:root{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-card: #16213e;--bg-card-hover: #1c2a4a;--bg-input: #0f0f1a;--bg-surface: rgba(255, 255, 255, .03);--text-primary: #e8e8f0;--text-secondary: #8b8ba3;--text-muted: #5a5a72;--accent-primary: #a78bfa;--primary: var(--accent-primary);--accent-secondary: #6d28d9;--accent-gradient: linear-gradient(135deg, #a78bfa 0%, #6d28d9 100%);--accent-glow: 0 0 20px rgba(167, 139, 250, .3);--success: #34d399;--warning: #fbbf24;--danger: #f87171;--border-color: rgba(255, 255, 255, .06);--border-active: rgba(167, 139, 250, .4);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-xs: .75rem;--font-sm: .875rem;--font-md: 1rem;--font-lg: 1.125rem;--font-xl: 1.5rem;--font-2xl: 2rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--nav-height: 64px;--max-width: 480px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100dvh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;overscroll-behavior-y:contain;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}#root{min-height:100dvh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit;border:none;background:none;color:inherit}input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;outline:none;user-select:text;-webkit-user-select:text}ul,ol{list-style:none}img{max-width:100%;display:block}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:var(--radius-full)}.app-layout{display:flex;flex-direction:column;min-height:100dvh;max-width:var(--max-width);margin:0 auto;width:100%}.page-content{flex:1;padding:var(--space-lg);padding-bottom:calc(var(--space-xl) + 80px);animation:fadeIn var(--transition-base) ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fab{position:fixed;bottom:calc(64px + var(--space-lg) + env(safe-area-inset-bottom,0px));right:var(--space-lg);width:56px;height:56px;border-radius:50%;background:var(--accent-gradient);color:#fff;display:flex;align-items:center;justify-content:center;border:none;cursor:pointer;box-shadow:0 4px 16px #a78bfa66,var(--shadow-md);z-index:100;transition:all var(--transition-fast)}.fab:hover{transform:scale(1.08);box-shadow:0 6px 24px #a78bfa80,var(--shadow-lg)}.fab:active{transform:scale(.95)}@media(min-width:480px){.fab{right:calc(50% - var(--max-width) / 2 + var(--space-lg))}}.page-header{margin-bottom:var(--space-xl)}.page-header h1{font-size:var(--font-2xl);font-weight:800;letter-spacing:-.02em;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.page-header p{color:var(--text-secondary);font-size:var(--font-sm);margin-top:var(--space-xs)}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-lg);transition:all var(--transition-base)}.card:hover{border-color:var(--border-active);box-shadow:var(--accent-glow)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md)}.card-title{font-size:var(--font-lg);font-weight:700;color:var(--text-primary)}.card-subtitle{font-size:var(--font-sm);color:var(--text-secondary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-md);font-weight:600;font-size:var(--font-sm);transition:all var(--transition-fast);white-space:nowrap}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{box-shadow:var(--accent-glow);transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-primary)}.btn-secondary:hover{border-color:var(--border-active);background:#a78bfa14}.btn-danger{background:#f871711a;border:1px solid rgba(248,113,113,.2);color:var(--danger)}.btn-danger:hover{background:#f8717133}.btn-full{width:100%}.btn-lg{padding:var(--space-md) var(--space-xl);font-size:var(--font-md);border-radius:var(--radius-lg)}.icon-btn{padding:var(--space-sm);min-width:36px;min-height:36px}.input-group{display:flex;flex-direction:column;gap:var(--space-xs)}.label-xs{display:block;font-size:10px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}.input-group label{display:block;font-size:var(--font-xs);font-weight:600;color:var(--text-secondary);margin-bottom:var(--space-xs);text-transform:uppercase;letter-spacing:.05em}.input-field{width:100%;background:#0a0a14;border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);color:var(--text-primary);padding:12px 16px;font-size:var(--font-md);transition:all .2s cubic-bezier(.4,0,.2,1);outline:none;box-shadow:inset 0 2px 4px #0003}.input-field:hover{border-color:#fff3;background:#0d0d1a}.input-field:focus{border-color:var(--primary);background:#0d0d1a;box-shadow:0 0 0 3px #a78bfa1f,inset 0 2px 4px #0003}.input-field::placeholder{color:var(--text-muted)}.input-field.error{border-color:#ef4444}.error-text{color:#ef4444;font-size:var(--font-xs);margin-top:4px}.select-wrapper{position:relative}.select-wrapper:after{content:"▼";font-size:10px;color:var(--text-muted);position:absolute;right:20px;top:50%;transform:translateY(-50%);pointer-events:none}.select-field{appearance:none;-webkit-appearance:none;-moz-appearance:none;padding-right:48px;cursor:pointer}.select-field