*{box-sizing:border-box;margin:0;padding:0}:root{--primary:#1677ff;--primary-light:#e6f0ff;--success:#52c41a;--warning:#faad14;--danger:#ff4d4f;--bg:#f0f2f5;--card:#fff;--border:#d9d9d9;--text:#1a1a1a;--muted:#8c8c8c;--nav-h:56px;--tab-h:52px}html,body{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,sans-serif}.app{flex-direction:column;max-width:480px;min-height:100vh;margin:0 auto;display:flex;position:relative}.page{padding-bottom:var(--tab-h);flex-direction:column;flex:1;min-height:100vh;display:none}.page.active{display:flex}.top-nav{background:var(--primary);color:#fff;height:var(--nav-h);z-index:100;justify-content:space-between;align-items:center;padding:0 16px;display:flex;position:sticky;top:0;box-shadow:0 2px 8px #00000026}.top-nav h1{font-size:17px;font-weight:600}.nav-btn{color:#fff;cursor:pointer;background:#fff3;border:none;border-radius:6px;padding:5px 12px;font-size:14px}.nav-btn:active{background:#ffffff4d}.bottom-tab{width:100%;max-width:480px;height:var(--tab-h);border-top:1px solid var(--border);z-index:100;background:#fff;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.tab-item{cursor:pointer;color:var(--muted);background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;font-size:11px;transition:color .2s;display:flex;position:relative}.tab-item.active{color:var(--primary)}.tab-item svg{width:22px;height:22px}.tab-badge{background:var(--danger);color:#fff;text-align:center;border-radius:10px;min-width:16px;padding:1px 5px;font-size:10px;position:absolute;top:4px;right:18%}.content{flex:1;padding:12px;overflow-y:auto}.card{background:var(--card);border-radius:12px;margin-bottom:12px;padding:16px;box-shadow:0 1px 4px #0000000f}.btn{cursor:pointer;border:none;border-radius:8px;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:opacity .15s;display:inline-flex}.btn:active{opacity:.8}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-outline{border:1px solid var(--border);color:var(--text);background:0 0}.btn-sm{border-radius:6px;padding:4px 10px;font-size:12px}.btn-block{justify-content:center;width:100%}.form-group{margin-bottom:14px}.form-group label{color:var(--muted);margin-bottom:6px;font-size:13px;display:block}.form-group input,.form-group select,.form-group textarea{border:1px solid var(--border);width:100%;color:var(--text);background:#fff;border-radius:8px;outline:none;padding:10px 12px;font-size:15px;transition:border .2s}.form-group input:focus,.form-group select:focus{border-color:var(--primary)}.form-row{grid-template-columns:1fr 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#b7eb8f}.badge-warning{color:var(--warning);background:#fffbe6;border:1px solid #ffe58f}.badge-danger{color:var(--danger);background:#fff2f0;border:1px solid #ffccc7}.badge-primary{background:var(--primary-light);color:var(--primary);border:1px solid #91caff}.modal-overlay{z-index:200;background:#00000080;justify-content:center;align-items:flex-end;display:none;position:fixed;inset:0}.modal-overlay.show{display:flex}.modal{background:#fff;border-radius:16px 16px 0 0;width:100%;max-width:480px;max-height:92vh;padding:20px;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-title{font-size:17px;font-weight:600}.modal-close{background:var(--bg);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;font-size:16px;display:flex}.stats-grid{grid-template-columns:1fr 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