*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-primary: #ffffff;--bg-secondary: #f4f6fa;--bg-tertiary: #edf0f7;--text-primary: #111827;--text-secondary: #4b5563;--text-tertiary: #9ca3af;--border-primary: #9ca3af;--border-secondary: #d1d5db;--border-tertiary: #e5e7eb;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 10px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--mono: "SF Mono", "Fira Code", monospace}@media (prefers-color-scheme: dark){:root{--bg-primary: #1c1c1e;--bg-secondary: #2c2c2e;--bg-tertiary: #3a3a3c;--text-primary: #f2f2f7;--text-secondary: #aeaeb2;--text-tertiary: #636366;--border-primary: #636366;--border-secondary: #48484a;--border-tertiary: #3a3a3c}}body{font-family:var(--font);background:var(--bg-tertiary);color:var(--text-primary)}.app{display:flex;height:100vh;min-height:600px}eplace those lines with this: css .sb{width:196px;min-width:196px;background:var(--bg-primary);border-right:.5px solid var(--border-tertiary);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden;height:100vh;position:sticky;top:0}.sb-logo{padding:13px 15px;border-bottom:.5px solid var(--border-tertiary)}.sb-brand{font-size:9.5px;font-weight:500;color:var(--text-tertiary);letter-spacing:.1em}.sb-name{font-size:14.5px;font-weight:500;color:var(--text-primary)}.sb-version{font-size:8.5px;color:var(--text-tertiary);margin-top:1px}.nav-section{padding:7px 15px 3px;font-size:8.5px;font-weight:500;color:var(--text-tertiary);letter-spacing:.09em;text-transform:uppercase;margin-top:5px}.nav-item{display:flex;align-items:center;gap:9px;padding:9px 15px;font-size:12px;cursor:pointer;color:var(--text-secondary)}.nav-item:hover,.nav-item.active{background:var(--bg-secondary)}.nav-item.active{color:var(--text-primary);font-weight:500}.nav-item i{font-size:14px;width:15px}.sb-footer{padding:10px 13px;border-top:.5px solid var(--border-tertiary);margin-top:auto;flex-shrink:0;overflow:hidden}.main{flex:1;overflow-y:auto;padding:16px 20px}.card{background:var(--bg-primary);border:.5px solid var(--border-tertiary);border-radius:var(--radius-lg);padding:13px 16px}.card-title{font-size:11px;font-weight:500;color:var(--text-secondary);margin-bottom:9px}.g2{display:grid;grid-template-columns:1fr 1fr;gap:11px}.g3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.met{background:var(--bg-secondary);border-radius:var(--radius-md);padding:10px 12px}.met-label{font-size:10.5px;color:var(--text-secondary);margin-bottom:2px}.met-value{font-size:20px;font-weight:500}.met-sub{font-size:9.5px;color:var(--text-tertiary);margin-top:1px}.btn{padding:5px 12px;border-radius:var(--radius-md);font-size:11px;cursor:pointer;border:.5px solid var(--border-secondary);background:transparent;color:var(--text-primary)}.btn:hover{background:var(--bg-secondary)}.btn-primary{background:#185fa5;color:#fff;border:none;font-size:11.5px;padding:6px 14px;border-radius:var(--radius-md);cursor:pointer}.btn-primary:hover{background:#0c447c}.btn-danger{background:#fcebeb;color:#791f1f;border:.5px solid #F7C1C1;font-size:10px;padding:3px 8px;border-radius:var(--radius-md);cursor:pointer}.btn-sm{padding:3px 8px;border-radius:var(--radius-md);font-size:10px;cursor:pointer;border:.5px solid var(--border-secondary);background:transparent;color:var(--text-secondary)}.btn-sm:hover{background:var(--bg-secondary)}.tag-am{display:inline-block;padding:1px 6px;border-radius:20px;font-size:9px;font-weight:500;background:#e1f5ee;color:#085041}.tag-pm{display:inline-block;padding:1px 6px;border-radius:20px;font-size:9px;font-weight:500;background:#faece7;color:#712b13}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 7px;border-radius:20px;font-size:10px;font-weight:500}.badge-red{background:#fcebeb;color:#791f1f}.badge-amber{background:#faeeda;color:#633806}.badge-green{background:#e1f5ee;color:#085041}.dot{width:7px;height:7px;border-radius:50%;display:inline-block;flex-shrink:0}.dot-red{background:#a32d2d}.dot-amber{background:#ba7517}.dot-green{background:#1d9e75}.phase-badge{font-size:9px;padding:2px 6px;border-radius:20px;background:#e6f1fb;color:#0c447c;font-weight:500}.tabs{display:flex;gap:2px;border-bottom:.5px solid var(--border-tertiary);margin-bottom:14px;overflow-x:auto;scrollbar-width:none}.tab{padding:6px 11px;font-size:10.5px;cursor:pointer;border-bottom:2px solid transparent;color:var(--text-secondary);background:transparent;border-top:none;border-left:none;border-right:none;margin-bottom:-.5px;white-space:nowrap;flex-shrink:0}.tab:hover{color:var(--text-primary)}.tab.active{color:#185fa5;border-bottom-color:#185fa5;font-weight:500}.form-group{margin-bottom:10px}.form-group label{display:block;font-size:10.5px;color:var(--text-secondary);margin-bottom:3px;font-weight:500}.form-input{width:100%;font-size:12px;padding:6px 9px;border-radius:var(--radius-md);border:.5px solid