*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0a0a0a;--surface:#141414;--border:#222;--text:#f0f0f0;--muted:#666;--accent:#e8ff47;--accent-dim:rgba(232,255,71,.12);--danger:#f44;--radius:12px;--font:"SF Pro Display",-apple-system,BlinkMacSystemFont,sans-serif}body,html{height:100%;background:var(--bg);color:var(--text);font-family:var(--font)}.page{max-width:420px;margin:0 auto;padding:0 20px 80px;min-height:100vh}.nav{display:flex;align-items:center;justify-content:space-between;padding:20px 0 12px}.nav-title{font-size:15px;font-weight:600;letter-spacing:.08em;color:var(--muted)}.nav-links{display:flex;gap:16px}.nav-back,.nav-links a{font-size:14px;color:var(--muted);text-decoration:none}.nav-back:hover,.nav-links a:hover{color:var(--text)}.hero{display:flex;flex-direction:column;align-items:center;padding:40px 0 32px;gap:28px}.log-btn-wrap{transition:transform .1s}.log-btn-wrap.pulse .log-btn{background:var(--accent-dim);border-color:var(--accent)}.log-btn{width:180px;height:180px;border-radius:50%;border:1.5px solid var(--border);background:var(--surface);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:background .15s,border-color .15s,transform .1s;-webkit-tap-highlight-color:transparent}.log-btn:active{transform:scale(.95);background:var(--accent-dim);border-color:var(--accent)}.log-btn:disabled{opacity:.5}.log-btn-reps{font-size:52px;font-weight:700;line-height:1;color:var(--text)}.log-btn-label{font-size:13px;color:var(--muted);letter-spacing:.06em}.rep-stepper{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:40px;padding:6px 12px}.rep-stepper button{background:none;border:none;color:var(--muted);font-size:15px;cursor:pointer;padding:4px 8px;border-radius:20px;transition:color .1s,background .1s}.rep-stepper button:active{color:var(--text);background:var(--border)}.rep-count{font-size:15px;font-weight:600;min-width:28px;text-align:center}.history-summary,.stats{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:10px;gap:10px;margin-bottom:20px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 10px;display:flex;flex-direction:column;gap:4px;text-align:center}.stat-label{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}.stat-value{font-size:26px;font-weight:700}.time-since{font-size:13px;color:var(--muted);letter-spacing:.04em}.progress-wrap{margin-bottom:28px}.progress-bar{height:3px;background:var(--border);border-radius:2px;overflow:hidden;margin-bottom:6px}.progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .4s ease}.progress-label{font-size:12px;color:var(--muted)}.sets-list h2{font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px}.empty{font-size:14px;color:var(--muted)}.set-row{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.set-reps{font-size:18px;font-weight:600;min-width:36px}.set-time{font-size:13px;color:var(--muted);flex:1 1}.set-delete{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer;padding:4px 8px;border-radius:6px;transition:color .1s}.set-delete:hover{color:var(--danger)}.history-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--border)}.history-date{display:flex;flex-direction:column;gap:2px}.history-dow{font-size:13px;font-weight:600}.history-ymd{font-size:12px;color:var(--muted)}.history-meta{text-align:right}.history-total{display:block;font-size:20px;font-weight:700}.history-detail{font-size:12px;color:var(--muted)}.settings-form{gap:20px;padding:24px 0}.field,.settings-form{display:flex;flex-direction:column}.field{gap:8px}.field label{font-size:13px;color:var(--muted)}.field input{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:18px;font-weight:600;padding:14px 16px;width:100%;outline:none;transition:border-color .15s}.field input:focus{border-color:var(--accent)}.save-btn{background:var(--accent);color:#0a0a0a;border:none;border-radius:var(--radius);font-size:15px;font-weight:700;padding:16px;cursor:pointer;transition:opacity .15s}.save-btn:hover{opacity:.85}.settings-section{padding:24px 0;border-top:1px solid var(--border)}.logout-btn{background:none;border:1px solid var(--border);border-radius:var(--radius);color:var(--muted);font-size:14px;padding:12px 20px;cursor:pointer;transition:border-color .15s,color .15s}.logout-btn:hover{border-color:var(--danger);color:var(--danger)}.settings-section h3{font-size:14px;font-weight:600;margin-bottom:8px}.muted{font-size:13px;color:var(--muted);line-height:1.6}.heatmap{margin-top:8px}.heatmap-header{display:grid;grid-template-columns:28px repeat(7,1fr);grid-gap:3px;gap:3px;margin-bottom:3px}.heatmap-day-label{font-size:11px;color:var(--muted);text-align:center;letter-spacing:.04em}.heatmap-row{display:grid;grid-template-columns:28px