:root{--bg: #0f1419;--bg-elevated: #1a222d;--bg-hover: #243040;--border: #2d3a4d;--text: #e8edf4;--text-muted: #8b9cb3;--accent: #3dd68c;--accent-dim: #2a9d63;--accent-glow: rgba(61, 214, 140, .15);--danger: #f87171;--radius: 12px;--radius-sm: 8px;--nav-height: 64px;--safe-bottom: env(safe-area-inset-bottom, 0px);font-family:SF Pro Text,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);line-height:1.5;overflow-x:hidden}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}input,select,textarea{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}a{color:var(--accent);text-decoration:none}.app{min-height:100%;display:flex;flex-direction:column;padding-bottom:calc(var(--nav-height) + var(--safe-bottom))}.page{flex:1;padding:16px;max-width:480px;margin:0 auto;width:100%}.page-header{margin-bottom:20px}.page-header h1{font-size:1.75rem;font-weight:700;margin:0 0 4px;letter-spacing:-.02em}.page-header p{margin:0;color:var(--text-muted);font-size:.9rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--radius);font-weight:600;font-size:.95rem;transition:transform .1s,opacity .15s}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#0a1a12}.btn-primary:hover{background:#4ee09a}.btn-secondary{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text)}.btn-secondary:hover{background:var(--bg-hover)}.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.btn-ghost{color:var(--text-muted);padding:8px 12px}.btn-ghost:hover{color:var(--text)}.btn-block{width:100%}.btn-sm{padding:8px 14px;font-size:.85rem}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.card+.card{margin-top:12px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px}.stat-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:14px 12px;text-align:center}.stat-card .value{font-size:1.5rem;font-weight:700;color:var(--accent)}.stat-card .label{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-top:2px}.badge{display:inline-block;font-size:.7rem;font-weight:600;padding:3px 8px;border-radius:999px;background:var(--accent-glow);color:var(--accent);text-transform:capitalize}.badge-muted{background:var(--bg-hover);color:var(--text-muted)}.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}.empty-state p{margin:8px 0 20px}.list-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px solid var(--border)}.list-item:last-child{border-bottom:none}.list-item-main{flex:1;min-width:0}.list-item-title{font-weight:600;margin:0}.list-item-sub{font-size:.85rem;color:var(--text-muted);margin:2px 0 0}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--text-muted)}.set-row{display:grid;grid-template-columns:32px 1fr 1fr 40px;gap:8px;align-items:center;margin-bottom:8px}.set-row .set-num{font-size:.8rem;color:var(--text-muted);text-align:center}.set-row input{padding:8px;text-align:center;font-variant-numeric:tabular-nums}.set-check{width:36px;height:36px;border-radius:var(--radius-sm);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;transition:all .15s}.set-check.done{background:var(--accent);border-color:var(--accent);color:#0a1a12}.set-headers{display:grid;grid-template-columns:32px 1fr 1fr 40px;gap:8px;font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px;padding:0 0 4px}.set-headers span:not(:first-child){text-align:center}.exercise-block{margin-bottom:24px}.exercise-block-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.exercise-block-header h3{margin:0;font-size:1.05rem}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--nav-height) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--bg-elevated);border-top:1px solid var(--border);display:flex;justify-content:space-around;align-items:center;z-index:100}.nav-link{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 16px;color:var(--text-muted);font-size:.7rem;font-weight:500;text-decoration:none;transition:color .15s}.nav-link svg{width:22px;height:22px}.nav-link.active{color:var(--accent)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:flex-end;justify-content:center;z-index:200;padding:16px}.modal{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius) var(--radius) 0 0;width:100%;max-width:480px;max-height:80vh;overflow-y:auto;padding:20px}.modal h2{margin:0 0 16px;font-size:1.2rem}.exercise-picker{max-height:50vh;overflow-y:auto}.picker-item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:12px 0;border-bottom:1px solid var(--border);text-align:left;color:var(--text)}.picker-item:hover{color:var(--accent)}.timer-bar{background:var(--accent-glow);border:1px solid var(--accent-dim);border-radius:var(--radius);padding:12px 16px;margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}.timer-bar .time{font-size:1.25rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--accent)}.filter-chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:12px;margin-bottom:8px;-webkit-overflow-scrolling:touch}.chip{flex-shrink:0;padding:6px 14px;border-radius:999px;font-size:.8rem;font-weight:500;border:1px solid var(--border);color:var(--text-muted);background:transparent;transition:all .15s}.chip.active{background:var(--accent-glow);border-color:var(--accent);color:var(--accent)}.loading{display:flex;align-items:center;justify-content:center;min-height:60vh;color:var(--text-muted)}.help-text{font-size:.85rem;color:var(--text-muted)}.last-session-hint{font-size:.85rem;color:var(--text-muted);margin:0 0 12px;padding:10px 12px;background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border)}.last-session-hint strong{color:var(--text)}.last-session-hint--new{font-style:italic}.progress-delta{margin:0;font-size:.9rem;color:var(--text-muted)}.progress-delta--up{color:var(--accent);font-weight:600}.progress-card--up{border-color:var(--accent-dim)}.actions-row{display:flex;gap:10px;margin-top:16px}.actions-row .btn{flex:1}