:root{--color-page-bg:#faf7f4;--color-surface-1:#ffffff;--color-surface-2:#f5f0ec;--color-surface-3:#ede8e4;--color-surface-4:#e5deda;--color-text-primary:#1a1825;--color-text-secondary:#4a4560;--color-text-muted:#8a87a0;--color-text-inverse:#ffffff;--color-brand:#c2185b;--color-brand-dark:#880e4f;--color-brand-light:#f48fb1;--color-brand-tint:rgba(194,24,91,0.08);--color-border-subtle:rgba(0,0,0,0.06);--color-border-default:rgba(0,0,0,0.1);--color-border-strong:rgba(0,0,0,0.16);--flag-green-bg:#16a34a;--flag-green-text:#ffffff;--flag-green-tint:rgba(22,163,74,0.1);--flag-green-border:rgba(22,163,74,0.25);--flag-yellow-bg:#d97706;--flag-yellow-text:#ffffff;--flag-yellow-tint:rgba(217,119,6,0.1);--flag-yellow-border:rgba(217,119,6,0.25);--flag-red-bg:#dc2626;--flag-red-text:#ffffff;--flag-red-tint:rgba(220,38,38,0.1);--flag-red-border:rgba(220,38,38,0.25);--bubble-sent-start:#c2185b;--bubble-sent-end:#880e4f;--bubble-received-bg:#ffffff;--bubble-received-text:#1a1825;--bg-chat-area:#f5f0f0;--call-missed-bg:#fff1f2;--call-missed-border:#fecdd3;--call-missed-text:#be123c;--call-normal-bg:#f8fafc;--call-normal-border:#e2e8f0;--call-normal-text:#475569;--color-online-dot:#22c55e;--shadow-card:0 2px 12px rgba(0,0,0,0.06);--shadow-hover:0 4px 20px rgba(0,0,0,0.1);--z-navbar:9999;--z-modal:9000;--z-guide-popup:8900;--z-dropdown:8700;--z-tooltip:8600}[data-theme=dark]{--color-page-bg:#0e0d14;--color-surface-1:#171620;--color-surface-2:#1f1e2c;--color-surface-3:#272636;--color-surface-4:#2f2e40;--color-text-primary:#eeedf8;--color-text-secondary:#a8a6c0;--color-text-muted:#6a6880;--color-text-inverse:#0e0d14;--color-brand:#e91e8c;--color-brand-dark:#c2185b;--color-brand-light:#f48fb1;--color-brand-tint:rgba(233,30,140,0.1);--color-border-subtle:rgba(255,255,255,0.05);--color-border-default:rgba(255,255,255,0.09);--color-border-strong:rgba(255,255,255,0.15);--flag-green-tint:rgba(22,163,74,0.08);--flag-yellow-tint:rgba(217,119,6,0.08);--flag-red-tint:rgba(220,38,38,0.08);--bubble-sent-start:#8b0a3d;--bubble-sent-end:#6b0830;--bubble-received-bg:#252436;--bubble-received-text:#e0dff2;--bg-chat-area:#0d0c13;--call-missed-bg:rgba(220,38,38,0.12);--call-missed-border:rgba(220,38,38,0.25);--call-missed-text:#fca5a5;--call-normal-bg:rgba(255,255,255,0.05);--call-normal-border:rgba(255,255,255,0.1);--call-normal-text:#8888aa;--shadow-card:0 2px 16px rgba(0,0,0,0.4);--shadow-hover:0 4px 24px rgba(0,0,0,0.5)}