option{background:var(--bg-secondary);color:var(--text-primary)}.input-row{display:flex;gap:var(--space-sm)}.input-row .input-group{flex:1}.exercise-list-item{display:flex;justify-content:space-between;align-items:center;border-left:3px solid var(--accent-primary);padding-left:var(--space-md);padding-block:var(--space-sm);margin-bottom:var(--space-sm)}.exercise-list-item--optional{border-left-color:var(--text-muted);opacity:.7}.exercise-list-info{display:flex;flex-direction:column;gap:4px}.exercise-list-actions{display:flex;gap:var(--space-sm)}.exercise-form-inline{border-left:3px solid rgba(167,139,250,.4);padding-left:var(--space-md);margin-block:var(--space-md);background:#a78bfa08;padding-block:var(--space-md);padding-right:var(--space-sm);border-radius:0 var(--radius-md) var(--radius-md) 0}.exercise-form-inline.add-new{border-left-color:var(--text-muted);background:#ffffff05}.exercise-list-add-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:10px;background:transparent;border:1px dashed rgba(255,255,255,.15);border-radius:var(--radius-md);color:var(--text-secondary);font-size:var(--font-sm);font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.exercise-list-add-btn:hover{border-color:#a78bfa66;color:var(--accent-primary);background:#a78bfa0d}.badge{display:inline-flex;align-items:center;padding:2px var(--space-sm);border-radius:var(--radius-full);font-size:var(--font-xs);font-weight:600;background:#a78bfa26;color:var(--accent-primary)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:var(--space-2xl);gap:var(--space-md)}.empty-state .empty-icon{font-size:3rem;opacity:.5}.empty-state h3{font-size:var(--font-lg);color:var(--text-secondary)}.empty-state p{font-size:var(--font-sm);color:var(--text-muted);max-width:250px}.exercise-section{border-left:3px solid var(--accent-primary);padding-left:var(--space-md);margin-bottom:var(--space-sm)}.exercise-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-sm);gap:var(--space-sm)}.exercise-section-title{display:flex;flex-direction:column;gap:1px}.exercise-section-name{font-size:var(--font-md);font-weight:700;color:var(--text-primary);letter-spacing:-.01em}.exercise-section-date{font-size:var(--font-xs);color:var(--text-muted)}.sets-table{display:flex;flex-direction:column;gap:2px}.sets-table-head,.sets-table-row{display:grid;grid-template-columns:36px 1fr 1fr 1fr 38px;gap:var(--space-xs);align-items:center}.sets-table-head{padding-bottom:var(--space-xs);border-bottom:1px solid rgba(255,255,255,.04);margin-bottom:2px}.sets-table-head span{font-size:.6rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;text-align:center}.sets-table-row{padding:4px 0;border-radius:var(--radius-sm);transition:background var(--transition-fast)}.sets-table-row:hover{background:#ffffff05}.sets-row-num{font-size:var(--font-sm);font-weight:700;color:var(--accent-primary);text-align:center}.sets-row-prev{font-size:.7rem;color:var(--text-muted);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sets-col-input{text-align:center}.sets-input{width:100%;background:#ffffff0a;border:1px solid transparent;border-radius:6px;color:var(--text-primary);padding:8px 4px;font-size:var(--font-sm);font-weight:600;text-align:center;transition:all .15s ease;outline:none;font-family:inherit}.sets-input::placeholder{color:var(--text-muted);font-weight:400;opacity:.6}.sets-input:focus{background:#a78bfa0f;border-color:var(--accent-primary);box-shadow:0 0 0 2px #a78bfa1a}.sets-input-error{border-color:var(--danger)!important;background:#f871710f}.exercise-section-save{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:6px 16px;height:32px;margin:0!important;border-radius:var(--radius-full);background:#a78bfa1a;color:var(--accent-primary);border:1px solid rgba(167,139,250,.2);font-size:var(--font-xs);font-weight:600;font-family:inherit;cursor:pointer;transition:all var(--transition-fast)}.exercise-section-save:hover{background:#a78bfa2e;border-color:#a78bfa66;transform:translateY(-1px)}.exercise-section-save:active{transform:translateY(0)}.exercise-section-save:disabled{opacity:.6;cursor:not-allowed;transform:none}.exercise-section-cancel{display:inline-flex;align-items:center;justify-content:center;height:32px;width:32px;padding:0;margin:0!important;border-radius:var(--radius-full);background:#ffffff0d;color:var(--text-muted);border:1px solid rgba(255,255,255,.1);cursor:pointer;transition:all var(--transition-fast)}.exercise-section-cancel:hover{background:#ffffff1a;color:var(--text-primary);border-color:#fff3}.exercise-section+.exercise-section{padding-top:var(--space-md);border-top:1px solid rgba(255,255,255,.04)}.exercise-section--optional{border-left-color:var(--text-muted);opacity:.7}.exercise-section--optional:focus-within{opacity:1}.optional-tag{display:inline-block;font-size:.6rem;font-weight:600;color:var(--text-muted);background:#ffffff0f;border:1px solid rgba(255,255,255,.08);padding:1px 