var(--border-secondary);background:var(--bg-primary);color:var(--text-primary)}.form-input:focus{outline:none;border-color:#185fa5}.form-panel{background:var(--bg-secondary);border:.5px solid var(--border-secondary);border-radius:var(--radius-lg);padding:14px 16px;margin-top:9px}.win-row{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:.5px solid var(--border-tertiary)}.win-row:last-child{border-bottom:none}.win-label{width:65px;font-size:10.5px;color:var(--text-secondary)}.win-track{flex:1;height:6px;background:var(--bg-secondary);border-radius:3px;overflow:hidden}.win-fill{height:6px;border-radius:3px}.win-cho{min-width:46px;font-size:12px;font-weight:500;text-align:right}.win-pro{min-width:36px;font-size:10px;color:var(--text-secondary);text-align:right}.food-panel{background:var(--bg-secondary);border-radius:var(--radius-md);padding:7px 10px;margin-top:3px}.food-item{font-size:10px;color:var(--text-secondary);padding:2px 0;display:flex;gap:5px;line-height:1.5}.narrative{padding:9px 12px;border-radius:var(--radius-md);font-size:11.5px;line-height:1.7;margin-bottom:11px;border-left:3px solid}.ath-row{display:flex;align-items:center;gap:10px;padding:10px 13px;border-bottom:.5px solid var(--border-tertiary);cursor:pointer}.ath-row:hover{background:var(--bg-secondary)}.ath-row:last-child{border-bottom:none}.avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:500;flex-shrink:0}.flags-banner{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-primary);border:.5px solid var(--border-tertiary);border-radius:var(--radius-md);margin-bottom:11px;flex-wrap:wrap}.ath-nav{display:flex;align-items:center;gap:5px;margin-bottom:11px;flex-wrap:wrap}.ath-pill{padding:4px 10px;border-radius:20px;font-size:11px;cursor:pointer;border:.5px solid var(--border-tertiary);background:transparent;color:var(--text-secondary)}.date-nav{display:flex;align-items:center;gap:6px;margin-bottom:13px}.date-nav-btn{width:25px;height:25px;border-radius:50%;border:.5px solid var(--border-secondary);background:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center}.date-chip{padding:3px 9px;border-radius:20px;font-size:10.5px;cursor:pointer;border:.5px solid transparent;color:var(--text-secondary)}.date-chip.active{background:var(--bg-secondary);color:var(--text-primary);font-weight:500;border-color:var(--border-primary)}.week-strip{display:flex;gap:5px;margin-bottom:12px}.week-day{flex:1;padding:8px 4px;text-align:center;cursor:pointer;border-radius:var(--radius-md);border:.5px solid transparent}.week-day:hover,.week-day.active{background:var(--bg-secondary)}.week-day.active{border-color:var(--border-primary)}.week-day-name{font-size:9px;color:var(--text-tertiary);margin-bottom:2px}.week-day-num{font-size:13px;font-weight:500}.week-day-dots{display:flex;justify-content:center;gap:2px;margin-top:3px;min-height:6px}.sess-card{border:.5px solid var(--border-tertiary);border-radius:var(--radius-md);padding:10px 12px;margin-bottom:7px;background:var(--bg-primary)}.data-table{width:100%;border-collapse:collapse;font-size:11px}.data-table th{padding:6px 8px;text-align:left;border-bottom:.5px solid var(--border-secondary);color:var(--text-secondary);font-weight:500;font-size:10px}.data-table td{padding:6px 8px;border-bottom:.5px solid var(--border-tertiary)}.batch-chk{display:flex;align-items:center;gap:5px;padding:4px 9px;border:.5px solid var(--border-tertiary);border-radius:20px;cursor:pointer;font-size:11px;-webkit-user-select:none;user-select:none}.batch-chk.checked{background:#e6f1fb;border-color:#b5d4f4;color:#0c447c;font-weight:500}.upload-zone{border:1px dashed var(--border-secondary);border-radius:var(--radius-lg);padding:28px 20px;text-align:center;cursor:pointer;transition:background .15s}.upload-zone:hover{background:var(--bg-secondary)}.upload-zone.done{border-color:#1d9e75;background:#e1f5ee}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--bg-primary);border-radius:var(--radius-lg);padding:20px 24px;width:400px;max-height:88vh;overflow-y:auto;border:.5px solid var(--border-tertiary)}.toast{position:fixed;bottom:18px;left:50%;transform:translate(-50%);background:#1a3a5c;color:#fff;padding:7px 16px;border-radius:18px;font-size:11.5px;font-weight:500;z-index:999;pointer-events:none}.is-day{background:var(--bg-secondary);border-radius:var(--radius-md);padding:11px 13px;margin-bottom:10px}.page-title{font-size:16px;font-weight:500;margin-bottom:3px}.page-sub{font-size:11.5px;color:var(--text-secondary);margin-bottom:15px}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--text-tertiary);font-size:13px;gap:8px}.spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error-box{padding:12px 14px;background:#fcebeb;border-radius:var(--radius-md);color:#791f1f;font-size:12px;border-left:3px solid #A32D2D;margin-bottom:12px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary)}.login-card{background:var(--bg-primary);border:.5px solid var(--border-tertiary);border-radius:var(--radius-lg);padding:28px 32px;width:360px}