*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}html{font-size:16px;height:100%;overflow:hidden}body{font-family:Montserrat,sans-serif;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460);background-attachment:fixed;color:#fff;min-height:100vh;height:100%;width:100%;overflow:hidden;position:fixed;font-size:clamp(14px,1vw + 10px,16px);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2rem;padding:2rem 1rem}.time-select{display:flex;justify-content:center;gap:1.5rem;width:100%;max-width:500px}.time-select button{flex:1;min-width:80px;max-width:120px;padding:.75rem 1rem;border-radius:12px;border:2px solid rgba(255,255,255,.2);background:#ffffff1a;color:#fff;font-size:1.1rem;font-weight:500;cursor:pointer;transition:all .3s ease}.time-select button:hover{background:#fff3;transform:translateY(-2px)}.time-select button:active{transform:translateY(1px)}.time-select button.active{border-color:var(--accent-color, #018EBA);background:#018eba33}@media (max-width: 400px){.time-select{gap:1rem}.time-select button{min-width:70px;padding:.5rem;font-size:1rem}}.player-container{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;width:100%;max-width:500px}.progress-container{position:relative;display:flex;justify-content:center;align-items:center;width:100%;max-width:453px;aspect-ratio:1;margin:0 auto}.track-outline,.moving-outline{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:100%;height:100%}.time-display{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:3rem;font-weight:700;color:var(--text-color)}.controls-container{display:flex;justify-content:center;align-items:center;gap:2rem;margin-top:2rem;width:100%}.play-btn,.replay-btn{background:none;border:none;cursor:pointer;z-index:2;padding:.5rem;display:flex;align-items:center;justify-content:center}.play-btn img,.replay-btn img{width:3rem;height:3rem;opacity:.9}.play-btn:hover img,.replay-btn:hover img{opacity:1;transform:scale(1.1)}.sound-picker{display:flex;justify-content:center;gap:3rem;width:100%;max-width:500px;padding:0 1rem}.sound-btn{width:4rem;height:4rem;padding:1rem;border-radius:50%;border:2px solid rgba(255,255,255,.2);background:#ffffff1a;cursor:pointer;transition:all .3s ease}.sound-btn img{width:100%;height:100%;opacity:.9}.sound-btn:hover{background:#fff3}.sound-btn.active{border-color:var(--accent-color);background:#ffffff26}.floating-menu{position:fixed;top:50%;right:clamp(1rem,3vw,2rem);transform:translateY(-50%);display:flex;flex-direction:column;gap:clamp(1rem,3vh,1.5rem);z-index:100}.floating-menu .menu-btn{width:clamp(3rem,10vw,3.5rem);height:clamp(3rem,10vw,3.5rem);background:#ffffff1a;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);border-radius:16px;box-shadow:0 4px 30px #0000001a;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease}.floating-menu .menu-btn img{width:clamp(1.5rem,5vw,1.8rem);height:clamp(1.5rem,5vw,1.8rem);filter:brightness(0) invert(1);opacity:.9}.floating-menu .menu-btn:hover{background:#fff3;transform:translateY(-2px)}.floating-menu .menu-btn:hover img{opacity:1}@media (orientation: landscape) and (max-height: 600px){.app{grid-template-rows:auto 1fr;grid-template-columns:auto 1fr auto;grid-template-areas:"header header header" "left main right";gap:clamp(.5rem,2vh,1rem);padding:clamp(.5rem,2vh,1rem)}.time-select{flex-direction:column;position:fixed;left:clamp(.5rem,2vw,1rem);top:50%;transform:translateY(-50%);width:auto;margin:0}.time-select button{width:clamp(100px,15vw,120px);padding:clamp(.5rem,1.5vh,.75rem);font-size:clamp(.8rem,1.5vw,1rem)}.sound-picker{flex-direction:column;position:fixed;right:clamp(.5rem,2vw,1rem);top:50%;transform:translateY(-50%);width:auto;margin:0}.player-container{padding:clamp(.5rem,2vh,1rem) 0}.player-container .progress-container{width:min(45vh,250px)}.player-container .time-display{font-size:clamp(1.5rem,4vh,2.5rem)}.floating-menu{top:50%;right:clamp(1rem,3vw,2rem);transform:translateY(-50%);gap:clamp(.75rem,2vh,1rem)}}@media (max-width: 320px){.time-select button{min-width:60px;font-size:.875rem;padding:.5rem}.player-container .progress-container{width:85vw}.player-container .time-display{font-size:clamp(1.5rem,5vw,2rem)}.sound-picker{gap:1.5rem}.sound-picker .sound-btn{width:3rem;height:3rem}.sound-picker .sound-btn img{width:1.5rem;height:1.5rem}}@media (-webkit-min-device-pixel-ratio: 2),(min-resolution: 