operational surface: unframed groups, compact controls. */
.settings-page {
    --ink: #22262c; --muted: #626b76; --line: #e1e4e8; --soft: #edf3ff;
    --canvas: #fff; --blue: #1267ff; --green: #16805b; --danger: #bd3038;
    background: var(--canvas); color: var(--ink); font-size: 14px;
}
html[data-theme="dark"] .settings-page {
    --ink: #e8eaed; --muted: #afb6c0; --line: #3a3f46; --soft: #26334a;
    --canvas: #1b1d21; --green: #77d6b0; --danger: #ff9ca2;
    background: var(--canvas); color: var(--ink);
}
.settings-page .settings-main { padding: 36px 40px 48px; background: var(--canvas); }
.settings-page-heading { max-width: 1100px; margin: 0 auto 30px; }
.settings-page-heading h1 { margin: 0; font-size: 24px; font-weight: 650; line-height: 1.4; }
.settings-page .settings-grid { max-width: 1100px; margin: 0 auto; grid-template-columns: 152px minmax(0, 1fr); gap: 48px; }
.settings-page .settings-nav { top: 24px; margin: 0; padding: 0; gap: 4px; border: 0; border-radius: 0; box-shadow: none; background: transparent; }
.settings-page .settings-nav button { height: 42px; padding: 0 12px; font-size: 14px; font-weight: 500; border-radius: 6px; color: var(--muted); background: transparent; }
.settings-page .settings-nav button.active { color: var(--blue); background: var(--soft); font-weight: 600; }
.settings-page .settings-nav button:hover:not(.active) { background: var(--theme-soft, #f3f4f6); color: var(--ink); }
.settings-page .settings-section { min-width: 0; }
.settings-page .settings-section.active { gap: 20px; }
.settings-page .section-heading { min-height: 28px; justify-content: space-between; }
.settings-page .section-heading h2 { font-size: 20px; font-weight: 600; }
.settings-page .settings-card { padding: 0; border: 0; border-radius: 0; box-shadow: none; background: transparent; max-width: none; }
.settings-page .model-tabs { padding: 0; gap: 24px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; width: 100%; }
.settings-page .model-tabs button { padding: 0 0 10px; min-height: 38px; border-radius: 0; border-bottom: 2px solid transparent; background: transparent; box-shadow: none; font-size: 14px; font-weight: 500; color: var(--muted); }
.settings-page .model-tabs button.active { border-bottom-color: var(--blue); color: var(--blue); font-weight: 600; background: transparent; box-shadow: none; }
.settings-page .model-use-card { padding: 0 0 24px; border-bottom: 1px solid var(--line); }
.settings-page :is(.model-use-card h3, .provider-form-heading h3, .usage-card-heading h3) { font-size: 16px; font-weight: 600; }
.settings-page :is(.model-use-card p, .provider-form-heading p) { color: var(--muted); font-size: 13px; }
.settings-page .default-model-picker { min-width: 0; max-width: 60%; }
.settings-page .default-model-chip { max-width: 100%; background: var(--canvas); color: var(--ink); border-color: var(--line); border-radius: 6px; font-size: 14px; font-weight: 500; }
.settings-page #defaultModelLabel { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.settings-page .default-model-menu { background: var(--canvas); border-radius: 8px; max-width: calc(100vw - 32px); }
.settings-page .default-model-option { color: var(--ink); border-radius: 4px; font-weight: 500; }
.settings-page .default-model-option.active { background: var(--soft); color: var(--blue); }
.settings-page .provider-config-list { gap: 8px; padding: 0 0 12px; }
.settings-page .provider-config-item { flex-basis: 180px; min-height: 52px; border-radius: 6px; color: var(--ink); background: var(--canvas); border-color: var(--line); }
.settings-page .provider-config-item.active { border-color: var(--blue); background: var(--soft); }
.settings-page .provider-config-icon { background: transparent; border-radius: 0; }
.settings-page .provider-config-icon img { filter: none; width: 24px; height: 24px; }
.settings-page .provider-config-state.ready { box-shadow: none; }
.settings-page .provider-layout { gap: 8px; max-width: none; }
.settings-page .form-grid { margin-top: 22px; gap: 18px 16px; }
.settings-page .form-grid span { font-size: 13px; font-weight: 500; color: var(--muted); }
.settings-page :is(.form-grid input, .form-grid select, .provider-model-row > input, .usage-custom-range input) { height: 40px; border: 1px solid var(--line); border-radius: 6px; background: var(--canvas); color: var(--ink); font-size: 14px; box-shadow: none; }
.settings-page input::placeholder { color: var(--muted); opacity: 1; }
.settings-page input:disabled { color: var(--muted); background: var(--theme-soft, #f3f4f6); }
.settings-page .models-heading { margin-top: 30px; gap: 8px; }
.settings-page .models-heading h4 { font-size: 14px; font-weight: 600; }
