:root{--bg-primary: #0f1117;--bg-card: #1a1d27;--bg-input: #252833;--text-primary: #f0f0f5;--text-secondary: #9396a5;--text-muted: #5d6070;--accent: #4f7cff;--accent-hover: #3d66e0;--accent-glow: rgba(79, 124, 255, .25);--success: #34d399;--success-hover: #2ab885;--danger: #f87171;--btn-secondary: #2a2d3a;--btn-secondary-hover: #353849;--border: #2e3144;--radius: 12px;--radius-sm: 8px;--transition: .2s ease}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg-primary);color:var(--text-primary);overflow-x:hidden}.container{max-width:500px;margin:0 auto;padding:16px;min-height:100vh;display:flex;flex-direction:column}.screen{display:none;flex-direction:column;flex:1;animation:fadeIn .3s ease}.screen.active{display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}#loading-screen{justify-content:center;align-items:center;gap:20px}.spinner{width:48px;height:48px;border:4px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#loading-screen p{font-size:18px;color:var(--text-secondary)}.error-message{color:var(--danger);text-align:center;font-size:15px;margin-top:12px}.workout-header{text-align:center;padding:8px 0 16px}.day-name{font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);margin-bottom:4px}.exercise-name{font-size:26px;font-weight:700;line-height:1.2;margin-bottom:6px}.set-indicator{font-size:16px;color:var(--text-secondary);font-weight:500}.progress-section{margin:12px 0 20px}.progress-label{display:flex;justify-content:space-between;font-size:13px;color:var(--text-muted);margin-bottom:6px}.progress-track{height:6px;background:var(--bg-input);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .4s ease}.input-section{flex:1;display:flex;flex-direction:column;justify-content:center;gap:24px;padding:8px 0}.input-group{text-align:center}.input-label{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-secondary);margin-bottom:10px}.input-row{display:flex;align-items:center;justify-content:center;gap:12px}.adj-btn{width:60px;height:60px;border-radius:var(--radius);border:2px solid var(--border);background:var(--bg-card);color:var(--text-primary);font-size:26px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background var(--transition),border-color var(--transition);-webkit-user-select:none;user-select:none;flex-shrink:0}.adj-btn:active{background:var(--btn-secondary-hover);border-color:var(--accent)}.num-input{width:120px;height:72px;background:var(--bg-input);border:2px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:48px;font-weight:700;text-align:center;outline:none;transition:border-color var(--transition);-moz-appearance:textfield}.num-input::-webkit-inner-spin-button,.num-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.num-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.prescribed-hint{font-size:12px;color:var(--text-muted);margin-top:6px}.rest-timer{display:flex;align-items:center;gap:10px;padding:8px 14px;background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);margin-bottom:16px;-webkit-user-select:none;user-select:none}.rest-timer.counting{border-color:var(--accent)}.rest-timer.done{border-color:var(--success)}.rest-timer-text{font-size:14px;font-weight:600;color:var(--text-secondary);white-space:nowrap;font-variant-numeric:tabular-nums}.rest-timer.counting .rest-timer-text{color:var(--accent)}.rest-timer.done .rest-timer-text{color:var(--success)}.rest-timer-bar-wrap{flex:1;height:4px;background:var(--bg-input);border-radius:2px;overflow:hidden}.rest-timer-fill{height:100%;background:var(--accent);border-radius:2px;transition:width 1s linear;width:0%}.rest-timer.done .rest-timer-fill{background:var(--success)}.rest-timer-btn{width:32px;height:32px;border-radius:50%;border:1px solid var(--border);background:var(--bg-input);color:var(--text-secondary);font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background var(--transition),border-color var(--transition),color var(--transition);padding:0}.rest-timer-btn:active{background:var(--btn-secondary-hover);border-color:var(--text-muted)}.rest-timer.counting .rest-timer-btn{border-color:var(--accent);color:var(--accent)}.rest-timer.done .rest-timer-btn{border-color:var(--success);color:var(--success)}.ss-badge{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:8px 0 4px;background:#4f7cff14;border:1px solid var(--border);border-radius:var(--radius-sm);padding:7px 10px}.ss-tag{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}.ss-pair{font-size:12px;color:var(--text-secondary)}.ss-pair .cur{color:var(--text-primary);font-weight:700}.ss-pair .arrow{color:var(--text-muted);margin:0 4px}.superset-hint{background:#34d39914;border:1px solid rgba(52,211,153,.35);color:var(--success);border-radius:var(--radius-sm);padding:10px 12px;font-size:13px;font-weight:600;text-align:center;margin:6px 0 12px}.ss-toggle{display:none;width:100%;margin:2px 0 4px;background:transparent;border:1px solid var(--border);color:var(--text-secondary);border-radius:var(--radius-sm);padding:8px 10px;font-size:12px;font-weight:600;cursor:pointer;-webkit-tap-highlight-color:transparent}.ss-toggle:active{background:#4f7cff14}.ss-toggle.is-straight{border-color:#34d39959;color:var(--success)}.swap-chip{display:inline-block;vertical-align:middle;margin-left:8px;font-size:12px;font-weight:700;letter-spacing:.03em;color:var(--accent);background:#4f7cff1f;border:1px solid var(--border);border-radius:999px;padding:3px 9px;white-space:nowrap}.sub-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#0000008c;display:flex;align-items:flex-end;justify-content:center}.sub-sheet{width:100%;max-width:520px;background:var(--surface,#161b22);border:1px solid var(--border);border-radius:16px 16px 0 0;padding:16px 14px calc(16px + env(safe-area-inset-bottom));max-height:75vh;overflow-y:auto}.sub-sheet-title{font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);margin:2px 4px 12px}.sub-option{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;text-align:left;background:#ffffff08;border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px;margin-bottom:8px;cursor:pointer;-webkit-tap-highlight-color:transparent}.sub-option:active{background:#4f7cff1a}.sub-option.is-current{border-color:var(--accent);background:#4f7cff1a}.sub-opt-name{font-size:15px;font-weight:600;color:var(--text-primary)}.sub-option.is-current .sub-opt-name:after{content:" ✓";color:var(--accent)}.sub-opt-target{font-size:13px;color:var(--text-secondary);white-space:nowrap}.actions{padding:16px 0 8px}.btn-done{width:100%;height:64px;border:none;border-radius:var(--radius);background:var(--accent);color:#fff;font-size:20px;font-weight:700;cursor:pointer;transition:background var(--transition),transform .1s ease;letter-spacing:.5px}.btn-done:active{background:var(--accent-hover);transform:scale(.98)}.nav-row{display:flex;gap:12px;margin-top:12px}.btn-nav{flex:1;height:48px;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text-secondary);font-size:15px;font-weight:600;cursor:pointer;transition:background var(--transition),border-color var(--transition),color var(--transition)}.btn-nav:active{background:var(--btn-secondary-hover);border-color:var(--text-muted);color:var(--text-primary)}.btn-nav:disabled{opacity:.3;cursor:default}#complete-screen{justify-content:center;align-items:center;gap:24px;text-align:center}.complete-icon{font-size:64px;line-height:1}.complete-title{font-size:28px;font-weight:700}.complete-summary{font-size:15px;color:var(--text-secondary);line-height:1.6}.btn-save{width:100%;max-width:300px;height:60px;border:none;border-radius:var(--radius);background:var(--success);color:#fff;font-size:18px;font-weight:700;cursor:pointer;transition:background var(--transition),transform .1s ease}.btn-save:active{background:var(--success-hover);transform:scale(.98)}.btn-save:disabled{opacity:.5;cursor:default}.save-status{font-size:15px;min-height:24px}.save-status.success{color:var(--success)}.save-status.error{color:var(--danger)}.logged-badge{display:inline-block;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;padding:3px 8px;border-radius:4px;margin-left:8px;vertical-align:middle}.logged-badge.done{background:#34d39926;color:var(--success)}.logged-badge.skipped{background:#f8717126;color:var(--danger)}.settings-toggle{position:fixed;top:12px;right:12px;width:40px;height:40px;border-radius:50%;border:2px