:root{color-scheme:dark;--sf-rgb: 255, 255, 255;--sh-rgb: 0, 0, 0;--ground: #050309;--ground-deep: #020103;--orb-a: rgba(124, 58, 237, .2);--orb-b: rgba(56, 189, 248, .1);--accent: #7c3aed;--accent-rgb: 124, 58, 237;--accent-hover: #6d28d9;--accent-soft: #a78bfa;--glass-bg: rgba(var(--sf-rgb), .07);--glass-border: rgba(var(--sf-rgb), .14);--glass-blur: blur(24px) saturate(160%);--glass-shadow: 0 4px 24px rgba(var(--sh-rgb), .4), inset 0 1px 0 rgba(255, 255, 255, .18), inset 0 -1px 0 rgba(255, 255, 255, .04);--ink: #f1f1f1;--ink-dim: rgba(255, 255, 255, .74);--ink-muted: rgba(255, 255, 255, .52);--ink-faint: rgba(255, 255, 255, .36);--hair: rgba(var(--sf-rgb), .08);--field-bg: rgba(255, 255, 255, .05);--field-border: rgba(255, 255, 255, .12);--field-ring: rgba(167, 139, 250, .7);--st-ok: #34d399;--st-wait: #fbbf24;--st-bad: #f87171;--t-display: 2rem;--t-h1: 1.375rem;--t-h2: 1.0625rem;--t-body: .9375rem;--t-sm: .8125rem;--t-xs: .75rem;--t-micro: .6875rem;--sp-1: 4px;--sp-2: 8px;--sp-3: 12px;--sp-4: 16px;--sp-5: 24px;--sp-6: 32px;--sp-7: 48px;--r-control: 8px;--r-card: 12px;--r-panel: 16px;--r-pill: 999px;--read-face: "Literata", Georgia, "Times New Roman", serif;--read-size: 1.1875rem;--read-leading: 1.62;--read-measure: 34rem;--read-gap: 1.35em;--read-ink: var(--ink);--read-ink-rest: rgba(255, 255, 255, .56);--read-active-bg: rgba(var(--accent-rgb), .14);--read-word-bg: rgba(167, 139, 250, .26);--read-word-line: rgba(167, 139, 250, .9);--ui-face: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif}:root[data-theme=dusk]{--ground: #0b0806;--ground-deep: #060403;--orb-a: rgba(180, 120, 60, .16);--orb-b: rgba(124, 58, 237, .1);--ink: #f4ece2;--ink-dim: rgba(244, 236, 226, .76);--ink-muted: rgba(244, 236, 226, .54);--ink-faint: rgba(244, 236, 226, .38);--read-ink: #f6efe6;--read-ink-rest: rgba(246, 239, 230, .56);--read-word-bg: rgba(251, 191, 36, .22);--read-word-line: rgba(251, 191, 36, .85);--read-active-bg: rgba(251, 191, 36, .09)}:root[data-theme=paper]{color-scheme:light;--sf-rgb: 24, 20, 32;--sh-rgb: 60, 50, 80;--ground: #f6f2ea;--ground-deep: #ece6da;--orb-a: rgba(124, 58, 237, .1);--orb-b: rgba(217, 119, 6, .08);--glass-bg: rgba(255, 255, 255, .72);--glass-border: rgba(24, 20, 32, .12);--glass-shadow: 0 2px 10px rgba(60, 50, 80, .1), inset 0 1px 0 rgba(255, 255, 255, .9);--ink: #1b1622;--ink-dim: rgba(27, 22, 34, .8);--ink-muted: rgba(27, 22, 34, .63);--ink-faint: rgba(27, 22, 34, .48);--hair: rgba(27, 22, 34, .1);--field-bg: rgba(255, 255, 255, .9);--field-border: rgba(27, 22, 34, .18);--read-ink: #201a28;--read-ink-rest: rgba(32, 26, 40, .52);--read-active-bg: rgba(var(--accent-rgb), .08);--read-word-bg: rgba(124, 58, 237, .16);--read-word-line: rgba(109, 40, 217, .85);--accent: #6d28d9;--accent-soft: #6d28d9;--st-ok: #047857;--st-wait: #b45309;--st-bad: #b91c1c}*,*:before,*:after{box-sizing:border-box}html,body,#app{height:100%}html,body{overflow:hidden;overscroll-behavior:none}#app{height:100vh;height:100dvh}body{margin:0;font-family:var(--ui-face);font-size:var(--t-body);color:var(--ink);background:var(--ground);-webkit-font-smoothing:antialiased}.ath-ground{position:fixed;inset:0;z-index:0;pointer-events:none;background:radial-gradient(60rem 40rem at 18% -10%,var(--orb-a),transparent 60%),radial-gradient(46rem 34rem at 88% 8%,var(--orb-b),transparent 62%),linear-gradient(180deg,var(--ground),var(--ground-deep))}.ath-shell{position:relative;z-index:1;overflow:hidden;height:100vh;height:100dvh;display:grid;grid-template-rows:auto minmax(0,1fr) auto}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:none;border:0}:focus-visible{outline:2px