:root{--bg-dark: #0f172a;--bg-darker: #020617;--primary: #00f3ff;--secondary: #bd00ff;--accent: #2dd4bf;--glass-bg: rgba(255, 255, 255, .03);--glass-border: rgba(255, 255, 255, .1);--glass-highlight: rgba(255, 255, 255, .2);--text-main: #f8fafc;--text-muted: #94a3b8;--font-main: "Outfit", sans-serif;--radius-lg: 24px;--radius-md: 16px;--radius-sm: 8px;--nav-height: 80px;--nav-bg: rgba(15, 23, 42, .8);--card-shadow: 0 8px 32px rgba(0, 0, 0, .2)}[data-theme=light]{--bg-dark: #f8fafc;--bg-darker: #f3f4f6;--primary: #06b6d4;--secondary: #9333ea;--glass-bg: rgba(255, 255, 255, .8);--glass-border: rgba(0, 0, 0, .05);--glass-highlight: rgba(255, 255, 255, .5);--text-main: #1e293b;--text-muted: #64748b;--nav-bg: rgba(255, 255, 255, .9);--card-shadow: 0 10px 40px rgba(0, 0, 0, .08)}body{margin:0;padding:0;background-color:var(--bg-darker);color:var(--text-main);font-family:var(--font-main);-webkit-font-smoothing:antialiased;min-height:100vh;position:relative;overflow-x:hidden;padding-bottom:var(--nav-height)}body:before{content:"";position:fixed;top:-20%;left:-20%;width:140%;height:140%;background:radial-gradient(circle at 20% 20%,rgba(0,243,255,.08) 0%,transparent 40%),radial-gradient(circle at 80% 80%,rgba(189,0,255,.08) 0%,transparent 40%);filter:blur(80px);z-index:-1;pointer-events:none}#root{max-width:600px;margin:0 auto;padding:20px;min-height:100vh}h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em}.neon-card{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius-lg);box-shadow:var(--card-shadow);position:relative;overflow:hidden}.border-gradient-cyan{position:relative}.border-gradient-cyan:before{content:"";position:absolute;inset:0;border-radius:var(--radius-lg);padding:1px;background:linear-gradient(135deg,rgba(0,243,255,.5),transparent);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.border-gradient-purple{position:relative}.border-gradient-purple:before{content:"";position:absolute;inset:0;border-radius:var(--radius-lg);padding:1px;background:linear-gradient(135deg,rgba(189,0,255,.5),transparent);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}.day-tabs{display:flex;gap:12px;overflow-x:auto;padding:10px 4px;margin-bottom:24px;scrollbar-width:none}.day-tabs::-webkit-scrollbar{display:none}.day-tab{background:transparent;color:var(--text-muted);padding:10px 20px;border-radius:100px;font-weight:600;font-size:.9rem;white-space:nowrap;cursor:pointer;border:1px solid transparent;transition:all .3s ease}.day-tab.active{background:linear-gradient(135deg,var(--primary),#2dd4bf);color:#000;box-shadow:0 0 15px #00f3ff66}.exercise-list{display:flex;flex-direction:column;gap:16px}.checkbox-wrapper{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-md);padding:16px;transition:all .3s ease;position:relative;overflow:hidden;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.checkbox-wrapper:hover{background:#ffffff0d;border-color:var(--primary);box-shadow:0 0 15px #00f3ff33;transform:translateY(-2px)}.checkbox-wrapper.completed-item{opacity:.6;border-color:var(--glass-border);background:transparent;box-shadow:none;transform:none}input[type=checkbox]{appearance:none;background-color:transparent;width:24px;height:24px;border:2px solid var(--text-muted);border-radius:6px;display:grid;place-content:center;transition:all .2s;cursor:pointer}input[type=checkbox]:before{content:"";width:14px;height:14px;transform:scale(0);transition:.12s transform ease-in-out;box-shadow:inset 1em 1em #fff;transform-origin:center;clip-path:polygon(14% 44%,0 65%,50% 100%,100% 16%,80% 0%,43% 62%)}input[type=checkbox]:checked{background-color:var(--secondary);border-color:var(--secondary);box-shadow:0 