:root{--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--radius:16px;--radius-sm:10px;--gap:12px}.app{flex-direction:column;min-height:100vh;display:flex}.app.dark{--bg:#0f1115;--surface:#1a1d24;--surface-2:#232833;--text:#f2f4f8;--text-dim:#9aa3b2;--border:#2c333f;--accent:#ff6b35;--accent-soft:#ff6b3524;--good:#34c759;color:var(--text);background:var(--bg)}.app.light{--bg:#f4f6fa;--surface:#fff;--surface-2:#eef1f7;--text:#15181f;--text-dim:#68707e;--border:#e3e8f0;--accent:#e8590c;--accent-soft:#e8590c1a;--good:#248a3d;color:var(--text);background:var(--bg)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{font-family:var(--font);margin:0;font-size:16px;line-height:1.5}.header{justify-content:space-between;align-items:center;padding:16px 20px 8px;display:flex}.home-link{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);width:fit-content;color:var(--accent);align-self:flex-start;margin:12px 20px 0;padding:8px 14px;font-size:13px;font-weight:600;text-decoration:none;display:inline-block}.home-link:hover{filter:brightness(1.08)}.brand{align-items:baseline;gap:10px;display:flex}.brand-mark{color:var(--accent);font-size:26px;line-height:1}.brand h1{letter-spacing:-.02em;margin:0;font-size:22px;font-weight:700}.brand-tag{color:var(--text-dim);font-size:12px}.icon-btn{background:var(--surface-2);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;width:42px;height:42px;font-size:18px}.icon-btn:hover{filter:brightness(1.08)}.main{flex:1;width:100%;max-width:560px;margin:0 auto;padding:8px 20px 88px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);gap:var(--gap);flex-direction:column;margin-bottom:16px;padding:20px;display:flex;box-shadow:0 8px 30px #00000014}.card-head{justify-content:space-between;align-items:center;display:flex}.section-title{color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em;margin:0;font-size:15px;font-weight:700}.hint{color:var(--text-dim);margin:0;font-size:13px}.text-input,.select-input{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface-2);width:100%;color:var(--text);outline:none;padding:10px 12px;font-size:15px}.text-input:focus,.select-input:focus{border-color:var(--accent)}.select-input{cursor:pointer}.primary-btn,.secondary-btn{border-radius:var(--radius-sm);cursor:pointer;border:none;width:100%;padding:12px 16px;font-size:15px;font-weight:700}.primary-btn{background:var(--accent);color:#fff}.primary-btn:disabled{opacity:.4;cursor:default}.secondary-btn{background:var(--accent-soft);color:var(--accent)}.secondary-btn.small{width:auto;padding:8px 14px;font-size:13px}.finish-btn{margin-top:4px}.mini-btn{border:1px solid var(--border);background:var(--surface);width:30px;height:30px;color:var(--text-dim);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;font-size:14px;display:inline-flex}.mini-btn:hover{color:var(--text)}.mini-btn.danger{color:#ff453a}.mini-btn.danger:hover{background:#ff453a1a}.preset-grid{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.preset-card{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer;flex-direction:column;align-items:center;gap:6px;padding:16px 8px;display:flex}.preset-card:hover{filter:brightness(1.08)}.preset-emoji{font-size:26px}.preset-name{font-size:13px;font-weight:600}.tabbar{background:var(--surface);border-top:1px solid var(--border);padding:6px 4px calc(6px + env(safe-area-inset-bottom));display:flex;position:fixed;bottom:0;left:0;right:0}.tab{color:var(--text-dim);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;align-items:center;gap:2px;padding:6px 0;font-size:11px;font-weight:600;display:flex}.tab-icon{filter:grayscale();opacity:.7;font-size:20px;line-height:1}.tab-active{color:var(--accent)}.tab-active .tab-icon{filter:none;opacity:1}.session-head{justify-content:space-between;align-items:center;display:flex}.session-title{margin:0;font-size:18px;font-weight:700}.rest-timer{border-radius:var(--radius-sm);background:var(--accent-soft);border:1px solid var(--border);align-items:center;gap:14px;padding:12px 14px;display:flex}.rest-label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);font-size:12px;font-weight:700}.rest-time{font-variant-numeric:tabular-nums;min-width:96px;font-size:26px;font-weight:700}.rest-running{color:var(--accent)}.rest-controls{align-items:center;gap:8px;margin-left:auto;display:flex}.rest-controls .select-input{width:auto;padding:6px 8px;font-size:13px}.exercise-list{flex-direction:column;gap:12px;display:flex}.exercise-logger{border-radius:var(--radius-sm);background:var(--surface-2);flex-direction:column;gap:10px;padding:14px;display:flex}.exercise-logger-head{align-items:center;gap:8px;display:flex}.exercise-name{font-size:15px;font-weight:700}.exercise-group{color:var(--text-dim);text-transform:uppercase;letter-spacing:.06em;margin-left:auto;font-size:11px}.exercise-logger-foot{align-items:center;gap:10px;display:flex}.set-row{grid-template-columns:22px 1fr auto 1fr auto 30px;align-items:center;gap:8px;display:grid}.set-index{color:var(--text-dim);font-size:13px;font-weight:600}.set-input{border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text);text-align:center;font-variant-numeric:tabular-nums;border-radius:8px;outline:none;padding:7px 