:root{--font-sans:var(--font-lexend),var(--font-noto-sc),system-ui,-apple-system,sans-serif;--font-mono:var(--font-dm-mono),var(--font-noto-sc),ui-monospace,monospace;--brand-50:#eef0ff;--brand-100:#e0e3ff;--brand-200:#c6ccff;--brand-300:#a3aaff;--brand-400:#7d82fa;--brand-500:#5b5ef0;--brand-600:#4f46e5;--brand-700:#4338ca;--brand-800:#372fa3;--brand-900:#2e2980;--success:#16a34a;--success-soft:#dcfce7;--warning:#d97706;--warning-soft:#fef3c7;--danger:#dc2626;--danger-soft:#fee2e2;--info:#2563eb;--info-soft:#dbeafe;--cat-all:var(--brand-600);--cat-planning:#2563eb;--cat-content:#7c3aed;--cat-homework:#ea580c;--cat-prep:#0d9488;--cat-interact:#e11d8f;--cat-comm:#0891b2;--cat-social:#d97706;--cat-assistant:#059669;--r-control:10px;--r-card:16px;--r-modal:22px;--r-pill:999px;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:24px;--sp-8:32px;--sp-10:40px;--sp-12:48px;--ease:cubic-bezier(.32,.72,.31,1)}.theme-light,:root{--bg:#f6f7fb;--bg-grad-1:#eef1ff;--bg-grad-2:#f6f7fb;--surface:#fff;--surface-2:#f9fafc;--surface-hover:#f3f4f9;--sidebar-bg:#fff;--sidebar-grad:linear-gradient(180deg,#fbfbfe,#f6f7fb);--border:#e8eaf1;--border-strong:#d8dbe6;--text:#161a27;--text-2:#4a5063;--text-3:#868ca0;--text-on-brand:#fff;--brand:var(--brand-600);--brand-ink:var(--brand-700);--brand-soft:var(--brand-50);--brand-soft-2:var(--brand-100);--ring:rgba(79,70,229,.35);--star:#f5b50a;--shadow-sm:0 1px 2px rgba(20,24,40,.05),0 1px 1px rgba(20,24,40,.04);--shadow-md:0 4px 14px -4px rgba(20,24,40,.1),0 2px 6px -2px rgba(20,24,40,.06);--shadow-lg:0 18px 40px -12px rgba(28,30,60,.2),0 6px 16px -8px rgba(20,24,40,.1);--shadow-brand:0 10px 26px -8px rgba(79,70,229,.45)}.theme-dark{--bg:#0c0e16;--bg-grad-1:#14162a;--bg-grad-2:#0c0e16;--surface:#161a26;--surface-2:#1c2030;--surface-hover:#232838;--sidebar-bg:#11131d;--sidebar-grad:linear-gradient(180deg,#15182700,#0e1019);--border:#262b3b;--border-strong:#343a4e;--text:#edeff7;--text-2:#aab0c2;--text-3:#6f7689;--text-on-brand:#fff;--brand:#7d82fa;--brand-ink:#a3aaff;--brand-soft:#1d1f3a;--brand-soft-2:#262a4d;--ring:rgba(125,130,250,.45);--star:#f7c948;--shadow-sm:0 1px 2px rgba(0,0,0,.4);--shadow-md:0 6px 18px -6px rgba(0,0,0,.55);--shadow-lg:0 22px 48px -14px rgba(0,0,0,.7);--shadow-brand:0 10px 26px -10px rgba(91,94,240,.6)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-size:15px;line-height:1.55;letter-spacing:-.003em}::-moz-selection{background:var(--brand-soft-2);color:var(--brand-ink)}::selection{background:var(--brand-soft-2);color:var(--brand-ink)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:99px;border:2px solid transparent;background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:var(--text-3);background-clip:padding-box}::-webkit-scrollbar-track{background:transparent}.t-display{font-size:30px;font-weight:700;letter-spacing:-.02em;line-height:1.15}.t-h1{font-size:24px;font-weight:700;letter-spacing:-.018em}.t-h2{font-size:18px;font-weight:650;letter-spacing:-.012em}.t-h3{font-size:15px;font-weight:600}.t-body{font-size:14px;font-weight:400}.t-sm{font-size:13px}.t-xs{font-size:12px}.t-mono{font-family:var(--font-mono);letter-spacing:0}.muted{color:var(--text-2)}.muted-2{color:var(--text-3)}@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}