:root{--bg: #0b0e14;--bg-raised: #121724;--bg-card: #151b2b;--border: rgba(255, 255, 255, .08);--text: #e8ecf4;--text-muted: #9aa4b8;--accent: #8b93ff;--accent-soft: rgba(139, 147, 255, .14);--white-noise: #dfe7f5;--pink-noise: #f0a8c8;--brown-noise: #cf9468;--green-noise: #6fbf87;--bar-h: 6.4rem;--radius: 16px;--maxw: 72rem}*{box-sizing:border-box}html{scroll-behavior:smooth;color-scheme:dark}body{margin:0;background:var(--bg);background-image:radial-gradient(1200px 600px at 80% -10%,rgba(139,147,255,.07),transparent 60%),radial-gradient(900px 500px at 10% 110%,rgba(207,148,104,.05),transparent 60%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:1.0625rem;line-height:1.65;-webkit-font-smoothing:antialiased}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}.prose{max-width:46rem}h1,h2,h3{line-height:1.2;letter-spacing:-.02em;font-weight:700}h1{font-size:clamp(2rem,5vw,3.1rem);margin:0 0 .6em}h2{font-size:clamp(1.45rem,3vw,1.9rem);margin:2.2em 0 .6em}h3{font-size:1.15rem;margin:1.8em 0 .5em}p{margin:0 0 1.1em}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.muted{color:var(--text-muted)}.small{font-size:.9rem}header.site{border-bottom:1px solid var(--border);backdrop-filter:blur(8px);position:sticky;top:0;background:#0b0e14d1;z-index:50}header.site .wrap{display:flex;align-items:center;gap:1.5rem;padding-top:.85rem;padding-bottom:.85rem}.logo{font-weight:700;color:var(--text);letter-spacing:-.01em;white-space:nowrap}.logo span{color:var(--accent)}nav.main{display:flex;gap:1.1rem;flex-wrap:wrap;font-size:.95rem}nav.main a{color:var(--text-muted)}nav.main a:hover{color:var(--text);text-decoration:none}nav.main a[aria-current=page]{color:var(--text);font-weight:600}.hero{padding:4.5rem 0 2.5rem}.hero .lead{font-size:1.25rem;color:var(--text-muted);max-width:42rem}input[type=range]{accent-color:var(--accent);width:160px}select{background:var(--bg-raised);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:.4rem .6rem;font-family:inherit}.grid{display:grid;gap:1.1rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));margin:1.5rem 0}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem}.card h3{margin-top:0}.card p{color:var(--text-muted);font-size:.95rem;margin-bottom:.4em}.card a.more{font-size:.92rem}.cta{background:linear-gradient(135deg,#8b93ff1f,#cf94681a);border:1px solid var(--border);border-radius:var(--radius);padding:2rem;margin:2.5rem 0}.cta h2{margin-top:0}.btn{display:inline-block;background:var(--accent);color:#0b0e14;font-weight:600;padding:.8rem 1.5rem;border-radius:999px;margin-top:.5rem}.btn:hover{text-decoration:none;filter:brightness(1.1)}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.app-float{position:fixed;right:1.3rem;bottom:calc(var(--bar-h) + 1.2rem);z-index:90;display:flex;align-items:center;gap:1.1rem;background:linear-gradient(135deg,#8b93ff1f,#cf94681a),var(--bg);border:1px solid var(--border);border-radius:16px;padding:1rem 1.15rem;box-shadow:0 14px 44px #0000008c}.app-float-text{text-align:left}.app-float-title{margin:0;font-weight:700;font-size:.95rem;line-height:1.35}.app-float-note{margin:.5rem 0 0;font-size:.72rem}.app-float-qr{flex-shrink:0}.app-float img{background:#fff;border-radius:10px;padding:5px;display:block;margin:0 auto}.app-float-links{display:flex;justify-content:center;gap:1.1rem;margin-top:.5rem}.app-float-links a,.app-float-links span{color:var(--text);display:grid;place-items:center;padding:.2rem}.app-float-links a:hover{color:var(--accent)}.app-float-links .is-disabled{opacity:.4;cursor:default}@media(max-width:900px){.app-float{position:static;width:auto;max-width:280px;margin:3rem auto 0}}.table-scroll{overflow-x:auto;margin:1.5rem 0}table{border-collapse:collapse;width:100%;font-size:.97rem}th,td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--border);vertical-align:top}th{color:var(--text-muted);font-weight:600;white-space:nowrap}details{border:1px solid var(--border);border-radius:12px;padding:1rem 1.2rem;margin:.7rem 0;background:var(--bg-card)}summary{cursor:pointer;font-weight:600}details p{margin-top:.8em;margin-bottom:.2em;color:var(--text-muted)}.quiz-q{margin:2rem 0}.quiz-opts{display:grid;gap:.7rem;margin-top:.9rem}button.quiz-opt{appearance:none;text-align:left;background:var(--bg-card);border:1px solid var(--border);color:var(--text);padding:.95rem 1.1rem;border-radius:12px;font-size:1rem;font-family:inherit;cursor:pointer;transition:border-color .15s}button.quiz-opt:hover{border-color:var(--accent)}.quiz-progress{color:var(--text-muted);font-size:.9rem}.quiz-result{display:none}.quiz-result.visible{display:block}footer.site{border-top:1px solid var(--border);margin-top:5rem;padding:2.5rem 0 3rem;color:var(--text-muted);font-size:.92rem}.