solid var(--border);background:var(--bg-card);color:var(--text-secondary);font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:100;transition:background var(--transition),border-color var(--transition)}.settings-toggle:active{background:var(--btn-secondary-hover);border-color:var(--accent)}#settings-screen{gap:20px;padding-top:8px}.settings-header{display:flex;align-items:center;justify-content:space-between}.settings-title{font-size:22px;font-weight:700}.btn-back{height:40px;padding:0 16px;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);color:var(--text-secondary);font-size:14px;font-weight:600;cursor:pointer}.settings-card{background:var(--bg-card);border-radius:var(--radius);padding:16px;border:1px solid var(--border)}.settings-card h3{font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-secondary);margin-bottom:10px}.settings-card p{font-size:13px;color:var(--text-muted);margin-bottom:12px;line-height:1.4}.btn-settings-action{width:100%;height:48px;border:none;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background var(--transition)}.btn-settings-action:active{background:var(--accent-hover)}.btn-settings-action:disabled{opacity:.5;cursor:default}.btn-settings-action.secondary{background:var(--btn-secondary);color:var(--text-primary)}.btn-settings-action.secondary:active{background:var(--btn-secondary-hover)}.settings-status{font-size:13px;margin-top:8px;min-height:20px}.settings-status.success{color:var(--success)}.settings-status.error{color:var(--danger)}.day-picker{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.day-btn{height:40px;padding:0 16px;border:2px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-primary);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--transition)}.day-btn:active,.day-btn.active{border-color:var(--accent);background:var(--accent);color:#fff}.day-btn.current{border-color:var(--success);color:var(--success)}.progress-toggle{position:fixed;top:12px;left:12px;width:40px;height:40px;border-radius:50%;border:2px solid var(--border);background:var(--bg-card);color:var(--text-secondary);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:100;transition:background var(--transition),border-color var(--transition)}.progress-toggle:active{background:var(--btn-secondary-hover);border-color:var(--accent)}#progress-screen{gap:16px;padding-top:8px}.progress-header{display:flex;align-items:center;justify-content:space-between}.progress-title{font-size:22px;font-weight:700}.progress-tabs{display:flex;gap:8px;background:var(--bg-input);border-radius:var(--radius);padding:4px}.progress-tab{flex:1;height:36px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-size:13px;font-weight:600;cursor:pointer;transition:all var(--transition)}.progress-tab.active{background:var(--accent);color:#fff}.progress-loading{display:flex;flex-direction:column;align-items:center;gap:12px;padding:40px 0}.progress-empty{text-align:center;color:var(--text-muted);font-size:15px;padding:40px 0}.exercise-card{background:var(--bg-card);border-radius:var(--radius);padding:16px;border:1px solid var(--border);margin-bottom:16px}.exercise-card-header{font-size:16px;font-weight:700;margin-bottom:12px}.chart-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:4px}.chart-container{height:200px;margin-bottom:12px}.summary-delta{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-secondary);padding:8px 0;border-top:1px solid var(--border)}.delta-positive{color:var(--success);font-weight:600}.delta-negative{color:var(--danger);font-weight:600}.table-toggle{width:100%;height:36px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-muted);font-size:13px;font-weight:600;cursor:pointer;margin-top:8px;transition:all var(--transition)}.table-toggle:active{background:var(--btn-secondary-hover);color:var(--text-secondary)}.exercise-table{width:100%;border-collapse:collapse;margin-top:8px;font-size:13px}.exercise-table th{text-align:left;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:11px;padding:8px 6px;border-bottom:1px solid var(--border)}.exercise-table td{padding:6px;color:var(--text-secondary);border-bottom:1px solid var(--border)}