:root{--sidebar-width:240px;--bg:#0d0d14;--surface:#16161f;--surface-2:#1e1e2b;--border:#28283a;--primary:#7c5cff;--primary-dark:#5f3fe0;--primary-light:#a48cff;--secondary:#f5b942;--accent:#4dd0c4;--success:#4ade80;--warning:#fbbf24;--error:#f87171;--text-primary:#f1f0f5;--text-secondary:#8b87a3}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.page,.app-page{max-width:480px;padding:20px 18px calc(90px + env(safe-area-inset-bottom));min-height:100vh;margin:0 auto}.bottom-nav{display:flex}.sidebar-nav{display:none}.list-grid{flex-direction:column;gap:10px;display:flex}@media (min-width:860px){.app-page{max-width:860px;margin:0 0 0 var(--sidebar-width);padding:40px 48px;transition:margin-left .18s}.bottom-nav{display:none}.sidebar-nav{display:flex}.list-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;display:grid}}.card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:20px}label{color:var(--text-secondary);margin:0 0 6px;font-size:13px;font-weight:600;display:block}input,select,textarea{border:1px solid var(--border);background:var(--surface-2);width:100%;color:var(--text-primary);border-radius:12px;outline:none;padding:13px 14px;font-family:inherit;font-size:15px;transition:border-color .15s}input:focus,select:focus,textarea:focus{border-color:var(--primary)}.btn{cursor:pointer;background:var(--primary);color:#fff;border:none;border-radius:14px;justify-content:center;align-items:center;gap:8px;width:100%;padding:14px 24px;font-family:inherit;font-size:15px;font-weight:700;transition:filter .15s,transform .15s;display:inline-flex}.btn:hover{filter:brightness(1.08)}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:default}.btn.secondary{background:var(--surface-2);color:var(--text-primary);border:1px solid var(--border)}.alert{border-radius:12px;margin-bottom:16px;padding:12px 14px;font-size:13.5px}.alert.error{color:#ffb3b3;background:#f871711f;border:1px solid #f871714d}