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:.9rem;margin:1.6rem 0}.tile{appearance:none;display:flex;align-items:center;gap:1.15rem;background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:1rem 1.05rem;color:var(--text);font-family:inherit;font-size:1rem;text-align:left;cursor:pointer;transition:border-color .15s,background .15s,transform .1s}.tile:hover{border-color:var(--accent)}.tile:active{transform:scale(.985)}.tile-dot{width:20px;height:20px;border-radius:50%;flex-shrink:0;box-shadow:0 0 16px 2px currentColor}.tile[data-color=white] .tile-dot{background:var(--white-noise);color:var(--white-noise)}.tile[data-color=pink] .tile-dot{background:var(--pink-noise);color:var(--pink-noise)}.tile[data-color=brown] .tile-dot{background:var(--brown-noise);color:var(--brown-noise)}.tile[data-color=green] .tile-dot{background:var(--green-noise);color:var(--green-noise)}.tile-body{display:flex;flex-direction:column;gap:.3rem;min-width:0}.tile-desc{color:var(--text-muted);font-size:.82rem}.tile-hz{color:var(--text-muted);font-size:.72rem;font-variant-numeric:tabular-nums;letter-spacing:.04em;opacity:.75}.tile-play{margin-left:auto;flex-shrink:0;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--border);background:var(--bg-raised);color:var(--text);transition:background .15s,color .15s,border-color .15s}.tile:hover .tile-play{border-color:var(--accent);color:var(--accent)}.tile .icon-pause,.tile.is-playing .icon-play{display:none}.tile.is-playing .icon-pause{display:block}.tile.is-playing{border-color:var(--accent);background:var(--accent-soft)}.tile.is-playing .tile-play{background:var(--accent);color:#0b0e14;border-color:var(--accent)}.tiles-hero .tile{padding:1.6rem 1.4rem;border-radius:18px;font-size:1.08rem}.tiles-hero .tile-dot{width:26px;height:26px}.tiles-hero .tile-play{width:52px;height:52px}.tiles-hero .tile-desc{font-size:.9rem}.tiles-hero{grid-template-columns:repeat(2,1fr);gap:1.1rem}@media(max-width:640px){.tiles-hero{grid-template-columns:1fr;gap:.8rem}.tiles-hero .tile{padding:1.15rem 1.1rem}}.hero-board{min-height:calc(100svh - var(--bar-h) - 5.5rem);display:flex;flex-direction:column;justify-content:center;position:relative;padding:1.5rem 0 3.2rem}.hero-board-top{text-align:center;margin-bottom:1.6rem}.hero-board-top h1{margin-bottom:.35em}.hero-board-top .lead{font-size:1.15rem;color:var(--text-muted);margin:0 auto}.hero-hint{text-align:center;margin-top:1.4rem}.scroll-hint{position:absolute;bottom:.4rem;left:50%;transform:translate(-50%);color:var(--text-muted);padding:.5rem;animation:hint-bounce 2s ease-in-out infinite}.scroll-hint:hover{color:var(--text)}@keyframes hint-bounce{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(7px)}}@media(prefers-reduced-motion:reduce){.scroll-hint{animation:none}}body{padding-bottom:calc(var(--bar-h) + 2rem)}.player-bar{position:fixed;left:0;right:0;bottom:0;z-index:100;background:#0d111aeb;backdrop-filter:blur(14px);border-top:1px solid var(--border)}.player-bar-inner{display:flex;align-items:center;gap:1.25rem;min-height:var(--bar-h);padding-top:.6rem;padding-bottom:.6rem;position:relative}.bar-now{display:flex;align-items:center;gap:.7rem;flex:1 1 0;min-width:0}.bar-dot{width:13px;height:13px;border-radius:50%;flex-shrink:0;box-shadow:0 0 12px 1px currentColor}.bar-dot[data-color=white]{background:var(--white-noise);color:var(--white-noise)}.bar-dot[data-color=pink]{background:var(--pink-noise);color:var(--pink-noise)}.bar-dot[data-color=brown]{background:var(--brown-noise);color:var(--brown-noise)}.bar-dot[data-color=green]{background:var(--green-noise);color:var(--green-noise)}.bar-meta{display:flex;flex-direction:column;line-height:1.3;min-width:0}.bar-meta