solid var(--field-ring);outline-offset:2px;border-radius:var(--r-control)}.glass{background:var(--glass-bg);border:1px solid var(--glass-border);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);box-shadow:var(--glass-shadow)}.eyebrow{font-size:var(--t-micro);text-transform:uppercase;letter-spacing:.12em;color:var(--ink-faint);font-weight:600}.ath-rail{display:flex;flex-direction:column;gap:var(--sp-3);padding:var(--sp-4);border-right:1px solid var(--hair);min-height:0}.ath-brand{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-1) var(--sp-1) var(--sp-2)}.ath-mark{width:30px;height:30px;border-radius:var(--r-pill);flex:none;background:radial-gradient(circle at 32% 28%,var(--accent-soft),var(--accent) 62%,#3b0f70);box-shadow:0 0 20px rgba(var(--accent-rgb),.45)}.ath-brand h1{margin:0;font-size:var(--t-h1);letter-spacing:-.01em;font-weight:650}.ath-brand p{margin:0;font-size:var(--t-micro);color:var(--ink-faint);letter-spacing:.1em;text-transform:uppercase}.ath-search{display:flex;gap:var(--sp-2)}.ath-input{width:100%;padding:var(--sp-2) 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i{display:block;height:100%;background:var(--accent-soft)}.ath-rail-foot{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-2);font-size:var(--t-xs);color:var(--ink-faint);border-top:1px solid var(--hair);padding-top:var(--sp-3)}.ath-main{display:grid;grid-template-rows:auto auto 1fr auto;min-height:0;min-width:0}.ath-top{position:relative;z-index:2;display:flex;align-items:center;gap:var(--sp-3);padding:0 var(--sp-5);height:46px;min-width:0;border-bottom:1px solid var(--hair);background:var(--ground)}.ath-top>*:not(.ath-title){flex:none}.ath-mark{width:10px;height:10px;border-radius:var(--r-pill);background:radial-gradient(circle at 32% 28%,var(--accent-soft),var(--accent) 70%);box-shadow:0 0 10px rgba(var(--accent-rgb),.55)}.ath-mark.is-loading{background:var(--st-wait);box-shadow:0 0 10px #fbbf2480;animation:ath-pulse 1.6s ease-in-out infinite}.ath-mark.is-bad{background:var(--st-bad);box-shadow:0 0 10px #f8717180}@keyframes ath-pulse{50%{opacity:.35}}.ath-wordmark{font-size:var(--t-xs);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}.ath-title{flex:1;min-width:0;font-family:var(--read-face);font-size:var(--t-body);color:var(--ink-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ath-link{padding:4px var(--sp-2);border-radius:var(--r-control);font-size:var(--t-sm);color:var(--ink-faint);transition:color .15s ease,background .15s ease}.ath-link:hover{color:var(--ink);background:rgba(var(--sf-rgb),.07)}.ath-link:disabled{opacity:.5;cursor:default}.ath-link:disabled:hover{background:none;color:var(--ink-faint)}.ath-link.is-strong{color:var(--accent-soft)}.ath-link.is-on{color:var(--ink);background:rgba(var(--sf-rgb),.09)}.ath-stage{overflow-y:auto;overscroll-behavior:contain;scroll-behavior:smooth;padding:var(--sp-7) var(--sp-5);min-height:0}.ath-stage.is-editing{padding-bottom:var(--sp-6)}.ath-tune-wrap{border-bottom:1px solid var(--hair);padding:var(--sp-2) var(--sp-5) var(--sp-3)}.ath-meta{display:flex;align-items:center;gap:var(--sp-3);font-size:var(--t-micro);color:var(--ink-faint);margin-bottom:var(--sp-2)}.ath-tune{display:flex;align-items:center;gap:var(--sp-5);flex-wrap:wrap}.ath-tune-item{display:flex;align-items:center;gap:var(--sp-2);min-width:0}.ath-tune-item>span{font-size:var(--t-xs);color:var(--ink-faint);white-space:nowrap}.ath-tune-item>span b{color:var(--ink-dim);font-weight:600;font-variant-numeric:tabular-nums}.ath-tune-item