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@layer theme{:root,:host{--spacing:.25rem;--default-font-family:var(--font-geist-sans);--default-mono-font-family:var(--font-geist-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline 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optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, 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components;@layer utilities{.relative{position:relative}.start{inset-inline-start:var(--spacing)}.table{display:table}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}}:root{--background:#f4fbf8;--foreground:#17211f}*{box-sizing:border-box}html{height:100%;min-height:100%}body{background:var(--background);color:var(--foreground);font-family:var(--font-geist-sans), "Noto Sans TC", "PingFang TC", sans-serif;height:100%;margin:0;overflow:hidden}button{font:inherit}.practice-page{background:radial-gradient(circle at 18% 18%,#5acead3d,#0000 28%),radial-gradient(circle at 84% 22%,#ffbe663d,#0000 26%),radial-gradient(circle at 58% 88%,#ea705a2e,#0000 32%),linear-gradient(135deg,#f4fbf8 0%,#edf8fc 48%,#fff8ef 100%);align-items:center;height:100svh;min-height:100svh;padding:clamp(12px,2.8vmin,34px);transition:background .6s;display:flex;overflow:hidden}.breath-stage{grid-template-rows:auto minmax(0,1fr) auto auto;grid-template-columns:minmax(255px,.76fr) minmax(300px,1.24fr);align-items:center;gap:clamp(12px,2.6vmin,24px);width:100%;max-width:1060px;height:min(100%,720px);margin:0 auto;display:grid}.practice-header{grid-area:1/1;justify-items:start;gap:14px;display:grid}.eyebrow{color:#287c70;letter-spacing:0;margin:0;font-size:.9rem;font-weight:800}h1{color:#17211f;letter-spacing:0;max-width:7ch;margin:0;font-size:clamp(2.55rem,6.4vw,5.6rem);font-weight:820;line-height:.95}.rhythm-strip{flex-wrap:wrap;gap:8px;max-width:360px;display:flex}.rhythm-strip span{color:#40504c;border:1px solid #17211f1f;border-radius:8px;padding:9px 12px;transition:background .3s,border-color .3s,color .3s,transform .3s}.rhythm-strip .active{color:#fffdf7;background:#17211f;border-color:#17211f;transform:translateY(-2px)}.sphere-zone{aspect-ratio:1;grid-area:1/2/-1;place-items:center;min-height:0;display:grid;position:relative}.breath-sphere{--breath-scale:.82;--phase-duration:3s;height:clamp(210px,34vw,372px);transform:scale(var(--breath-scale));transition:transform var(--phase-duration) cubic-bezier(.38, 0, .2, 1), filter .6s ease;border-radius:999px;place-items:center;width:clamp(210px,34vw,372px);display:grid;position:relative}.sphere-core,.sphere-ring{border-radius:999px;grid-area:1/1}.sphere-core{background:radial-gradient(circle at 36% 28%,#fffffff5 0 12%,#0000 26%),radial-gradient(circle at 64% 66%,#ffb75e8f,#0000 34%),linear-gradient(145deg,#76dfc5 0%,#4cb7d0 52%,#dd775d 100%);width:76%;height:76%;box-shadow:0 28px 70px #24656c3d,inset -18px -24px 40px #124f5c38,inset 18px 18px 46px #ffffff61}.sphere-ring{opacity:.78;border:1px solid #2c7e742e;width:92%;height:92%}.ring-one{animation:5s ease-in-out infinite quiet-pulse}.ring-two{border-color:#e071522e;width:100%;height:100%;animation:5s ease-in-out 1.2s infinite quiet-pulse}.phase-sun .sphere-core{background:radial-gradient(circle at 36% 28%,#fffffff5 0 12%,#0000 26%),radial-gradient(circle at 64% 66%,#3db8b280,#0000 34%),linear-gradient(145deg,#ffd98c 