:root{--color-primary: #6C46F2;--color-primary-light: #8B6FF5;--color-primary-dark: #5338B5;--color-primary-bg: rgba(108, 70, 242, .08);--color-bg: #F7F8FC;--color-surface: #FFFFFF;--color-input: #F0F1F5;--color-bar: #FFFFFF;--color-text: #1A1B25;--color-text-secondary: #6B7280;--color-text-hint: #A0A5B4;--color-border: #E8EAF0;--color-shadow: 0 1px 3px rgba(0,0,0,.06);--color-user-bubble: #6C46F2;--color-user-text: #FFFFFF;--color-ai-bubble: #FFFFFF;--color-ai-text: #1A1B25;--color-success: #22C55E;--color-warning: #F59E0B;--color-error: #EF4444;--color-glass-bg: rgba(255, 255, 255, .82);--color-glass-bubble: rgba(255, 255, 255, .88);--color-glass-border: rgba(0, 0, 0, .06);--color-conn-warn-bg: #FEF3C7;--color-conn-warn-text: #92400E;--color-conn-error-bg: #FEE2E2;--color-conn-error-text: #991B1B;--color-overlay: rgba(0, 0, 0, .4);--color-overlay-heavy: rgba(0, 0, 0, .85);--color-immersive-fallback-start: #e8f4f8;--color-immersive-fallback-end: #f0f7fa;--color-character-fade: rgba(240, 247, 250, .8);--color-weather-grad-start: #4A90D9;--color-weather-grad-mid: #6CB3F0;--color-weather-grad-end: #87CEEB;--color-datetime-grad-start: #6C46F2;--color-datetime-grad-end: #8B6FF5;--color-service-grad-start: #0D9373;--color-service-grad-mid: #10B981;--color-service-grad-end: #2DD4A0;--color-joke-bg-start: #FFF9E6;--color-joke-bg-end: #FFF4D6;--color-joke-border: #FFB800;--color-joke-icon: #B8860B;--color-joke-text: #5A4B1A;--color-joke-tag-bg: rgba(184, 134, 11, .12);--color-joke-tag-text: #8B6914;--color-placeholder-warm-start: #FFE5E5;--color-placeholder-warm-end: #FFF0E0;--color-placeholder-product-start: #FFF5E6;--color-placeholder-product-end: #FFE8CC;--color-placeholder-purple-start: #E8E0FD;--color-placeholder-purple-end: #F0ECFF;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-bubble: 18px;--radius-full: 9999px;--font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--color-bg: #0F1117;--color-surface: #181B28;--color-input: #1A1D2E;--color-bar: #141720;--color-text: #E5E7EB;--color-text-secondary: #9CA3AF;--color-text-hint: #5C6070;--color-border: #272B3D;--color-shadow: 0 1px 3px rgba(0,0,0,.3);--color-ai-bubble: #1E2030;--color-ai-text: #E5E7EB;--color-glass-bg: rgba(15, 17, 23, .78);--color-glass-bubble: rgba(30, 32, 48, .85);--color-glass-border: rgba(255, 255, 255, .08);--color-conn-warn-bg: rgba(245, 158, 11, .12);--color-conn-warn-text: #FBBF24;--color-conn-error-bg: rgba(239, 68, 68, .12);--color-conn-error-text: #FCA5A5;--color-overlay: rgba(0, 0, 0, .6);--color-overlay-heavy: rgba(0, 0, 0, .92);--color-immersive-fallback-start: #0F1117;--color-immersive-fallback-end: #181B28;--color-character-fade: rgba(15, 17, 23, .8);--color-weather-grad-start: #2A5580;--color-weather-grad-mid: #3A6F99;--color-weather-grad-end: #4A87AD;--color-datetime-grad-start: #4A2EB8;--color-datetime-grad-end: #6248CC;--color-service-grad-start: #085C49;--color-service-grad-mid: #0A8A5F;--color-service-grad-end: #1BA87A;--color-joke-bg-start: #2A2410;--color-joke-bg-end: #25200D;--color-joke-border: #B8860B;--color-joke-icon: #FBBF24;--color-joke-text: #E5DCC8;--color-joke-tag-bg: rgba(251, 191, 36, .15);--color-joke-tag-text: #FBBF24;--color-placeholder-warm-start: #2E1A1A;--color-placeholder-warm-end: #2E2418;--color-placeholder-product-start: #2E2418;--color-placeholder-product-end: #2A1F10;--color-placeholder-purple-start: #1E1830;--color-placeholder-purple-end: #221E38}}[data-theme=dark]{--color-bg: #0F1117;--color-surface: #181B28;--color-input: #1A1D2E;--color-bar: #141720;--color-text: #E5E7EB;--color-text-secondary: #9CA3AF;--color-text-hint: #5C6070;--color-border: #272B3D;--color-shadow: 0 1px 3px rgba(0,0,0,.3);--color-ai-bubble: #1E2030;--color-ai-text: #E5E7EB;--color-glass-bg: rgba(15, 17, 23, .78);--color-glass-bubble: rgba(30, 32, 48, .85);--color-glass-border: rgba(255, 255, 255, .08);--color-conn-warn-bg: rgba(245, 158, 11, .12);--color-conn-warn-text: #FBBF24;--color-conn-error-bg: rgba(239, 68, 68, .12);--color-conn-error-text: #FCA5A5;--color-overlay: rgba(0, 0, 0, .6);--color-overlay-heavy: rgba(0, 0, 0, .92);--color-immersive-fallback-start: #0F1117;--color-immersive-fallback-end: #181B28;--color-character-fade: rgba(15, 17, 23, .8);--color-weather-grad-start: #2A5580;--color-weather-grad-mid: #3A6F99;--color-weather-grad-end: #4A87AD;--color-datetime-grad-start: #4A2EB8;--color-datetime-grad-end: #6248CC;--color-service-grad-start: #085C49;--color-service-grad-mid: #0A8A5F;--color-service-grad-end: #1BA87A;--color-joke-bg-start: #2A2410;--color-joke-bg-end: #25200D;--color-joke-border: #B8860B;--color-joke-icon: #FBBF24;--color-joke-text: #E5DCC8;--color-joke-tag-bg: rgba(251, 191, 36, .15);--color-joke-tag-text: #FBBF24;--color-placeholder-warm-start: #2E1A1A;--color-placeholder-warm-end: #2E2418;--color-placeholder-product-start: #2E2418;--color-placeholder-product-end: #2A1F10;--color-placeholder-purple-start: #1E1830;--color-placeholder-purple-end: #221E38}