:root,:root[data-theme=light]{--bg-app: #ffffff;--bg-sidebar: #f9f9fa;--bg-sidebar-hover: #f0f0f3;--bg-sidebar-active: #ececef;--bg-elevated: #ffffff;--bg-bubble-user: #f0f2f7;--bg-code: #f6f8fa;--bg-code-inline: #eef0f3;--bg-input: #f7f9fb;--bg-input-focus: #f2f5f9;--bg-suggestion: #ffffff;--bg-suggestion-hover: #f7f9fb;--bg-overlay: rgba(20, 20, 25, .35);--bg-modal: #ffffff;--bg-table-row-hover: #f7f9fb;--bg-tag: #eef0f6;--fg-primary: #1c1c1c;--fg-secondary: #40404a;--fg-muted: #6b6b70;--fg-faint: #9a9aa0;--fg-link: #007aff;--fg-on-accent: #ffffff;--border-default: #ececed;--border-strong: #dcdce0;--scrollbar-thumb: #d0d0d6;--scrollbar-thumb-hover: #b4b4bd;--border-input: #e4e4e8;--border-input-focus: #1c1c1c;--accent: #1c1c1c;--accent-hover: #000000;--brand: #5856d6;--brand-soft: #c6c7f8;--danger: #ff4747;--danger-hover: #e23a3a;--success: #34c759;--code-tag: #22863a;--code-attr: #6f42c1;--code-string: #032f62;--code-comment: #6a737d;--code-doctype: #6a737d;--code-punct: #6b6b70;--shadow-sm: 0 1px 2px rgba(16, 16, 24, .06);--shadow-md: 0 4px 16px rgba(16, 16, 24, .08);--shadow-lg: 0 12px 40px rgba(16, 16, 24, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-pill: 999px;--font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono: "SF Mono", Menlo, Consolas, ui-monospace, monospace}:root[data-theme=dark]{--bg-app: #1c1c1c;--bg-sidebar: #171717;--bg-sidebar-hover: #242424;--bg-sidebar-active: #2c2c2c;--bg-elevated: #262626;--bg-bubble-user: #2f2f2f;--bg-code: #0f0f0f;--bg-code-inline: #2b2b2b;--bg-input: #2b2b2b;--bg-input-focus: #303030;--bg-suggestion: #232323;--bg-suggestion-hover: #2c2c2c;--bg-overlay: rgba(0, 0, 0, .6);--bg-modal: #262626;--bg-table-row-hover: #262626;--bg-tag: #333338;--fg-primary: #ececec;--fg-secondary: #b4b4b8;--fg-muted: #8a8a90;--fg-faint: #5f5f66;--fg-link: #4aa3ff;--fg-on-accent: #1c1c1c;--border-default: #2f2f2f;--border-strong: #414146;--scrollbar-thumb: 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ease}.dtopbar__settings-row{display:flex;flex-direction:column;gap:6px}.dtopbar__settings-label{font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--fg-muted)}.dtopbar__settings-panel .model-picker,.dtopbar__settings-panel .effort-picker{width:100%}.dtopbar__settings-panel .model-picker__btn,.dtopbar__settings-panel .effort-picker__btn{width:100%;max-width:none;justify-content:flex-start}.dtopbar__settings-panel .model-picker__label{flex:1;max-width:none;text-align:left}.dtopbar__settings-panel .effort-picker__label{flex:1;text-align:left}.dtopbar__settings-panel .effort-picker__menu,.dtopbar__settings-panel .model-picker__menu{width:100%;min-width:0;max-width:none;left:0}.chat-settings{position:relative;flex-shrink:0}.chat-settings-btn{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 10px;background:transparent;border:1px solid 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var(--border-default);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:12px;display:flex;flex-direction:column;gap:12px;animation:fade-in .12s ease}.chat-settings-row{display:flex;flex-direction:column;gap:6px}.chat-settings-label{font-size:10.5px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--fg-muted)}.chat-settings-panel .model-picker,.chat-settings-panel .effort-picker{width:100%}.chat-settings-panel .model-picker__btn,.chat-settings-panel .effort-picker__btn{width:100%;max-width:none;justify-content:flex-start}.chat-settings-panel .model-picker__label{flex:1;max-width:none;text-align:left}.chat-settings-panel .effort-picker__label{flex:1;text-align:left}.chat-settings-panel .effort-picker__menu,.chat-settings-panel .model-picker__menu{width:100%;min-width:0;max-width:none;left:0}@keyframes msg-fade-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@keyframes caret-blink{0%,to{opacity:1}50%{opacity:0}}@keyframes 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