:root{--bg:#f0f4ff;--bg-card:#fff;--text:#1a1f36;--text-secondary:#5e6278;--primary:#5b6af0;--primary-light:#eef0ff;--danger:#f43f5e;--warning:#f59e0b;--success:#10b981;--border:#e4e8f4;--shadow-sm:0 1px 3px #0000000d, 0 1px 2px #0000000a;--shadow-md:0 4px 16px #0000000f, 0 2px 6px #0000000a;--shadow-lg:0 8px 30px #00000014, 0 4px 10px #0000000a;--radius-sm:10px;--radius:16px;--radius-lg:22px;--nav-height:72px;--transition:.25s cubic-bezier(.4, 0, .2, 1);--glass-bg:#fffc;--glass-border:#fff6;--glass-shadow:0 8px 32px #0000000a}[data-theme=dark]{--bg:#0f1225;--bg-card:#1a1d35;--text:#eef0ff;--text-secondary:#9498b8;--primary:#818cf8;--primary-light:#1e2040;--border:#2a2d45;--shadow-sm:0 1px 3px #0000004d, 0 1px 2px #0003;--shadow-md:0 4px 16px #0000004d, 0 2px 6px #0003;--shadow-lg:0 8px 30px #0006, 0 4px 10px #0000004d;--glass-bg:#1a1d35bf;--glass-border:#ffffff14;--glass-shadow:0 8px 32px #0000004d;--danger:#fb7185;--warning:#fbbf24;--success:#34d399}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-tap-highlight-color:transparent;font-size:16px}body{background:var(--bg);color:var(--text);transition:background var(--transition), color var(--transition);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;overflow-x:hidden}.app-container{min-height:100vh;padding-bottom:calc(var(--nav-height) + 12px);flex-direction:column;animation:.35s ease-out pageIn;display:flex}@keyframes pageIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.main-content{flex:1;width:100%;max-width:700px;margin:0 auto;padding:20px 16px}.bottom-nav{width:calc(100% - 32px);max-width:520px;height:var(--nav-height);background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--glass-shadow);z-index:1000;justify-content:space-around;align-items:center;padding:0 6px;display:flex;position:fixed;bottom:12px;left:50%;transform:translate(-50%)}.nav-item{color:var(--text-secondary);transition:all var(--transition);border-radius:var(--radius);flex-direction:column;flex:1;justify-content:center;align-items:center;min-width:48px;min-height:48px;padding:6px 4px;font-size:10px;font-weight:500;text-decoration:none;display:flex;position:relative}.nav-item.active{color:var(--primary);font-weight:700;transform:translateY(-2px)}.nav-item.active:after{content:"";background:var(--primary);border-radius:3px;width:20px;height:3px;position:absolute;bottom:-4px}.nav-icon{transition:transform var(--transition);margin-bottom:2px;font-size:22px}.nav-item.active .nav-icon{transform:scale(1.15)}.nav-label{font-size:10px}.theme-toggle{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);width:44px;height:44px;box-shadow:var(--shadow-md);cursor:pointer;z-index:1100;transition:all var(--transition);color:var(--text);border-radius:50%;justify-content:center;align-items:center;font-size:20px;display:flex;position:fixed;top:16px;right:16px}.theme-toggle:hover{box-shadow:var(--shadow-lg);transform:scale(1.08)}.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow-sm);transition:all var(--transition);border:1px solid var(--border);margin-bottom:16px;padding:20px}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}input,textarea,select{background:var(--bg);color:var(--text);border:1.5px solid var(--border);border-radius:var(--radius-sm);width:100%;transition:all var(--transition);outline:none;margin-bottom:12px;padding:12px 16px;font-family:inherit;font-size:15px}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #5b6af026}textarea{resize:vertical;min-height:80px}button{border-radius:var(--radius-sm);background:var(--primary);color:#fff;cursor:pointer;min-width:46px;min-height:46px;transition:all var(--transition);letter-spacing:.3px;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:6px;padding:10px 20px;font-family:inherit;font-size:15px;font-weight:600;display:inline-flex}button:hover{transform:translateY(-1px);box-shadow:0 4px 14px #5b6af059}button:active{filter:brightness(.95);transform:translateY(0)}.btn-danger{background:var(--danger)}.btn-danger:hover{box-shadow:0 4px 14px #f43f5e59}.btn-warning{background:var(--warning);color:#1a1f36}.btn-success{background:var(--success)}.btn-ghost{color:var(--text);border:1.5px solid var(--border);background:0 0}.btn-ghost:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.empty-state{color:var(--text-secondary);text-align:center;padding:40px 20px;font-size:16px}@media (width<=480px){.main-content{padding:16px 12px}.card{padding:16px}.bottom-nav{width:calc(100% - 16px)}}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}