:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--bg: #0a0a0a;--bg-card: #141414;--bg-card-hover: #1a1a1a;--bg-input: #1a1a1a;--border: rgba(255, 255, 255, .08);--border-active: rgba(255, 255, 255, .2);--text: #fafafa;--text-dim: rgba(255, 255, 255, .6);--text-muted: rgba(255, 255, 255, .4);--accent: #3b82f6;--accent-glow: rgba(59, 130, 246, .15);--danger: #ef4444;--success: #22c55e;--nav-height: 72px}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:var(--bg);color:var(--text)}.app{min-height:100vh;padding-bottom:var(--nav-height)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-height);background:#0a0a0af2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-around;padding:0 .5rem;z-index:100}.nav-btn{display:flex;flex-direction:column;align-items:center;gap:.2rem;background:none;border:none;color:var(--text-muted);cursor:pointer;padding:.5rem 1rem;border-radius:.75rem;transition:all .2s;font-size:.7rem}.nav-btn.active{color:var(--accent)}.nav-btn:hover{color:var(--text-dim)}.nav-icon{font-size:1.25rem}.nav-btn-center{background:var(--accent);color:#fff!important;width:48px;height:48px;border-radius:50%;padding:0;display:flex;align-items:center;justify-content:center;margin-top:-1.5rem;box-shadow:0 4px 20px #3b82f666;transition:transform .2s,box-shadow .2s}.nav-btn-center:hover{transform:scale(1.05);box-shadow:0 4px 24px #3b82f680}.nav-icon-center{font-size:1.5rem;font-weight:300}.dashboard{max-width:640px;margin:0 auto;padding:1.5rem 1rem 2rem}.dashboard-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem}.greeting{font-size:1.5rem;font-weight:700;margin:0;letter-spacing:-.02em}.subtitle{color:var(--text-dim);font-size:.85rem;margin-top:.25rem}.start-btn{display:flex;align-items:center;gap:.4rem;padding:.6rem 1.2rem;font-size:.85rem;white-space:nowrap}.plus-icon{font-size:1.2rem;line-height:1}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-bottom:1.5rem}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:1rem;padding:1rem;display:flex;align-items:center;gap:.75rem;transition:border-color .2s}.stat-card:hover{border-color:var(--border-active)}.stat-icon{font-size:1.5rem;width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:.75rem}.stat-icon.fire{background:#ef44441f}.stat-icon.workout{background:#3b82f61f}.stat-icon.calories{background:#eab3081f}.stat-icon.time{background:#22c55e1f}.stat-info{display:flex;flex-direction:column}.stat-value{font-size:1.25rem;font-weight:700;letter-spacing:-.02em}.stat-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.chart-section{margin-bottom:1.5rem}.section-title{font-size:1rem;font-weight:600;margin:0 0 1rem;letter-spacing:-.01em}.bar-chart{display:flex;align-items:flex-end;gap:.5rem;height:140px;padding:.75rem;background:var(--bg-card);border:1px solid var(--border);border-radius:1rem}.bar-column{flex:1;display:flex;flex-direction:column;align-items:center;height:100%}.bar-wrapper{flex:1;width:100%;display:flex;align-items:flex-end;justify-content:center}.bar{width:70%;max-width:32px;background:linear-gradient(to top,var(--accent),#60a5fa);border-radius:.375rem .375rem .125rem .125rem;min-height:4px;transition:height .5s ease;position:relative}.bar-tooltip{position:absolute;top:-1.6rem;left:50%;transform:translate(-50%);font-size:.65rem;color:var(--text-dim);white-space:nowrap}.bar-label{font-size:.7rem;color:var(--text-muted);margin-top:.4rem}.breakdown-section{margin-bottom:1.5rem}.breakdown-list{display:flex;flex-direction:column;gap:.65rem}.breakdown-item{background:var(--bg-card);border:1px solid var(--border);border-radius:.75rem;padding:.75rem 1rem}.breakdown-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem}.breakdown-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.breakdown-name{font-size:.85rem;font-weight:500;flex:1}.breakdown-percent{font-size:.8rem;font-weight:600;color:var(--text-dim)}.breakdown-bar-bg{height:4px;background:#ffffff0f;border-radius:2px;overflow:hidden}.breakdown-bar-fill{height:100%;border-radius:2px;transition:width .5s ease}.recent-section{margin-bottom:1.5rem}.recent-card{background:var(--bg-card);border:1px solid var(--border);border-radius:1rem;padding:1rem;margin-bottom:.75rem;transition:border-color .2s}.recent-card:hover{border-color:var(--border-active)}.recent-info h3{margin:0 0 .25rem;font-size:.95rem;font-weight:600}.recent-meta{font-size:.8rem;color:var(--text-muted);margin:0 0 .75rem}.recent-badges{display:flex;flex-wrap:wrap;gap:.4rem}.exercise-badge{font-size:.7rem;padding:.2rem .5rem;border:1px solid;border-radius:.375rem;font-weight:500}.empty-state{text-align:center;padding:3rem 1rem}.empty-icon{font-size:3rem;margin-bottom:1rem}.empty-state h2{margin:0 0 .5rem;font-size:1.25rem}.empty-state p{color:var(--text-dim);margin:0 0 1.5rem;font-size:.9rem}.btn-primary{background:var(--accent);color:#fff;border:none;padding:.65rem 1.5rem;border-radius:.75rem;font-weight:600;font-size:.85rem;cursor:pointer;transition:all .2s}.btn-primary:hover:not(:disabled){background:#2563eb;box-shadow:0 4px 16px #3b82f64d}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.workout-logger{max-width:640px;margin:0 auto;padding:1rem}.logger-header{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0;margin-bottom:1rem}.logger-header h1{font-size:1.1rem;font-weight:600;margin:0}.btn-back{background:none;border:none;color:var(--accent);font-size:.9rem;cursor:pointer;padding:.5rem}.logger-form{display:flex;flex-direction:column;gap:1rem}.form-group label{display:block;font-size:.8rem;color:var(--text-dim);margin-bottom:.35rem;font-weight:500}.input-name{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:.75rem;padding:.85rem 1rem;color:var(--text);font-size:1rem;font-weight:600;outline:none;transition:border-color .2s}.input-name:focus{border-color:var(--accent)}.form-row{display:flex;gap:1rem}.input-small{background:var(--bg-input);border:1px solid var(--border);border-radius:.5rem;padding:.6rem .75rem;color:var(--text);font-size:.9rem;width:100%;outline:none;transition:border-color .2s}.input-small:focus{border-color:var(--accent)}.exercises-list{display:flex;flex-direction:column;gap:.75rem}.exercise-card{background:var(--bg-card);border:1px solid var(--border);border-radius:1rem;padding:1rem}.exercise-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.75rem}.exercise-card-info{display:flex;align-items:center;gap:.5rem}.exercise-card-info h3{margin:0;font-size:.9rem;font-weight:600}.category-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.category-dot-lg{width:10px;height:10px;border-radius:50%;flex-shrink:0}.btn-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.9rem;padding:.25rem;transition:color .2s}.btn-remove:hover{color:var(--danger)}.sets-header{display:flex;align-items:center;padding:0 .25rem .5rem;font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600}.set-row{display:flex;align-items:center;padding:.35rem .25rem;border-radius:.5rem;transition:background .2s}.set-row:hover{background:#ffffff08}.set-row.set-done{background:#22c55e0f}.set-col-num{width:32px;text-align:center;font-size:.8rem;color:var(--text-muted);font-weight:600}.set-col{flex:1;display:flex;align-items:center;gap:.25rem;padding:0 .25rem}.set-col-done{width:40px;display:flex;justify-content:center}.set-col-del{width:28px}.input-set{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:.375rem;padding:.4rem .5rem;color:var(--text);font-size:.85rem;text-align:center;outline:none;transition:border-color .2s}.input-set:focus{border-color:var(--accent)}.unit{font-size:.7rem;color:var(--text-muted);min-width:1.2rem}.btn-check{width:32px;height:32px;border-radius:50%;border:2px solid var(--border);background:none;color:transparent;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;transition:all .2s}.btn-check:hover{border-color:var(--success)}.btn-check.checked{background:var(--success);border-color:var(--success);color:#fff}.btn-remove-set{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.7rem;padding:.25rem;opacity:0;transition:opacity .2s,color .2s}.set-row:hover .btn-remove-set{opacity:1}.btn-remove-set:hover{color:var(--danger)}.btn-add-set{background:none;border:1px dashed var(--border);border-radius:.5rem;padding:.5rem;color:var(--text-dim);font-size:.8rem;cursor:pointer;margin-top:.5rem;transition:all .2s;width:100%}.btn-add-set:hover{border-color:var(--accent);color:var(--accent)}.btn-add-exercise{background:var(--bg-card);border:2px dashed var(--border);border-radius:1rem;padding:1rem;color:var(--text-dim);font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s;width:100%}.btn-add-exercise:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}.input-notes{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:.5rem;padding:.75rem;color:var(--text);font-size:.85rem;resize:vertical;outline:none;font-family:inherit;transition:border-color .2s}.input-notes:focus{border-color:var(--accent)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:flex-end;justify-content:center;z-index:200;padding:1rem}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:1.25rem 1.25rem 0 0;width:100%;max-width:640px;max-height:80vh;display:flex;flex-direction:column}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1rem .75rem}.modal-header h2{margin:0;font-size:1.1rem}.btn-close{background:none;border:none;color:var(--text-muted);font-size:1.1rem;cursor:pointer;padding:.25rem}.input-search{margin:0 1rem .75rem;background:var(--bg-input);border:1px solid var(--border);border-radius:.5rem;padding:.7rem 1rem;color:var(--text);font-size:.9rem;outline:none;transition:border-color .2s}.input-search:focus{border-color:var(--accent)}.exercise-picker-list{overflow-y:auto;padding:0 .5rem 1rem}.exercise-picker-item{display:flex;align-items:center;gap:.75rem;padding:.85rem .75rem;background:none;border:none;width:100%;color:var(--text);cursor:pointer;border-radius:.75rem;transition:background .2s;text-align:left}.exercise-picker-item:hover{background:#ffffff0d}.picker-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.picker-info{display:flex;flex-direction:column}.picker-name{font-size:.9rem;font-weight:500}.picker-muscle{font-size:.75rem;color:var(--text-muted)}.no-results{text-align:center;color:var(--text-muted);padding:2rem 1rem;font-size:.9rem}.history{max-width:640px;margin:0 auto;padding:1.5rem 1rem 2rem}.history-empty{text-align:center;padding:4rem 1rem}.history-empty h2{margin:0 0 .5rem}.history-empty p{color:var(--text-dim)}.page-title{font-size:1.5rem;font-weight:700;margin:0 0 .25rem;letter-spacing:-.02em}.page-subtitle{color:var(--text-muted);font-size:.85rem;margin:0 0 1.5rem}.history-list{display:flex;flex-direction:column;gap:.5rem}.history-card{background:var(--bg-card);border:1px solid var(--border);border-radius:1rem;overflow:hidden;transition:border-color .2s}.history-card:hover{border-color:var(--border-active)}.history-card.expanded{border-color:var(--accent)}.history-card-main{display:flex;align-items:center;gap:1rem;padding:1rem;background:none;border:none;width:100%;color:var(--text);cursor:pointer;text-align:left}.history-date{display:flex;flex-direction:column;align-items:center;min-width:44px}.history-day{font-size:1.25rem;font-weight:700;line-height:1.1}.history-month{font-size:.7rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.history-info{flex:1}.history-info h3{margin:0 0 .2rem;font-size:.95rem;font-weight:600}.history-info p{margin:0;font-size:.8rem;color:var(--text-dim)}.history-chevron{color:var(--text-muted);font-size:.7rem}.history-details{padding:0 1rem 1rem;border-top:1px solid var(--border)}.history-stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:.5rem;padding:1rem 