input[type=range]{width:108px}.ath-tune-voice{flex:1;min-width:190px;max-width:320px}.ath-select{flex:1;min-width:0;padding:5px var(--sp-2);padding-right:24px;border-radius:var(--r-control);background:transparent;border:1px solid var(--field-border);color:var(--ink-dim);font-size:var(--t-sm);appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-faint) 50%),linear-gradient(135deg,var(--ink-faint) 50%,transparent 50%);background-position:calc(100% - 13px) 52%,calc(100% - 9px) 52%;background-size:4px 4px,4px 4px;background-repeat:no-repeat;transition:border-color .15s ease,color .15s ease}.ath-select:hover{border-color:var(--field-ring);color:var(--ink)}.ath-select:focus{outline:none;border-color:var(--field-ring);box-shadow:0 0 0 3px #a78bfa26}.ath-select option,.ath-select optgroup{background:#12101a;color:#f1f1f1}:root[data-theme=paper] .ath-select option,:root[data-theme=paper] .ath-select optgroup{background:#fff;color:#1b1622}.ath-icon{flex:none;width:22px;height:22px;border-radius:var(--r-pill);display:grid;place-items:center;color:var(--ink-faint);border:1px solid var(--field-border);transition:color .15s ease,border-color .15s ease,background .15s ease}.ath-icon:hover{color:var(--ink);border-color:var(--field-ring);background:rgba(var(--sf-rgb),.06)}.ath-fold-enter-active,.ath-fold-leave-active{transition:opacity .16s ease,transform .16s ease}.ath-fold-enter-from,.ath-fold-leave-to{opacity:0;transform:translateY(6px)}.ath-doc .ath-plain{white-space:pre-wrap}.ath-doc .ath-lead{font-size:1.12em;font-weight:600;color:var(--read-ink);letter-spacing:-.012em;margin:1.9em 0 .55em}.ath-doc .ath-lead:first-child{margin-top:0}.ath-doc.is-focus .ath-lead .ath-w{color:var(--read-ink-rest)}.ath-doc .ath-plain-list{list-style-position:outside}.ath-doc .ath-plain-list li{white-space:pre-wrap;margin-bottom:.4em}.ath-page{position:relative;max-width:var(--read-measure);margin:0 auto}.ath-marker{position:absolute;left:-22px;top:0;width:2px;border-radius:2px;background:var(--accent-soft);opacity:0;transition:transform .22s cubic-bezier(.2,.8,.3,1),height .22s ease,opacity .2s ease}@media (max-width: 720px){.ath-marker{left:-12px}}.ath-doc{max-width:var(--read-measure);font-family:var(--read-face);font-size:var(--read-size);line-height:var(--read-leading);color:var(--read-ink);letter-spacing:.002em}.ath-doc h1,.ath-doc h2,.ath-doc h3{font-weight:650;line-height:1.25;letter-spacing:-.015em;margin:1.7em 0 .45em}.ath-doc>:first-child{margin-top:0}.ath-doc h1{font-size:1.7em}.ath-doc h2{font-size:1.35em}.ath-doc h3{font-size:1.14em}.ath-doc p,.ath-doc li{margin:0 0 var(--read-gap)}.ath-doc ul,.ath-doc ol{padding-left:1.3em}.ath-doc blockquote{margin:1.2em 0;padding:.2em 0 .2em 1.1em;border-left:2px solid rgba(var(--accent-rgb),.5);color:var(--ink-dim);font-style:italic}.ath-doc img{display:block;max-width:100%;height:auto;border-radius:var(--r-card);margin:1.4em auto;box-shadow:0 10px 40px rgba(var(--sh-rgb),.35)}.ath-doc pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.8em;line-height:1.6;background:rgba(var(--sf-rgb),.06);border:1px solid var(--hair);border-radius:var(--r-card);padding:var(--sp-3);overflow-x:auto}.ath-doc code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em;background:rgba(var(--sf-rgb),.08);padding:.1em .35em;border-radius:5px}.ath-doc pre code{background:none;padding:0}.ath-doc 