.settings-page :is(.provider-model-header, .provider-model-row) { grid-template-columns: minmax(100px, 1fr) minmax(100px, 1fr) minmax(250px, 1.4fr) 36px; padding: 0; gap: 12px; }
.settings-page .provider-model-header { color: var(--muted); font-weight: 500; margin-top: 18px; }
.settings-page .provider-model-rows { gap: 12px; }
.settings-page .capability-checks { padding: 0; border: 0; border-radius: 0; min-width: 0; gap: 6px 10px; }
.settings-page .capability-checks label { color: var(--ink); font-size: 12px; font-weight: 400; min-height: 32px; }
.settings-page .capability-checks input { width: 14px; height: 14px; padding: 0; accent-color: var(--blue); }
.settings-page :is(.primary-button, .secondary-button, .quiet-button, .danger-quiet-button, .provider-model-row > button) { min-height: 36px; border-radius: 6px; font-size: 13px; font-weight: 500; box-shadow: none; border-color: var(--line); background: var(--canvas); color: var(--ink); }
.settings-page .primary-button { color: #fff; background: var(--blue); }
.settings-page .danger-quiet-button { color: var(--danger); }
.settings-page :is(.quiet-button, .secondary-button):hover { color: var(--blue); background: var(--soft); }
.settings-page .primary-button:hover:not(:disabled) { background: #0755dc; }
.settings-page .provider-form-actions { margin-top: 24px; padding-top: 18px; border-color: var(--line); }
.settings-page .provider-form-message { margin-top: 16px; font-size: 13px; font-weight: 400; color: var(--muted); }
.settings-page .provider-form-message:empty { display: none; }
.settings-page .provider-form-message.error { color: var(--danger); }
.settings-page .provider-form-message.success { color: var(--green); }
.settings-page .status-pill { border-radius: 4px; font-size: 12px; font-weight: 500; }
.settings-page .assistant-preference-group { padding: 16px 0 28px; }
.settings-page .assistant-preference-title h3 { font-size: 15px; font-weight: 600; }
.settings-page .assistant-preference-title p { color: var(--muted); font-weight: 400; }
.settings-page :is(.sound-controls, .assistant-width-settings) { margin-left: 0; max-width: 560px; }
.settings-page .assistant-width-settings strong { font-weight: 500; }
.settings-page .theme-options { max-width: 600px; gap: 16px; }
.settings-page .theme-options button { padding: 0; border: 0; border-radius: 0; gap: 12px; background: transparent; box-shadow: none; min-height: 0; color: var(--ink); }
.settings-page .theme-options button strong { font-size: 13px; font-weight: 500; }
.settings-page .theme-options button.active { background: transparent; box-shadow: none; color: var(--blue); }
.settings-page .theme-preview { display: grid; grid-template-columns: 28px 1fr; grid-template-rows: 24px 1fr; gap: 12px; height: 104px; padding: 12px; margin: 0; border: 1px solid var(--line); border-radius: 6px; background: #f6f7f9; }
.settings-page .theme-preview i { grid-row: 1 / -1; background: #e0e4eb; border-radius: 3px; }
.settings-page .theme-preview b { background: #fff; border: 1px solid #e0e4eb; border-radius: 3px; }
.settings-page [data-theme-mode="dark"] .theme-preview { background: #202328; }
.settings-page [data-theme-mode="dark"] .theme-preview :is(i, b) { background: #343942; border-color: #4a515c; }
.settings-page [data-theme-mode="system"] .theme-preview { background: linear-gradient(90deg, #f6f7f9 50%, #202328 50%); }
.settings-page .theme-options button.active .theme-preview { outline: 2px solid var(--blue); outline-offset: 3px; }
.settings-page .account-card { align-items: center; padding-block: 16px; }
.settings-page .account-card .primary-button { width: auto; min-height: 36px; border-radius: 6px; box-shadow: none; }
.settings-page .usage-summary-grid { gap: 16px; }
.settings-page .usage-summary-grid > div { min-height: 84px; border: 0; border-radius: 0; padding: 8px 16px 8px 0; box-shadow: none; background: transparent; }
.settings-page .usage-summary-grid > div + div { border-left: 1px solid var(--line); padding-left: 20px; }
.settings-page .usage-summary-grid strong { font-size: 24px; font-weight: 600; margin-top: 10px; color: var(--ink); }
.settings-page .usage-summary-grid svg { display: none; }
.settings-page :is(.usage-summary-grid span, #usageThroughDate, .usage-model-row span) { color: var(--muted); font-weight: 400; }
.settings-page .usage-panel { padding: 20px 0; border: 0; border-top: 1px solid var(--line); border-radius: 0; box-shadow: none; background: transparent; }
.settings-page .usage-range-tabs { padding: 0; gap: 4px; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.settings-page .usage-range-tabs button { min-height: 34px; padding: 0 10px; font-size: 12px; font-weight: 500; border-radius: 4px; color: var(--muted); }
.settings-page .usage-range-tabs button.active { background: var(--soft); color: var(--blue); box-shadow: none; }