0 10px #bd00ff66}input[type=checkbox]:checked:before{transform:scale(1)}.feedback-card.neon-glass{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);padding:24px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:var(--card-shadow);text-align:center;margin-bottom:20px}.feedback-buttons{display:flex;gap:12px;justify-content:center;margin-top:15px}.feedback-btn{padding:10px 16px;border-radius:8px;text-decoration:none;font-size:.9rem;font-weight:600;transition:all .2s;display:flex;align-items:center;gap:6px}.feedback-btn.bug{background:#ef444433;color:#fca5a5;border:1px solid rgba(239,68,68,.3)}.feedback-btn.idea{background:#bd00ff33;color:#e879f9;border:1px solid rgba(189,0,255,.3)}.feedback-btn:hover{transform:translateY(-2px);filter:brightness(1.2)}.switch{position:relative;display:inline-block;width:50px;height:28px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background-color:#fff3;transition:.4s;border-radius:34px;border:1px solid var(--glass-border)}.slider:before{position:absolute;content:"";height:22px;width:22px;left:2px;bottom:2px;background-color:#fff;transition:.4s;border-radius:50%;box-shadow:0 2px 4px #0003}input:checked+.slider{background-color:var(--primary);border-color:var(--primary);box-shadow:0 0 10px #00f3ff66}input:checked+.slider:before{transform:translate(22px)}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-5px)}to{transform:translateY(0)}}.animate-float{animation:float 4s ease-in-out infinite}.library-view{padding:0 4px 100px;width:100%}.library-title{font-size:1.8rem;margin-bottom:24px;text-align:center;background:linear-gradient(to right,#bd00ff,#00f3ff);-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 10px rgba(189,0,255,.3))}.library-search-area{display:flex;gap:12px;margin-bottom:24px;height:50px}.library-search-input{flex:1;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;display:flex;align-items:center;padding:0 16px;transition:box-shadow .3s ease}.library-search-input:focus-within{box-shadow:0 0 15px #00f3ff33;border-color:#00f3ff80}.library-search-input input{width:100%;border:none;background:transparent;color:var(--text-main);font-size:1rem;outline:none;margin-left:10px}.library-filter-btn{width:50px;height:50px;min-width:50px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:16px;display:flex;justify-content:center;align-items:center;color:var(--text-muted);cursor:pointer;transition:all .3s ease}.library-filter-btn:hover{background:#ffffff1a;color:#fff}.library-filters{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;margin-bottom:24px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.library-filters::-webkit-scrollbar{display:none}.library-filter-tab{padding:8px 20px;border-radius:20px;border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--text-muted);font-size:.9rem;white-space:nowrap;cursor:pointer;transition:all .3s ease;-webkit-user-select:none;user-select:none;flex-shrink:0}.library-filter-tab.active{background:linear-gradient(135deg,#bd00ff33,#00f3ff33);border-color:var(--secondary);color:#fff;box-shadow:0 0 15px #bd00ff33}.library-card{display:flex;align-items:center;gap:16px;padding:20px;border-radius:20px;background:var(--glass-bg);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);margin-bottom:16px;transition:transform .2s ease,box-shadow .2s ease}.library-card:hover{transform:translateY(-2px);box-shadow:0 10px 30px #0000004d;border-color:#fff3}.lib-icon-box{width:60px;height:60px;min-width:60px;border-radius:16px;display:flex;justify-content:center;align-items:center;background:var(--glass-highlight);border:1px solid