6px;border-radius:var(--radius-full);margin-left:var(--space-xs);vertical-align:middle;text-transform:uppercase;letter-spacing:.04em}.toggle-row{display:flex;align-items:center;justify-content:space-between;cursor:pointer;user-select:none;-webkit-user-select:none}.toggle-label{font-size:var(--font-sm);color:var(--text-secondary);font-weight:500}.toggle-input{position:absolute;opacity:0;width:0;height:0}.toggle-switch{position:relative;width:40px;height:22px;background:#ffffff1a;border-radius:11px;transition:background var(--transition-fast);flex-shrink:0}.toggle-switch:after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;background:var(--text-secondary);border-radius:50%;transition:transform var(--transition-fast),background var(--transition-fast)}.toggle-input:checked+.toggle-switch{background:#a78bfa4d}.toggle-input:checked+.toggle-switch:after{transform:translate(18px);background:var(--accent-primary)}.session-progress{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--space-sm) var(--space-md)}.session-progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-xs)}.session-progress-label{font-size:var(--font-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.session-progress-count{font-size:var(--font-sm);font-weight:700;color:var(--success)}.session-progress-bar{height:4px;background:#ffffff0f;border-radius:var(--radius-full);overflow:hidden}.session-progress-fill{height:100%;background:linear-gradient(90deg,#34d399,#10b981);border-radius:var(--radius-full);transition:width var(--transition-slow)}.toast{position:fixed;top:var(--space-lg);left:50%;transform:translate(-50%) translateY(-100px);background:var(--bg-card);border:1px solid var(--border-active);border-radius:var(--radius-md);padding:var(--space-sm) var(--space-lg);font-size:var(--font-sm);font-weight:500;box-shadow:var(--shadow-lg);z-index:200;display:flex;align-items:center;gap:var(--space-sm);white-space:nowrap;transition:transform var(--transition-base);max-width:calc(var(--max-width) - var(--space-xl))}.toast.show{transform:translate(-50%) translateY(0)}.toast.success{border-color:#34d39966;color:var(--success)}.skeleton{background:linear-gradient(90deg,var(--bg-card) 25%,var(--bg-card-hover) 50%,var(--bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}.spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--text-muted);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.divider{height:1px;background:var(--border-color);margin:var(--space-md) 0}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-xs{gap:var(--space-xs)}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.mt-sm{margin-top:var(--space-sm)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mb-xl{margin-bottom:var(--space-xl)}.mb-2xl{margin-bottom:var(--space-2xl)}.mb-xs{margin-bottom:var(--space-xs)}.mb-sm{margin-bottom:var(--space-sm)}.mb-md{margin-bottom:var(--space-md)}.text-center{text-align:center}.text-sm{font-size:var(--font-sm)}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100dvh;padding:var(--space-lg)}.login-card{background:var(--bg-card);padding:40px 24px;border-radius:var(--radius-lg);width:100%;max-width:360px;text-align:center;box-shadow:0 8px 24px #0003;border:1px solid var(--border-color)}.login-icon{font-size:48px;margin-bottom:var(--space-md)}.login-title{font-size:28px;margin-bottom:var(--space-sm);background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.login-subtitle{color:var(--text-muted);margin-bottom:32px}.btn-google{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:12px 16px;background:#fff;color:#3c4043;border:none;border-radius:var(--radius-md);font-weight:500;font-size:16px;cursor:pointer;transition:background-color .2s;box-shadow:0 1px 3px #0000001a}.btn-google:hover{background:#f8f9fa}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);background:var(--bg-primary);border-bottom:1px solid var(--border-color)}.top-bar-user{display:flex;align-items:center;gap:8px;font-size:var(--font-sm);color:var(--text-secondary);font-weight:500}.top-bar-avatar{width:24px;height:24px;border-radius:50%;object-fit:cover}.btn-logout{background:none;border:none;font-size:20px;cursor:pointer;padding:4px;border-radius:var(--radius-sm);transition:background-color .2s}.btn-logout:hover{background:var(--bg-hover)}.w-full{width:100%}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:64px;background:#1a1a1ad9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid var(--border-color);display:flex;justify-content:space-around;align-items:center;padding-bottom:env(safe-area-inset-bottom);z-index:1000}.bottom-nav .nav-link{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text-muted);text-decoration:none;font-size:10px;font-weight:500;transition:all .2s;flex:1}.bottom-nav .nav-link.active{color:var(--accent-primary)}.bottom-nav .nav-link:hover{color:var(--text-primary)}.bottom-nav .nav-link.active span{font-weight:600}