:root{--primary:#e74c3c;--primary-light:#fde8e5;--primary-dark:#c0392b;--success:#27ae60;--success-light:#e8f8f0;--warning:#f39c12;--warning-light:#fef9e7;--info:#3498db;--info-light:#ebf5fb;--text:#2c3e50;--text-secondary:#7f8c8d;--text-muted:#bdc3c7;--bg:#f5f6fa;--card:#fff;--border:#ecf0f1;--shadow:0 2px 8px #00000014;--shadow-lg:0 4px 16px #0000001f;--radius:12px;--radius-sm:8px;--radius-xs:6px;--safe-bottom:env(safe-area-inset-bottom,16px);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}body,#root{min-height:100dvh}.btn{border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:6px;padding:10px 20px;font-size:15px;font-weight:500;transition:all .2s;display:inline-flex}.btn:active{transform:scale(.97)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-success{background:var(--success);color:#fff}.btn-success:hover{background:#219a52}.btn-outline{color:var(--text);border:1px solid var(--border);background:#fff}.btn-outline:hover{border-color:var(--text-secondary)}.btn-danger{background:var(--primary);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{border-radius:var(--radius);padding:14px 28px;font-size:17px}.btn-block{width:100%}.btn:disabled{opacity:.5;pointer-events:none}.input{border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text);background:var(--card);outline:none;padding:10px 14px;font-size:15px;transition:border .2s}.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.input::placeholder{color:var(--text-muted)}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.page{background:var(--bg);max-width:480px;min-height:100dvh;margin:0 auto}.page-wide{background:var(--bg);max-width:1200px;min-height:100vh;margin:0 auto}.container{padding:16px}.navbar{background:var(--card);border-bottom:1px solid var(--border);z-index:100;justify-content:space-between;align-items:center;padding:12px 16px;display:flex;position:sticky;top:0}.navbar-title{font-size:17px;font-weight:600}.navbar-back{color:var(--primary);cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;font-size:15px;display:flex}.safe-bottom{padding-bottom:calc(var(--safe-bottom) + 16px)}.spinner{justify-content:center;align-items:center;padding:40px 0;display:flex}.spinner:after{content:"";border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{color:var(--text-secondary);text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;display:flex}.empty-state .empty-icon{margin-bottom:16px;font-size:56px}.empty-state .empty-text{font-size:16px}.empty-state .empty-sub{color:var(--text-muted);margin-top:8px;font-size:13px}.toast-custom{border-radius:var(--radius-sm)!important;font-size:15px!important}.modal-overlay{z-index:1000;background:#00000080;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{background:var(--card);border-radius:var(--radius);width:100%;max-width:360px;box-shadow:var(--shadow-lg);padding:24px}.modal-title{margin-bottom:12px;font-size:18px;font-weight:600}.modal-actions{gap:12px;margin-top:20px;display:flex}.modal-actions .btn{flex:1}@media (width>=768px){.page{max-width:768px}}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}