strong{font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bar-play{appearance:none;width:58px;height:58px;border-radius:50%;border:none;background:var(--accent);color:#0b0e14;cursor:pointer;display:grid;place-items:center;transition:transform .1s,filter .15s;flex-shrink:0}.bar-play:hover{filter:brightness(1.12)}.bar-play:active{transform:scale(.94)}.bar-play .icon-pause,.bar-play.is-playing .icon-play{display:none}.bar-play.is-playing .icon-pause{display:block}.bar-depths{display:flex;background:var(--bg-raised);border:1px solid var(--border);border-radius:999px;padding:3px;gap:2px;position:absolute;left:50%;transform:translate(-50%)}.depth-btn{appearance:none;border:none;background:transparent;color:var(--text-muted);font-family:inherit;font-size:.85rem;width:88px;padding:.42rem 0;text-align:center;border-radius:999px;cursor:pointer;transition:background .15s,color .15s}.depth-btn:hover{color:var(--text)}.depth-btn.is-active{background:var(--accent);color:#0b0e14;font-weight:600}.bar-right{display:flex;align-items:center;gap:1rem;flex:1 1 0;justify-content:flex-end;color:var(--text-muted)}.bar-volume{display:flex;align-items:center;gap:.5rem}.bar-volume input[type=range]{width:110px}.bar-timer{position:relative}.timer-btn{appearance:none;display:flex;align-items:center;gap:.45rem;background:var(--bg-raised);border:1px solid var(--border);border-radius:999px;color:var(--text-muted);font-family:inherit;font-size:.86rem;padding:.5rem .95rem;cursor:pointer;transition:border-color .15s,color .15s;font-variant-numeric:tabular-nums}.timer-btn:hover{border-color:var(--accent);color:var(--text)}.timer-btn.is-active{border-color:var(--accent);background:var(--accent-soft);color:var(--accent);font-weight:600}.timer-pop{position:absolute;bottom:calc(100% + .8rem);right:0;width:240px;background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:1rem;box-shadow:0 12px 40px #00000080}.timer-pop-title{margin:0 0 .7rem;font-size:.85rem;color:var(--text-muted)}.timer-opts{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.45rem}.timer-opts button{appearance:none;border:1px solid var(--border);background:var(--bg-raised);color:var(--text);border-radius:9px;font-family:inherit;font-size:.84rem;padding:.5rem .2rem;cursor:pointer;transition:border-color .15s,background .15s}.timer-opts button:hover{border-color:var(--accent);background:var(--accent-soft)}.timer-cancel{appearance:none;display:flex;align-items:center;justify-content:center;gap:.4rem;width:100%;margin-top:.7rem;border:none;background:transparent;color:var(--text-muted);font-family:inherit;font-size:.84rem;padding:.45rem;cursor:pointer;border-radius:9px}.timer-cancel:hover{color:#ff8f8f;background:#ff646414}@media(max-width:900px){.bar-now .bar-meta .small,.bar-volume{display:none}}@media(max-width:900px){.bar-depths{position:static;transform:none;margin-left:auto}}@media(max-width:640px){:root{--bar-h: 5.4rem}.player-bar-inner{gap:.7rem}.bar-depths{padding:2px}.depth-btn{width:auto;padding:.38rem .6rem}.depth-btn{padding:.38rem .6rem;font-size:.78rem}.bar-play{width:50px;height:50px}.bar-now{flex:0 1 auto}.bar-meta strong{font-size:.82rem}.timer-btn span{max-width:64px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.timer-pop{right:-.5rem;width:220px}}footer.site nav{display:flex;gap:1.2rem;flex-wrap:wrap;margin-bottom:1.2rem}footer.site a{color:var(--text-muted)}footer.site a:hover{color:var(--text)}@media(max-width:640px){.hero{padding-top:2.8rem}nav.main{gap:.85rem;font-size:.88rem}}.astro-route-announcer{position:absolute;left:0;top:0;clip:rect(0 0 0 0);clip-path:inset(50%);overflow:hidden;white-space:nowrap;width:1px;height:1px}@keyframes astroFadeInOut{0%{opacity:1}to{opacity:0}}@keyframes astroFadeIn{0%{opacity:0;mix-blend-mode:plus-lighter}to{opacity:1;mix-blend-mode:plus-lighter}}@keyframes astroFadeOut{0%{opacity:1;mix-blend-mode:plus-lighter}to{opacity:0;mix-blend-mode:plus-lighter}}@keyframes astroSlideFromRight{0%{transform:translate(100%)}}@keyframes astroSlideFromLeft{0%{transform:translate(-100%)}}@keyframes astroSlideToRight{to{transform:translate(100%)}}@keyframes astroSlideToLeft{to{transform:translate(-100%)}}@media(prefers-reduced-motion){::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}[data-astro-transition-scope]{animation:none!important}}