:root{--primary-blue:#1F56E8;--primary-blue-light:#EBF1FF;--primary-hover:#1645D0;--primary-dim:#0D2880;--accent-purple:#3A2EC4;--accent-indigo:#3A2EC4;--accent-indigo-light:#EEEAFC;--accent-indigo-hover:#2C22A8;--accent-indigo-dim:#1A1568;--loading-blue:#1F56E8;--loading-blue-light:#0D2880;--background:#F7F9FC;--surface:#FFFFFF;--surface-raised:#FFFFFF;--border:#E2E8F2;--secondary-border:#C8D3E8;--text-dark:#0C111D;--text-soft:#4A5470;--text-muted:#8A96B0;--text-light:#F0F4FF;--success:#0D9E6B;--warning:#D07808;--error:#D93025;--info:#1F56E8;--success-light:#D0F5E8;--warning-light:#FEF0CC;--error-light:#FDE8E6;--info-light:#EBF1FF;--primary-blue-dark:#4475F5;--primary-blue-dim:#0D2880;--accent-purple-dark:#6B5FEF;--background-dark:#09090E;--surface-dark:#0F1118;--input-dark:#161B26;--surface-raised-dark:#161B26;--border-dark:#1C2235;--border-dark-strong:#252C42;--text-primary-dark:#F0F4FF;--text-secondary-dark:#5A6480;--text-light-dark:#2A3050;--success-dark:#2DD4A0;--warning-dark:#F4B730;--error-dark:#F26B60;--info-dark:#4475F5;--success-light-dark:rgba(13,158,107,0.15);--warning-light-dark:rgba(208,120,8,0.15);--error-light-dark:rgba(217,48,37,0.15);--info-light-dark:rgba(31,86,232,0.18);--accent-red:#D93025;--accent-green:#0D9E6B;--accent-blue:#1F56E8;--voice-highlight-bg:rgba(31,86,232,0.10);--voice-highlight-border:rgba(31,86,232,0.25);--code-bg:#F0F4FA;--code-border:#E2E8F2;--code-text:#0C111D;--space-xs:0.25rem;--space-sm:0.5rem;--space-md:1rem;--space-lg:1.5rem;--space-xl:2rem;--space-2xl:3rem;--space-3xl:4rem;--space-4xl:6rem;--space-5xl:7.5rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--shadow-sm:0 1px 3px rgba(12,17,29,0.06),0 1px 2px rgba(12,17,29,0.04);--shadow-md:0 4px 12px rgba(12,17,29,0.08),0 2px 6px rgba(12,17,29,0.04);--shadow-lg:0 12px 28px rgba(12,17,29,0.10),0 4px 12px rgba(12,17,29,0.05);--transition-fast:0.15s ease;--transition-normal:0.25s ease;--transition-slow:0.45s ease}[data-theme="dark"]{--primary-blue:var(--primary-blue-dark);--primary-blue-light:var(--primary-blue-dim);--primary-hover:#3060E0;--accent-purple:var(--accent-purple-dark);--accent-indigo:var(--accent-purple-dark);--accent-indigo-light:var(--accent-indigo-dim);--background:var(--background-dark);--surface:var(--surface-dark);--surface-raised:var(--surface-raised-dark);--border:var(--border-dark);--secondary-border:var(--border-dark-strong);--text-dark:var(--text-primary-dark);--text-soft:var(--text-secondary-dark);--text-muted:var(--text-light-dark);--text-light:#161B26;--success:var(--success-dark);--warning:var(--warning-dark);--error:var(--error-dark);--info:var(--info-dark);--success-light:var(--success-light-dark);--warning-light:var(--warning-light-dark);--error-light:var(--error-light-dark);--info-light:var(--info-light-dark);--voice-highlight-bg:rgba(68,117,245,0.15);--voice-highlight-border:rgba(68,117,245,0.35);--code-bg:#161B26;--code-border:#1C2235;--code-text:#F0F4FF;--shadow-sm:0 1px 3px rgba(0,0,0,0.35),0 1px 2px rgba(0,0,0,0.25);--shadow-md:0 4px 12px rgba(0,0,0,0.40),0 2px 6px rgba(0,0,0,0.25);--shadow-lg:0 12px 28px rgba(0,0,0,0.50),0 4px 12px rgba(0,0,0,0.30)}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.dd-theme-toggle:hover .theme-icon{transform:none}}