192dpi){.glass-effect{backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}}@keyframes pulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.8}to{transform:scale(1);opacity:1}}.play-btn:active,.replay-btn:active,.sound-btn:active{animation:pulse .3s ease-in-out}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;opacity:0;visibility:hidden;transition:all .5s ease}.modal-overlay.active{opacity:1;visibility:visible}.modal-content{background:#ffffff1a;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);border-radius:16px;box-shadow:0 4px 30px #0000001a;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);width:90%;max-width:400px;padding:2rem;z-index:1001;opacity:0;visibility:hidden;transition:all .5s cubic-bezier(.4,0,.2,1)}.modal-content.active{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1)}.modal-content h2{font-size:1.5rem;margin-bottom:1rem;color:#018eba;text-align:center}.modal-content p{margin-bottom:1rem;line-height:1.6;text-align:center}.modal-content .modal-btn{background:#ffffff1a;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);border-radius:16px;box-shadow:0 4px 30px #0000001a;width:100%;padding:1rem;margin-top:1rem;color:#fff;cursor:pointer;font-size:1rem;text-align:center;transition:all .3s ease}.modal-content .modal-btn:hover{background:#018eba4d;transform:translateY(-2px)}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}@keyframes breathe{0%,to{transform:scale(.95);border-color:#ffffff4d}50%{transform:scale(1.05);border-color:#018eba99}}.breath-indicator{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:min(80vw,300px);height:min(80vw,300px);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:all .5s ease;z-index:10}.breath-indicator.active{opacity:1;visibility:visible}.breath-indicator .breath-circle{width:100%;height:100%;border-radius:50%;border:2px solid rgba(255,255,255,.3);position:relative;animation:breathe 8s infinite ease-in-out;display:flex;align-items:center;justify-content:center}.time-btn:hover,.sound-btn:hover,.play-btn:hover,.replay-btn:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 8px 20px #0003}.time-btn:active,.sound-btn:active,.play-btn:active,.replay-btn:active{transform:translateY(1px) scale(.98)}.contact-modal{background:#ffffff1a;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 30px #0000001a;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);width:90%;max-width:400px;padding:2rem;z-index:1001;opacity:0;visibility:hidden;transition:all .5s cubic-bezier(.4,0,.2,1);border-radius:20px}.contact-modal.active{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1)}.contact-modal h2{font-size:1.8rem;margin-bottom:1.5rem;color:#018eba;text-align:center;font-weight:600}.contact-modal p{margin-bottom:1.5rem;line-height:1.6;text-align:center;color:#fff;font-size:1.1rem}.contact-modal .contact-btn{background:#ffffff1a;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 30px #0000001a;width:100%;padding:1rem;margin-top:1rem;color:#fff;cursor:pointer;font-size:1.1rem;text-align:center;transition:all .3s ease;display:flex;align-items:center;justify-content:center;gap:1rem;text-decoration:none;border-radius:12px}.contact-modal .contact-btn:hover{background:#018eba4d;transform:translateY(-2px)}.contact-modal .contact-btn img{width:24px;height:24px;filter:brightness(0) invert(1)}.contact-modal .close-btn{position:absolute;top:1rem;right:1rem;background:none;border:none;color:#fff;cursor:pointer;padding:8px;transition:all .3s ease}.contact-modal .close-btn:hover{transform:rotate(90deg)}.contact-modal .close-btn:before,.contact-modal .close-btn:after{content:"";position:absolute;width:20px;height:2px;background-color:currentColor;top:50%;left:50%}.contact-modal .close-btn:before{transform:translate(-50%,-50%) rotate(45deg)}.contact-modal .close-btn:after{transform:translate(-50%,-50%) rotate(-45deg)}.seiza-info .seiza-content{max-height:80vh;overflow-y:auto;padding:0 1.5rem}.seiza-info .seiza-content::-webkit-scrollbar{width:6px}.seiza-info .seiza-content::-webkit-scrollbar-track{background:#ffffff1a;border-radius:3px}.seiza-info .seiza-content::-webkit-scrollbar-thumb{background:#018eba80;border-radius:3px}.seiza-info .author-info{text-align:center;margin-bottom:2rem}.seiza-info .author-info h2{font-size:2rem;color:#018eba;margin-bottom:.5rem;font-weight:600}.seiza-info .author-info .methodology{font-size:1.1rem;color:#ffffffe6;font-style:italic}.seiza-info .highlight{font-size:1.2rem;color:#018eba;text-align:center;margin:2rem auto;font-style:italic;line-height:1.6;max-width:90%}.seiza-info .benefits-section{background:#ffffff0d;border-radius:16px;padding:1.5rem;margin:2rem 0}.seiza-info .benefits-section h3{color:#018eba;font-size:1.4rem;margin-bottom:1.5rem;text-align:center;font-weight:600}.seiza-info .benefits-list{list-style:none;padding:0;margin:0}.seiza-info .benefits-list li{margin-bottom:1.5rem;padding:1rem;border-radius:12px;background:#ffffff0d;transition:all .3s ease}.seiza-info .benefits-list li:hover{background:#018eba1a;transform:translate(5px)}.seiza-info .benefits-list li:last-child{margin-bottom:0}.seiza-info .benefits-list .benefit-title{display:block;color:#018eba;font-weight:600;margin-bottom:.5rem;font-size:1.1rem}.seiza-info .benefits-list p{margin:0;font-size:.95rem;line-height:1.5;opacity:.9}.seiza-info .practice-note{margin:2rem auto;padding:1rem;border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1);font-style:italic;text-align:center;color:#018eba;max-width:90%}.seiza-info .contact-info{text-align:center;margin-top:3rem;padding:1.5rem;background:#ffffff0d;border-radius:16px}.seiza-info .contact-info h3{color:#018eba;font-size:1.3rem;margin-bottom:1rem;font-weight:600}.seiza-info .contact-info p{margin-bottom:1.5rem;line-height:1.6;font-size:1rem;opacity:.9}.seiza-info .contact-info .practice-options{list-style:none;padding:0;margin:0 0 2rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.seiza-info .contact-info .practice-options li{padding:1rem;background:#ffffff0d;border-radius:8px;font-size:.95rem;transition:all .3s ease}.seiza-info .contact-info .practice-options li:hover{background:#018eba1a;transform:translateY(-2px)}.seiza-info .contact-info .contact-link{display:inline-flex;align-items:center;justify-content:center;gap:1rem;padding:1rem 2rem;background:#25d36633;color:#fff;text-decoration:none;border-radius:12px;transition:all .3s ease;font-weight:500}.seiza-info .contact-info .contact-link img{width:24px;height:24px;filter:brightness(0) invert(1)}.seiza-info .contact-info .contact-link:hover{background:#25d3664d;transform:translateY(-2px)}.info-modal{background:#ffffff1a;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 30px #0000001a;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);width:90%;max-width:400px;padding:3rem;z-index:1001;opacity:0;visibility:hidden;transition:all .5s cubic-bezier(.4,0,.2,1);border-radius:20px;text-align:center}.info-modal.active{opacity:1;visibility:visible;transform:translate(-50%,-50%) scale(1)}.info-modal .dev-logo{width:160px;height:50px;margin:0 auto 2rem;padding:1rem;background:#018eba1a;border-radius:12px;display:flex;align-items:center;justify-content:center}.info-modal .dev-logo img{width:100%;height:100%;object-fit:contain;filter:brightness(0) invert(1)}.info-modal h2{font-size:1.8rem;margin-bottom:1rem;color:#018eba;font-weight:600;letter-spacing:-.5px}.info-modal p{margin-bottom:2rem;line-height:1.6;font-size:1.1rem;color:#ffffffe6}.info-modal .dev-links{display:flex;flex-direction:column;gap:1rem;margin-top:2rem}.info-modal .dev-links a{background:#ffffff1a;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 30px #0000001a;padding:1.2rem;color:#fff;text-decoration:none;display:flex;align-items:center;justify-content:center;gap:1rem;transition:all .3s ease;border-radius:12px;font-size:1.1rem;font-weight:500;letter-spacing:.2px}.info-modal .dev-links a:hover{transform:translateY(-2px);background:#018eba33;box-shadow:0 8px 20px #0003}.info-modal .dev-links a img{width:24px;height:24px;filter:brightness(0) invert(1)}.info-modal .dev-links a.website-btn{background:#018eba1a}.info-modal .dev-links a.website-btn:hover{background:#018eba33}.info-modal .dev-links a.contact-btn{background:#25d3661a}.info-modal .dev-links a.contact-btn:hover{background:#25d36633}.info-modal .close-btn{position:absolute;top:1.5rem;right:1.5rem;background:none;border:none;color:#fff;cursor:pointer;padding:8px;transition:all .3s ease;opacity:.7}.info-modal .close-btn:hover{transform:rotate(90deg);opacity:1}.info-modal .close-btn:before,.info-modal .close-btn:after{content:"";position:absolute;width:20px;height:2px;background-color:currentColor;top:50%;left:50%}.info-modal .close-btn:before{transform:translate(-50%,-50%) rotate(45deg)}.info-modal .close-btn:after{transform:translate(-50%,-50%) rotate(-45deg)}