:root{--primary: #3B82F6;--primary-dark: #1D4ED8;--primary-light: #EFF6FF;--primary-glow: rgba(59, 130, 246, .35);--emerald: #10B981;--emerald-light: #D1FAE5;--amber: #F59E0B;--amber-light: #FEF3C7;--red: #EF4444;--red-light: #FEE2E2;--purple: #8B5CF6;--purple-light: #EDE9FE;--bg-light: #F3F4F6;--bg-dark: #111827;--surface: #FFFFFF;--surface-dark: #1F2937;--border: #E5E7EB;--border-dark: #374151;--text-primary: #111827;--text-secondary: #6B7280;--text-muted: #9CA3AF;--text-inverse: #F9FAFB;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .12);--shadow-glow: 0 0 20px var(--primary-glow);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-xs: .625rem;--font-sm: .75rem;--font-base: .875rem;--font-md: 1rem;--font-lg: 1.125rem;--font-xl: 1.25rem;--font-2xl: 1.5rem;--font-3xl: 2rem;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .5s ease;--nav-height: 72px;--header-height: 64px;--max-width: 480px;--max-width-desktop: 1200px;--safe-bottom: env(safe-area-inset-bottom, 0px)}.dark{--bg-light: #111827;--surface: #1F2937;--border: #374151;--text-primary: #F9FAFB;--text-secondary: #D1D5DB;--text-muted: #6B7280;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--bg-light);color:var(--text-primary);min-height:100dvh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;transition:background var(--transition-base),color var(--transition-base)}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:inherit}img{max-width:100%;display:block}input,select,textarea{font-family:inherit;font-size:inherit}#app{width:100%;min-height:100dvh;display:flex;flex-direction:column}.app-container{max-width:var(--max-width);margin:0 auto;width:100%;min-height:100dvh;position:relative;display:flex;flex-direction:column;background:var(--bg-light)}@media(min-width:768px){.app-container{max-width:var(--max-width-desktop)}}.app-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);height:var(--header-height);transition:background var(--transition-base)}.dark .app-header{background:#111827d9}.header-brand{display:flex;flex-direction:column}.header-brand h1{font-size:var(--font-xl);font-weight:800;letter-spacing:-.02em;line-height:1}.header-brand h1 span{color:var(--primary)}.header-brand p{font-size:var(--font-xs);color:var(--text-muted);margin-top:2px}.momentum-badge{display:flex;align-items:center;gap:var(--space-sm);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-full);padding:6px 16px 6px 8px;box-shadow:var(--shadow-sm)}.momentum-icon{width:32px;height:32px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);position:relative}.momentum-label{font-size:var(--font-xs);font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.momentum-value{font-size:var(--font-base);font-weight:800;color:var(--text-primary);line-height:1}.page-content{flex:1;padding:var(--space-md);padding-bottom:calc(var(--nav-height) + var(--space-xl) + var(--safe-bottom));overflow-y:auto}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:var(--max-width);background:#ffffffeb;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--border);padding:var(--space-sm) var(--space-md);padding-bottom:calc(var(--space-sm) + var(--safe-bottom));z-index:50;display:flex;justify-content:space-around;align-items:center;height:var(--nav-height);transition:background var(--transition-base)}.dark .bottom-nav{background:#111827eb}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:var(--space-xs);color:var(--text-muted);transition:color var(--transition-fast);position:relative;min-width:48px}.nav-item.active,.nav-item:hover{color:var(--primary)}.nav-item .material-icons-round{font-size:24px}.nav-item span:last-child{font-size:10px;font-weight:600}.nav-item.active:after{content:"";position:absolute;bottom:-2px;width:4px;height:4px;border-radius:50%;background:var(--primary)}.nav-fab{width:52px;height:52px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px var(--primary-glow);transform:translateY(-12px);transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.nav-fab:hover{transform:translateY(-14px);box-shadow:0 6px 24px var(--primary-glow)}.nav-fab:active{transform:translateY(-10px) scale(.95)}.nav-fab .material-icons-round{font-size:28px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-md);box-shadow:var(--shadow-sm);transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.card:hover{box-shadow:var(--shadow-md)}.card-elevated{box-shadow:var(--shadow-md);border:none}.goal-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--space-md);display:flex;align-items:center;gap:var(--space-md);position:relative;overflow:hidden;transition:transform var(--transition-fast),box-shadow var(--transition-fast);cursor:pointer}.goal-card:hover{transform:scale(1.01);box-shadow:var(--shadow-md)}.goal-card-accent{position:absolute;top:0;left:0;width:4px;height:100%}.goal-card-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.goal-card-body{flex:1;min-width:0}.goal-card-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.goal-card-label{font-size:var(--font-xs);font-weight:700;text-transform:uppercase;letter-spacing:.05em}.goal-card-timeframe{font-size:var(--font-xs);font-weight:700;color:var(--text-muted)}.goal-card-title{font-size:var(--font-md);font-weight:700;margin-bottom:var(--space-sm)}.goal-card-pct{position:absolute;right:var(--space-md);top:50%;transform:translateY(-50%);font-size:var(--font-3xl);font-weight:900;opacity:.08}.progress-track{width:100%;height:6px;background:var(--border);border-radius:var(--radius-full);overflow:hidden}.progress-fill{height:100%;border-radius:var(--radius-full);transition:width 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16px;border-radius:var(--radius-full);font-size:var(--font-sm);font-weight:600;white-space:nowrap;border:1px solid var(--border);background:var(--surface);color:var(--text-secondary);transition:all var(--transition-fast);cursor:pointer}.chip.