0}.mini-stat{text-align:center}.mini-stat-val{display:block;font-size:1.1rem;font-weight:700}.mini-stat-label{font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.history-exercises{display:flex;flex-direction:column;gap:.65rem;margin-bottom:.75rem}.history-exercise-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.35rem}.history-exercise-name{font-size:.85rem;font-weight:600}.history-sets{display:flex;flex-wrap:wrap;gap:.35rem;padding-left:1.25rem}.history-set-chip{font-size:.75rem;background:#ffffff0f;padding:.2rem .5rem;border-radius:.375rem;color:var(--text-dim)}.history-notes{font-size:.8rem;color:var(--text-muted);font-style:italic;margin:.5rem 0 1rem;padding:.5rem;background:#ffffff08;border-radius:.5rem}.btn-delete{background:none;border:1px solid var(--border);border-radius:.5rem;padding:.5rem 1rem;color:var(--text-muted);font-size:.8rem;cursor:pointer;transition:all .2s}.btn-delete:hover{border-color:var(--danger);color:var(--danger)}.btn-delete.confirm{background:var(--danger);border-color:var(--danger);color:#fff}.exercise-library{max-width:640px;margin:0 auto;padding:1.5rem 1rem 2rem}.input-search-full{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:.75rem;padding:.85rem 1rem;color:var(--text);font-size:.9rem;outline:none;margin-bottom:1rem;transition:border-color .2s}.input-search-full:focus{border-color:var(--accent)}.category-filters{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.25rem}.filter-chip{background:var(--bg-card);border:1px solid var(--border);border-radius:2rem;padding:.4rem .85rem;color:var(--text-dim);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .2s}.filter-chip:hover{border-color:var(--border-active)}.filter-chip.active{border-color:var(--accent);color:var(--accent);background:var(--accent-glow)}.exercise-grid{display:grid;grid-template-columns:1fr 1fr;gap:.65rem}.exercise-lib-card{background:var(--bg-card);border:1px solid var(--border);border-radius:.85rem;padding:.85rem;transition:border-color .2s}.exercise-lib-card:hover{border-color:var(--border-active)}.exercise-lib-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.35rem}.exercise-lib-header h3{margin:0;font-size:.8rem;font-weight:600;line-height:1.3}.exercise-lib-muscle{font-size:.7rem;color:var(--text-muted);margin:0 0 .5rem;padding-left:1.15rem}.exercise-lib-badge{display:inline-block;font-size:.6rem;padding:.15rem .4rem;border:1px solid;border-radius:.25rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-left:1.15rem}.no-results-full{text-align:center;padding:3rem;color:var(--text-muted)}.profile{max-width:640px;margin:0 auto;padding:1.5rem 1rem 2rem}.profile-header{text-align:center;margin-bottom:2rem}.avatar{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#8b5cf6);display:flex;align-items:center;justify-content:center;font-size:2rem;margin:0 auto 1rem}.profile-header h1{margin:0 0 .25rem;font-size:1.3rem}.profile-subtitle{color:var(--text-dim);font-size:.85rem;margin:0}.profile-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.65rem;margin-bottom:2rem}.profile-stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:.85rem;padding:1rem .75rem;text-align:center}.profile-stat-val{display:block;font-size:1.3rem;font-weight:700;margin-bottom:.2rem}.profile-stat-label{font-size:.65rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.profile-records{margin-bottom:2rem}.record-card{display:flex;align-items:center;gap:1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:1rem;padding:1rem;margin-bottom:.65rem}.record-icon{font-size:1.5rem}.record-card h3{margin:0 0 .2rem;font-size:.85rem;font-weight:600}.record-card p{margin:0;font-size:.8rem;color:var(--text-dim);display:flex;align-items:center;gap:.4rem}.danger-zone{margin-top:2rem}.btn-danger{background:none;border:1px solid rgba(239,68,68,.3);border-radius:.75rem;padding:.75rem 1.5rem;color:var(--danger);font-size:.85rem;cursor:pointer;transition:all .2s;width:100%}.btn-danger:hover{background:#ef44441a;border-color:var(--danger)}.profile-empty{text-align:center;padding:3rem 1rem;color:var(--text-dim)}@media(max-width:420px){.stats-grid{grid-template-columns:1fr 1fr}.exercise-grid{grid-template-columns:1fr}.profile-grid{grid-template-columns:repeat(2,1fr)}}