*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d0d14;--surface: #14141f;--surface-2: #1c1c2a;--surface-3: #242436;--border: #2a2a40;--text: #e8e8f0;--text-muted: #7070a0;--text-faint: #44446a;--accent: #22d3a5;--accent-dim: rgba(34, 211, 165, .15);--danger: #e94560;--danger-dim: rgba(233, 69, 96, .15);--warning: #fbbf24;--warning-dim: rgba(251, 191, 36, .12);--radius: 10px;--radius-sm: 6px;--nav-h: 60px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;font-size:16px;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);min-height:100dvh;overscroll-behavior-y:none}#root{display:flex;flex-direction:column;min-height:100dvh}h1{font-size:1.6rem;font-weight:700;letter-spacing:-.02em}h2{font-size:1.2rem;font-weight:600}h3{font-size:1rem;font-weight:600}.screen{flex:1;padding:calc(var(--safe-top) + 16px) 16px calc(var(--nav-h) + var(--safe-bottom) + 16px);max-width:480px;margin:0 auto;width:100%}button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit;color:inherit;-webkit-tap-highlight-color:transparent}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 20px;border-radius:var(--radius);font-size:.95rem;font-weight:600;transition:opacity .1s,transform .1s;white-space:nowrap}.btn:active{transform:scale(.97);opacity:.85}.btn-primary{background:var(--accent);color:#000}.btn-danger{background:var(--danger);color:#fff}.btn-ghost{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn-sm{padding:8px 14px;font-size:.85rem}.btn-full{width:100%}.btn-icon{padding:8px;border-radius:8px;color:var(--text-muted);background:var(--surface-2);border:1px solid var(--border);font-size:1.1rem;line-height:1}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.badge{display:inline-block;padding:2px 10px;border-radius:99px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.badge-beginner{background:var(--surface-3);color:var(--text-muted)}.badge-novice{background:#3b82f633;color:#93c5fd}.badge-intermediate{background:#22d3a533;color:var(--accent)}.badge-advanced{background:#fbbf2433;color:var(--warning)}.badge-elite{background:#e9456033;color:var(--danger)}input[type=number],input[type=text],select{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:inherit;font-size:1rem;padding:10px 12px;width:100%;outline:none;transition:border-color .15s;-webkit-appearance:none;-moz-appearance:none;appearance:none}input[type=number]:focus,input[type=text]:focus,select:focus{border-color:var(--accent)}input[type=number]{-moz-appearance:textfield}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none}.nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--nav-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--surface);border-top:1px solid var(--border);display:flex;z-index:100}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--text-faint);font-size:.7rem;font-weight:500;text-decoration:none;transition:color .15s;-webkit-tap-highlight-color:transparent}.nav-item.active{color:var(--accent)}.nav-item svg{width:22px;height:22px}.stack{display:flex;flex-direction:column}.gap-4{gap:4px}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}.row{display:flex;align-items:center}.row.space-between{justify-content:space-between}.row.gap-8{gap:8px}.muted{color:var(--text-muted)}.faint{color:var(--text-faint)}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-accent{color:var(--accent)}.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}.divider{height:1px;background:var(--border);margin:12px 0}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;z-index:200;display:flex;align-items:flex-end;animation:fadeIn .15s ease}.modal-sheet{background:var(--surface);border-radius:var(--radius) var(--radius) 0 0;border-top:1px solid var(--border);width:100%;max-height:80dvh;display:flex;flex-direction:column;animation:slideUp .2s ease}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 16px 12px;border-bottom:1px solid var(--border)}.modal-body{flex:1;overflow-y:auto;padding:8px 0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.empty-state{text-align:center;padding:48px 24px;color:var(--text-muted)}.empty-state h3{font-size:1rem;margin-bottom:8px;color:var(--text)}.muscle-pill{display:inline-block;padding:2px 8px;border-radius:99px;font-size:.7rem;font-weight:500;background:var(--surface-3);color:var(--text-muted)}