0%,#7bd9c3 56%,#e06f58 100%)}.phase-ember .sphere-core{background:radial-gradient(circle at 36% 28%,#fffffff0 0 12%,#0000 26%),radial-gradient(circle at 64% 66%,#75dabe80,#0000 34%),linear-gradient(145deg,#f3a06f 0%,#d46c63 52%,#4fb7bf 100%)}.countdown-panel{text-align:center;place-items:center;gap:4px;display:grid;position:absolute}.phase-label{color:#17211fb8;font-size:clamp(1.05rem,2.2vw,1.45rem);font-weight:800}.countdown-panel strong{color:#121917;letter-spacing:0;min-width:1.2ch;font-size:clamp(5rem,15vw,12rem);font-weight:840;line-height:.85}.status-row{grid-area:2/1;grid-template-columns:repeat(3,minmax(0,1fr));align-self:end;gap:10px;display:grid}.status-row div{border:1px solid #17211f1f;border-radius:8px;gap:5px;min-width:0;padding:12px 10px;display:grid}.status-row span{color:#566562;font-size:.82rem}.status-row strong{color:#17211f;overflow-wrap:anywhere;font-size:clamp(1rem,2.2vw,1.28rem)}.progress-track{background:#17211f1a;border-radius:999px;grid-area:3/1;width:100%;height:9px;overflow:hidden}.progress-track span{border-radius:inherit;background:linear-gradient(90deg,#42bfa8,#f0ba62,#db705c);height:100%;transition:width .22s linear;display:block}.control-row{grid-area:4/1;grid-template-columns:1.2fr 1fr 1fr;gap:12px;display:grid}.control-row button{cursor:pointer;border:0;border-radius:8px;min-height:46px;padding:12px 14px;transition:box-shadow .2s,transform .2s,background .2s}.control-row button:focus-visible{outline-offset:3px;outline:3px solid #287c705c}.control-row button:hover{transform:translateY(-1px)}.primary-action{color:#fffdf7;background:#17211f;min-width:132px;font-weight:800}.primary-action:hover{box-shadow:0 16px 38px #17211f2e}.secondary-action{color:#25332f;background:#ffffffad;font-weight:760}.music-action{color:#1d645a;background:#42bfa829;font-weight:800}.music-action[aria-pressed=true]{color:#5c4315;background:#f0ba626b}@keyframes quiet-pulse{0%,to{opacity:.28;transform:scale(.96)}50%{opacity:.76;transform:scale(1.08)}}@media (width<=760px){.practice-page{align-items:center;padding:12px}.breath-stage{grid-template-rows:auto minmax(0,1fr) auto auto auto;grid-template-columns:1fr;gap:10px;max-width:480px;height:100%}.practice-header{grid-area:1/1;grid-template-columns:1fr;align-items:end;gap:8px}h1{max-width:none;font-size:clamp(2rem,10.5vw,3.55rem);line-height:.98}.rhythm-strip{gap:6px;max-width:none}.rhythm-strip span{padding:7px 9px;font-size:.86rem}.sphere-zone{grid-area:2/1;min-height:0}.breath-sphere{width:clamp(172px,51vw,250px);height:clamp(172px,51vw,250px)}.countdown-panel strong{font-size:clamp(4.2rem,17vw,7rem)}.phase-label{font-size:1rem}.status-row,.progress-track,.control-row{grid-column:1}.status-row{grid-row:3;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.status-row div{padding:9px 8px}.status-row span{font-size:.76rem}.status-row strong{font-size:.98rem}.progress-track{grid-row:4;height:8px}.control-row{grid-row:5;grid-template-columns:1.2fr 1fr 1fr;gap:8px}.control-row button{white-space:nowrap;min-height:42px;padding:10px 8px}}@media (height<=650px) and (width>=761px){.breath-stage{height:100%}h1{font-size:clamp(2.1rem,5vw,4.3rem)}.breath-sphere{width:clamp(190px,31vw,315px);height:clamp(190px,31vw,315px)}.countdown-panel strong{font-size:clamp(4.6rem,13vw,9.5rem)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}}