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 2px 8px var(--primary-glow)}.chip:hover{border-color:var(--primary);color:var(--primary)}.radio-card{cursor:pointer;display:block}.radio-card input{display:none}.radio-card-inner{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);border-radius:var(--radius-md);background:var(--surface);border:2px solid transparent;box-shadow:var(--shadow-sm);transition:all var(--transition-fast)}.radio-card input:checked+.radio-card-inner{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.radio-dot{width:22px;height:22px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);flex-shrink:0}.radio-card input:checked~.radio-card-inner .radio-dot,.radio-card input:checked+.radio-card-inner .radio-dot{border-color:var(--primary);background:var(--primary)}.input-group{margin-bottom:var(--space-md)}.input-group label{display:block;font-size:var(--font-sm);font-weight:600;color:var(--text-secondary);margin-bottom:var(--space-xs)}.input-field{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:var(--radius-md);background:var(--surface);color:var(--text-primary);font-size:var(--font-md);transition:border-color var(--transition-fast);outline:none}.input-field:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.input-field::placeholder{color:var(--text-muted)}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 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bottom,#9ca3af,#4b5563);border-radius:2px}.rail-l{left:0}.rail-r{right:0}.sleepers{position:absolute;inset:0;background-image:linear-gradient(0deg,#78350F 14px,transparent 14px);background-size:100% 60px;opacity:.5}.video-card{position:relative;width:100%;aspect-ratio:4/5;overflow:hidden;background:#111;border-radius:0}.video-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.8;transition:transform .7s ease}.video-card:hover img{transform:scale(1.05)}.video-card-gradient{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(0,0,0,.2) 0%,transparent 40%,rgba(0,0,0,.85) 100%)}.video-card-actions{position:absolute;top:var(--space-md);right:var(--space-md);display:flex;flex-direction:column;gap:var(--space-sm)}.video-action-btn{width:40px;height:40px;border-radius:50%;background:#0006;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;color:#fff;transition:background 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white;box-shadow:var(--shadow-sm)}.rank-1{background:linear-gradient(135deg,#fcd34d,#f59e0b);color:#92400e}.rank-2{background:#94a3b8}.rank-3{background:#f97316}.rank-default{background:var(--border);color:var(--text-muted)}.avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;flex-shrink:0;border:2px solid var(--border)}.avatar-sm{width:36px;height:36px}.avatar-lg{width:56px;height:56px}.toggle-track{width:50px;height:26px;border-radius:13px;background:var(--border);position:relative;cursor:pointer;transition:background var(--transition-fast)}.toggle-track.active{background:var(--primary)}.toggle-thumb{width:22px;height:22px;border-radius:50%;background:#fff;position:absolute;top:2px;left:2px;box-shadow:var(--shadow-sm);transition:transform var(--transition-fast)}.toggle-track.active .toggle-thumb{transform:translate(24px)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;gap:var(--space-md)}.empty-state{text-align:center;padding:var(--space-2xl) var(--space-lg)}.empty-state .material-icons-round{font-size:64px;color:var(--text-muted);margin-bottom:var(--space-md)}.empty-state h3{font-size:var(--font-lg);margin-bottom:var(--space-sm)}.empty-state p{color:var(--text-secondary);font-size:var(--font-base)}.toast{position:fixed;bottom:calc(var(--nav-height) + var(--space-md));left:50%;transform:translate(-50%) translateY(100px);background:var(--text-primary);color:var(--text-inverse);padding:12px 24px;border-radius:var(--radius-md);font-size:var(--font-sm);font-weight:600;box-shadow:var(--shadow-lg);z-index:100;opacity:0;transition:transform .3s ease,opacity .3s ease}.toast.show{transform:translate(-50%) translateY(0);opacity:1}.text-center{text-align:center}.text-primary-color{color:var(--primary)}.text-muted{color:var(--text-muted)}.font-bold{font-weight:700}.font-black{font-weight:900}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.mt-md{margin-top:var(--space-md)}.mt-lg{margin-top:var(--space-lg)}.mb-md{margin-bottom:var(--space-md)}.mb-lg{margin-bottom:var(--space-lg)}.p-md{padding:var(--space-md)}.w-full{width:100%}.relative{position:relative}.overflow-hidden{overflow:hidden}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.no-scrollbar::-webkit-scrollbar{display:none}.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}.page-enter{animation:fadeSlideUp 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