var(--glass-border)}.lib-content{flex:1;overflow:hidden}.lib-title{margin:0 0 4px;font-size:1.1rem;font-weight:600;color:var(--text-main)}.lib-desc{margin:0 0 8px;font-size:.85rem;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}.lib-meta{display:flex;align-items:center;gap:8px;font-size:.75rem;color:var(--text-muted)}.lib-tag{color:#00f3ff;background:#00f3ff1a;padding:2px 8px;border-radius:8px}.lib-action-btn{appearance:none;-webkit-appearance:none;background:linear-gradient(90deg,#bd00ff,#00f3ff);border:none;border-radius:12px;padding:0 20px;height:40px;color:#fff;font-weight:700;font-size:.85rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;box-shadow:0 4px 15px #00f3ff4d;transition:all .2s ease;text-decoration:none;white-space:nowrap}.lib-action-btn:active{transform:scale(.95)}.exercise-player-view{position:fixed;top:0;left:0;width:100%;height:100%;background:var(--bg-darker);z-index:1000;display:flex;flex-direction:column;padding:20px;box-sizing:border-box}.player-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}.player-close-btn{background:#ffffff1a;border:none;border-radius:50%;width:40px;height:40px;color:#fff;font-size:1.2rem;cursor:pointer}.player-content{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.player-text{font-size:1.4rem;line-height:1.5;font-weight:600;color:var(--text-main);margin-bottom:60px;max-width:90%}.breathing-circle-wrapper{position:relative;width:200px;height:200px;display:flex;justify-content:center;align-items:center}.breathing-circle{width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,#00f3ff33,#bd00ff33);border:2px solid rgba(255,255,255,.2);box-shadow:0 0 30px #00f3ff33;animation:breathe 8s ease-in-out infinite}.breathing-circle:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:60px;height:60px;border-radius:50%;background:#fff;opacity:.1}@keyframes breathe{0%,to{transform:scale(.95);opacity:.7;box-shadow:0 0 30px #00f3ff33}50%{transform:scale(1.3);opacity:1;box-shadow:0 0 60px #bd00ff80;border-color:#fff9}}@keyframes rapid-breathe{0%,to{transform:scale(1);opacity:.8;box-shadow:0 0 20px #00f3ff4d}50%{transform:scale(1.1);opacity:1;box-shadow:0 0 40px #00f3ff99}}@keyframes vibrate{0%{transform:translate(1px,1px) rotate(0)}10%{transform:translate(-1px,-2px) rotate(-1deg)}20%{transform:translate(-3px) rotate(1deg)}30%{transform:translate(3px,2px) rotate(0)}40%{transform:translate(1px,-1px) rotate(1deg)}50%{transform:translate(-1px,2px) rotate(-1deg)}60%{transform:translate(-3px,1px) rotate(0)}70%{transform:translate(3px,1px) rotate(-1deg)}80%{transform:translate(-1px,-1px) rotate(1deg)}90%{transform:translate(1px,2px) rotate(0)}to{transform:translate(1px,-2px) rotate(-1deg)}}@keyframes pulse-hold{0%{transform:scale(1);box-shadow:0 0 20px #fff3}50%{transform:scale(1.05);box-shadow:0 0 30px #fff6}to{transform:scale(1);box-shadow:0 0 20px #fff3}}.breathing-circle.rapid{animation:rapid-breathe .5s infinite ease-in-out;background:linear-gradient(135deg,#f05,#f50)}.breathing-circle.vibrate{animation:vibrate .8s infinite linear;background:linear-gradient(135deg,#bd00ff,#f0f)}.breathing-circle.hold{animation:pulse-hold 3s infinite ease-in-out;background:linear-gradient(135deg,#00f3ff,#00ff9d);border-color:#fff}.player-controls{display:flex;justify-content:space-between;align-items:center;margin-top:auto;width:100%;padding-bottom:20px}.btn-secondary{background:transparent;border:none;color:var(--text-muted);font-size:1rem;cursor:pointer;font-weight:500}.btn-primary{background:var(--text-main);color:var(--bg-darker);border:none;padding:12px 24px;border-radius:30px;font-weight:700;font-size:1rem;cursor:pointer;box-shadow:0 4px 15px #fff3}