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rgba(var(--accent-rgb),.16)}input[type=range]::-moz-range-thumb{width:13px;height:13px;border-radius:50%;background:var(--accent-soft);border:0;cursor:pointer}input[type=range]::-moz-range-track{height:3px;border-radius:2px;background:rgba(var(--sf-rgb),.18)}.ath-panel{position:fixed;top:0;right:0;bottom:0;width:min(392px,92vw);z-index:40;display:flex;flex-direction:column;gap:var(--sp-4);padding:var(--sp-5);overflow-y:auto;border-left:1px solid var(--glass-border);animation:ath-slide .22s cubic-bezier(.2,.8,.3,1)}@keyframes ath-slide{0%{transform:translate(16px);opacity:0}}.ath-scrim{position:fixed;inset:0;background:rgba(var(--sh-rgb),.42);z-index:39;animation:ath-fade .2s ease}@keyframes ath-fade{0%{opacity:0}}.ath-panel h3{margin:0;font-size:var(--t-h2);font-weight:620}.ath-field{display:flex;flex-direction:column;gap:var(--sp-2)}.ath-field label{font-size:var(--t-xs);color:var(--ink-muted);display:flex;justify-content:space-between}.ath-field label b{font-weight:600;color:var(--ink-dim);font-variant-numeric:tabular-nums}.ath-voices{display:flex;flex-direction:column;gap:var(--sp-2)}.ath-voice{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-3);border-radius:var(--r-card);border:1px solid transparent;text-align:left;width:100%;transition:background .15s ease,border-color .15s ease}.ath-voice:hover{background:rgba(var(--sf-rgb),.07);border-color:var(--hair)}.ath-voice.is-on{background:rgba(var(--accent-rgb),.16);border-color:rgba(var(--accent-rgb),.45)}.ath-voice b{display:block;font-size:var(--t-body);font-weight:600}.ath-voice span{display:block;font-size:var(--t-xs);color:var(--ink-faint)}.ath-voice .ath-grade{margin-left:auto;font-size:var(--t-micro);color:var(--ink-faint);font-variant-numeric:tabular-nums}.ath-seg{display:flex;gap:2px;padding:3px;border-radius:var(--r-control);background:rgba(var(--sf-rgb),.07);border:1px solid var(--hair)}.ath-seg button{flex:1;padding:var(--sp-2);border-radius:6px;font-size:var(--t-xs);color:var(--ink-muted);transition:background .15s ease,color .15s ease}.ath-seg button:hover{color:var(--ink);background:rgba(var(--sf-rgb),.08)}.ath-seg button.is-on{background:rgba(var(--accent-rgb),.3);color:var(--ink)}.ath-gate{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-2) var(--sp-5);border-bottom:1px solid var(--hair);font-size:var(--t-xs);color:var(--ink-faint);background:none;box-shadow:none;border-radius:0}.ath-gate .ath-track{flex:1;max-width:220px;height:2px;border-radius:2px;overflow:hidden;background:rgba(var(--sf-rgb),.14)}.ath-gate .ath-track i{display:block;height:100%;background:var(--accent-soft);transition:width .3s linear}.ath-gate.is-bad{color:var(--st-bad)}.ath-note-actions{display:flex;gap:var(--sp-2)}.ath-rail-toggle{display:none}.ath-hint{font-size:var(--t-xs);color:var(--ink-faint);line-height:1.6}@media (max-width: 900px){.ath-stage{padding:var(--sp-5) var(--sp-4) var(--sp-6)}.ath-tune{gap:var(--sp-4)}.ath-tune-wrap{padding:var(--sp-2) var(--sp-4) var(--sp-3)}.ath-gate{padding:var(--sp-2) var(--sp-4)}}@media (max-width: 620px){:root{--read-size: 1.0625rem;--read-measure: 100%}.ath-top{padding:0 var(--sp-4);gap:var(--sp-2)}.ath-wordmark{display:none}.ath-link{padding:4px 6px;font-size:var(--t-xs)}.ath-tune{gap:var(--sp-3) var(--sp-4)}.ath-tune-item input[type=range]{width:84px}.ath-tune-voice{flex:1 0 100%;max-width:none}.ath-transport{padding:0 var(--sp-4);gap:var(--sp-2)}.ath-voice-handle{max-width:34vw}.ath-top .ath-chip span,.ath-top .ath-chip{font-size:var(--t-micro)}.ath-top h2{font-size:var(--t-body)}.ath-speed,.ath-chip-text{display:none}.ath-chip{padding:5px}.ath-top-delete{display:none}.ath-note-kill{opacity:1}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}.ath-stage{scroll-behavior:auto}}