repeat(7,1fr);grid-gap:3px;gap:3px;margin-bottom:3px}.heatmap-month-label{font-size:10px;color:var(--muted);display:flex;align-items:center;white-space:nowrap;letter-spacing:.04em}.heatmap-cell{position:relative;aspect-ratio:1;border-radius:4px;background:var(--surface);border:1px solid var(--border);cursor:pointer;padding:0;transition:opacity .1s;-webkit-tap-highlight-color:transparent}.heatmap-check{position:absolute;top:2px;right:3px;font-size:8px;font-weight:800;color:rgba(0,0,0,.6);line-height:1;pointer-events:none}.heatmap-cell.today{box-shadow:inset 0 0 0 1.5px var(--text)}.heatmap-cell.selected{box-shadow:inset 0 0 0 1.5px var(--accent)}.heatmap-cell.future{opacity:.15;cursor:default}.heatmap-cell:not(.future):active{opacity:.7}.heatmap-detail{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-top:10px;margin-bottom:16px;font-size:13px}.heatmap-detail-date{color:var(--muted)}.heatmap-detail-total{font-weight:600}.heatmap-detail-hint{color:var(--muted);width:100%;text-align:center}.exercise-list{display:flex;flex-direction:column;gap:10px;padding-top:8px}.exercise-card{display:block;background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--ex-color,var(--accent));border-radius:var(--radius);padding:16px;text-decoration:none;color:var(--text);transition:background .15s;-webkit-tap-highlight-color:transparent}.exercise-card:active{background:hsla(0,0%,100%,.05)}.exercise-card-main{display:flex;align-items:center;gap:12px;margin-bottom:10px}.exercise-emoji{font-size:22px;line-height:1}.exercise-name{flex:1 1;font-size:16px;font-weight:600}.exercise-total{font-size:26px;font-weight:700}.exercise-progress-bar{height:2px;background:var(--border);border-radius:1px;overflow:hidden;margin-bottom:6px}.exercise-progress-fill{height:100%;border-radius:1px;transition:width .4s ease}.exercise-goal-label{font-size:11px;color:var(--muted);letter-spacing:.04em}.exercise-manage-list{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}.exercise-manage-row{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--border);text-decoration:none;color:var(--text)}.exercise-manage-dot{width:8px;height:8px;border-radius:50%;background:var(--ex-color,var(--accent));flex-shrink:0}.exercise-manage-emoji{font-size:18px}.exercise-manage-name{flex:1 1;font-size:15px;font-weight:500}.exercise-manage-arrow{color:var(--muted);font-size:18px}.add-exercise-btn{background:none;border:1px dashed var(--border);border-radius:var(--radius);color:var(--muted);font-size:14px;padding:12px;width:100%;cursor:pointer;transition:border-color .15s,color .15s;margin-top:4px}.add-exercise-btn:hover{border-color:var(--accent);color:var(--accent)}.add-exercise-form{display:flex;flex-direction:column;gap:20px;padding-top:8px}.add-exercise-actions{display:flex;gap:10px}.add-exercise-actions .save-btn{flex:1 1}.color-swatches{display:flex;gap:8px;flex-wrap:wrap}.color-swatch{width:32px;height:32px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:border-color .1s,transform .1s;padding:0}.color-swatch.selected{border-color:var(--text);transform:scale(1.15)}.color-swatch:not(.selected):hover{transform:scale(1.1)}.emoji-grid{display:flex;gap:8px;flex-wrap:wrap}.emoji-btn{background:var(--surface);border:1px solid var(--border);border-radius:8px;font-size:20px;width:40px;height:40px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .1s,background .1s;padding:0}.emoji-btn.selected{border-color:var(--accent);background:var(--accent-dim)}.emoji-btn:not(.selected):hover{border-color:var(--muted)}.delete-btn{background:none;border:1px solid var(--border);border-radius:var(--radius);color:var(--danger);font-size:14px;padding:12px 20px;cursor:pointer;transition:border-color .15s}.delete-btn:hover{border-color:var(--danger)}.delete-confirm{display:flex;flex-direction:column;gap:12px}.delete-confirm-actions{display:flex;gap:10px}.nav-link{font-size:14px;color:var(--muted);text-decoration:none}.nav-link:hover{color:var(--text)}.login-page{justify-content:center;min-height:100vh;padding:20px}.login-card,.login-page{display:flex;align-items:center}.login-card{flex-direction:column;gap:12px;width:100%;max-width:360px}.login-title{font-size:48px;font-weight:700;letter-spacing:.04em;color:var(--accent)}.login-sub{font-size:14px;color:var(--muted);margin-bottom:24px}.google-btn{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:15px;font-weight:600;padding:16px;cursor:pointer;transition:border-color .15s,background .15s}.google-btn:hover{border-color:var(--accent);background:var(--accent-dim)}