.settings-page .usage-model-row { color: var(--ink); font-size: 13px; gap: 10px; }
.settings-page .usage-model-row strong { font-size: 13px; }
.settings-page .usage-donut { width: 160px; height: 160px; box-shadow: none; }
.settings-page .usage-donut strong { font-size: 22px; font-weight: 600; }
.settings-page :is(button, input, select):focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.settings-page .settings-main { scrollbar-color: var(--muted) var(--canvas); }
.settings-page ::selection { background: #b8d1ff; color: #13213c; }
.settings-page input { caret-color: var(--blue); }
@media (max-width: 1100px) {
    .settings-page .settings-main { padding-inline: 24px; }
    .settings-page .settings-grid { gap: 28px; grid-template-columns: 128px minmax(0, 1fr); }
    .settings-page .provider-model-header { display: none; }
    .settings-page .provider-model-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 36px; padding-block: 12px; border-bottom: 1px solid var(--line); }
    .settings-page .capability-checks { grid-column: 1 / -1; }
    .settings-page .provider-model-row > button { grid-column: 3; grid-row: 1; }
}
@media (max-width: 760px), (max-width: 980px) and (max-height: 500px) {
    .settings-page .settings-main { padding: 20px 16px calc(var(--mobile-nav-height, 62px) + 28px); }
    .settings-page-heading { margin-bottom: 18px; }
    .settings-page-heading h1 { font-size: 22px; }
    .settings-page .settings-grid { display: block; }
    .settings-page .settings-nav { position: static; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 0 0 16px; gap: 4px; margin-bottom: 20px; border-bottom: 1px solid var(--line); overflow: visible; }
    .settings-page .settings-nav button { padding: 0; min-height: 44px; font-size: 14px; justify-content: center; }
    .settings-page .section-heading h2 { font-size: 18px; }
    .settings-page .model-tabs { gap: 24px; }
    .settings-page .model-tabs button { min-height: 44px; }
    .settings-page .model-use-card { display: grid; gap: 12px; }
    .settings-page .default-model-picker { width: 100%; max-width: none; }
    .settings-page .default-model-chip { width: 100%; min-height: 44px; justify-content: space-between; }
    .settings-page .default-model-menu { width: 100%; }
    .settings-page .form-grid { grid-template-columns: minmax(0, 1fr); }
    .settings-page :is(.form-grid input, .form-grid select, .provider-model-row > input, .usage-custom-range input) { height: 44px; font-size: 16px; }
    .settings-page :is(.primary-button, .secondary-button, .quiet-button, .danger-quiet-button, .provider-model-row > button) { min-height: 44px; }
    .settings-page .account-card .primary-button { min-height: 44px; }
    .settings-page .sound-switch { width: 44px; height: 44px; }
    .settings-page .sound-switch > span { inset: 10px 1px; }
    .settings-page .models-heading { align-items: flex-start; flex-wrap: wrap; }
    .settings-page .provider-model-row { grid-template-columns: minmax(0, 1fr) 44px; gap: 10px; }
    .settings-page .provider-model-row > input { grid-column: 1; }
    .settings-page .provider-model-row > button { grid-column: 2; grid-row: 1 / span 2; width: 44px; height: 44px; }
    .settings-page .capability-checks label { min-height: 44px; font-size: 13px; }
    .settings-page .capability-checks input { width: 16px; height: 16px; }
    .settings-page .provider-form-actions { flex-wrap: wrap; align-items: flex-start; gap: 12px; }
    .settings-page .provider-form-actions > div { flex: 1; justify-content: flex-end; }
    .settings-page .sound-source-row { flex-wrap: wrap; }
    .settings-page .theme-options { gap: 12px; }
    .settings-page .theme-preview { height: 76px; padding: 8px; gap: 6px; grid-template-columns: 16px 1fr; grid-template-rows: 16px 1fr; }
    .settings-page .theme-options button { min-height: 100px; }
    .settings-page .account-card { align-items: flex-start; flex-direction: column; }
    .settings-page .usage-summary-grid { gap: 8px; }
    .settings-page .usage-summary-grid > div { padding-right: 4px; }
    .settings-page .usage-summary-grid > div + div { padding-left: 8px; }
    .settings-page .usage-summary-grid strong { font-size: 20px; overflow-wrap: anywhere; }
    .settings-page .usage-summary-grid span { font-size: 12px; }
    .settings-page .model-usage-panel { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; }
    .settings-page .usage-model-row { grid-template-columns: 5px minmax(0, 1fr) auto; }
    .settings-page .usage-model-row span:last-child { grid-column: 2 / -1; }
}
.settings-page .sound-switch input { inset: 0; width: 100%; height: 100%; margin: 0; z-index: 1; cursor: pointer; }
.settings-page .sound-switch > span { pointer-events: none; }