8px;font-size:15px;font-weight:600}.set-input:focus{border-color:var(--accent)}.set-unit{color:var(--text-dim);font-size:12px}.picker{flex-direction:column;gap:10px;display:flex}.picker-head{align-items:center;gap:8px;display:flex}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--border);background:var(--surface-2);color:var(--text-dim);cursor:pointer;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:600}.chip-active{background:var(--accent);border-color:var(--accent);color:#fff}.exercise-pick-list{flex-direction:column;gap:6px;max-height:280px;display:flex;overflow-y:auto}.exercise-pick-item{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;text-align:left;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;display:flex}.exercise-pick-item:disabled{opacity:.4;cursor:default}.pick-name{font-size:14px;font-weight:600}.pick-meta{color:var(--text-dim);font-size:12px}.routine-list{flex-direction:column;gap:12px;display:flex}.routine-card{border-radius:var(--radius-sm);background:var(--surface-2);flex-direction:column;gap:10px;padding:14px;display:flex}.routine-head{align-items:center;gap:10px;display:flex}.routine-name{font-size:15px;font-weight:700}.routine-exercises{flex-wrap:wrap;gap:6px;display:flex}.tag{background:var(--surface);border:1px solid var(--border);color:var(--text-dim);border-radius:999px;padding:4px 10px;font-size:12px;display:inline-block}.library-list{flex-direction:column;gap:6px;display:flex}.library-row{border-radius:var(--radius-sm);background:var(--surface-2);justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;display:flex}.library-name{font-size:14px;font-weight:600}.library-meta{color:var(--text-dim);font-size:12px}.history-item{border-bottom:1px solid var(--border);padding:4px 0}.history-item:last-child{border-bottom:none}.history-head{width:100%;color:var(--text);text-align:left;cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;gap:10px;padding:10px 0;font-size:14px;display:flex}.history-detail{flex-direction:column;gap:8px;padding:4px 0 12px;display:flex}.history-exercise{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.history-sets{flex-wrap:wrap;justify-content:flex-end;gap:4px;display:flex}.pr-box{border-radius:var(--radius-sm);background:var(--accent-soft);border:1px solid var(--border);flex-direction:column;gap:2px;padding:12px 14px;display:flex}.pr-label{text-transform:uppercase;letter-spacing:.08em;color:var(--text-dim);font-size:11px;font-weight:700}.pr-value{font-size:26px;font-weight:700}.pr-detail{color:var(--text-dim);font-size:12px}.chart-wrap{width:100%}.chart{width:100%;height:auto}.chart-label{fill:var(--text-dim);font-size:9px;font-family:var(--font)}.chart-label-last{fill:var(--accent);font-weight:700}.footer{text-align:center;color:var(--text-dim);padding:16px;font-size:12px}.form-link{color:#ff5252;white-space:nowrap;background:#ff52521f;border-radius:8px;padding:6px 10px;font-size:12px;font-weight:700;text-decoration:none;display:inline-block}.form-link:hover{filter:brightness(1.15)}.cam-btn{border:1px solid var(--border);background:var(--surface);width:34px;height:34px;color:var(--text-dim);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;font-size:16px;display:inline-flex}.cam-btn:hover{color:var(--accent)}.todo-add{gap:8px;display:flex}.todo-add-btn{flex-shrink:0;width:auto;padding:0 18px;font-size:20px}.todo-list{flex-direction:column;gap:8px;display:flex}.todo-row{border-radius:var(--radius-sm);background:var(--surface-2);align-items:center;gap:10px;padding:10px 12px;display:flex}.todo-check{border:2px solid var(--border);background:var(--surface);color:#fff;cursor:pointer;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;font-size:14px;display:inline-flex}.todo-check-on{background:var(--good);border-color:var(--good)}.todo-text{flex:1;font-size:14px}.todo-done .todo-text{color:var(--text-dim);text-decoration:line-through}.camera-overlay{z-index:50;background:var(--bg);flex-direction:column;align-items:center;padding:16px;display:flex;position:fixed;inset:0;overflow-y:auto}.camera-close{border:1px solid var(--border);background:var(--surface);width:40px;height:40px;color:var(--text);cursor:pointer;border-radius:50%;align-self:flex-end;font-size:22px}.camera-panel{flex-direction:column;gap:12px;width:100%;max-width:520px;padding:20px 0;display:flex}.camera-exercise-list{grid-template-columns:repeat(2,1fr);gap:8px;display:grid}.camera-exercise{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer;padding:12px 10px;font-size:13px;font-weight:600}.camera-exercise-active{background:var(--accent);border-color:var(--accent);color:#fff}.camera-feed-wrap{flex-direction:column;align-items:center;gap:12px;width:100%;max-width:520px;display:flex;position:relative}.camera-feed,.camera-canvas{border-radius:var(--radius);aspect-ratio:16/10;width:100%;overflow:hidden}.camera-feed{object-fit:cover}.camera-canvas{background:#000;display:block}.camera-spinner,.camera-error{text-align:center;background:var(--surface-2);border-radius:var(--radius);justify-content:center;align-items:center;padding:24px;font-size:15px;display:flex;position:absolute;inset:0}.camera-error{color:#ff5252}.camera-hud{justify-content:center;gap:24px;display:flex}.camera-stat{flex-direction:column;align-items:center;gap:2px;display:flex}.camera-reps{color:var(--accent);font-variant-numeric:tabular-nums;font-size:56px;font-weight:800;line-height:1}.camera-time{font-variant-numeric:tabular-nums;font-size:28px;font-weight:700}.camera-hint{color:var(--text-dim);text-align:center;margin:0;font-size:13px}.camera-actions{justify-content:center;align-items:center;gap:10px;width:100%;display:flex}.camera-actions .secondary-btn{width:auto}