/* Psaltirea Scheiană — codex edition. Fraunces display + Source Serif body, self-hosted. */
@font-face{font-family:'Fraunces';font-style:normal;font-weight:300 900;font-display:swap;src:url(../fonts/fraunces-normal-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Fraunces';font-style:normal;font-weight:300 900;font-display:swap;src:url(../fonts/fraunces-normal-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Fraunces';font-style:italic;font-weight:300 900;font-display:swap;src:url(../fonts/fraunces-italic-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Fraunces';font-style:italic;font-weight:300 900;font-display:swap;src:url(../fonts/fraunces-italic-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:300 700;font-display:swap;src:url(../fonts/source-serif-4-normal-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:300 700;font-display:swap;src:url(../fonts/source-serif-4-normal-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Source Serif 4';font-style:italic;font-weight:300 700;font-display:swap;src:url(../fonts/source-serif-4-italic-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Source Serif 4';font-style:italic;font-weight:300 700;font-display:swap;src:url(../fonts/source-serif-4-italic-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* ---------- tokens ---------- */
:root{
  color-scheme:light;
  --paper:#f3ecdf; --paper-deep:#e9e0cf; --surface:#fbf7ef; --surface-2:#f0e7d4;
  --ink:#1c1814; --ink-soft:#3a332b; --ink-muted:#5c5347;
  --rule:#d6cab4; --rule-strong:#b5a78d;
  --accent:#a8261c; --accent-text:#801b13; --on-accent:#fff8ef;
  --gold:#634306; --gold-soft:#efe0bd;
  --focus:#1a5fb4;
  --badge-verified-bg:#d9ecd2; --badge-verified-ink:#1d4d1a;
  --badge-inflected-bg:#d7e6f7; --badge-inflected-ink:#173f66;
  --badge-family-bg:#e7ddf5; --badge-family-ink:#402a75;
  --badge-unverified-ink:#5c5347;
  --shadow:0 1px 2px #1c181414,0 10px 28px #1c181412;
  --display:"Fraunces","Iowan Old Style","Palatino Linotype",Georgia,serif;
  --serif:"Source Serif 4","Iowan Old Style",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --gutter:clamp(1rem,4vw,2.5rem); --bar:3rem; --measure:68ch;
}
html[data-theme="dark"]{
  color-scheme:dark;
  --paper:#14110d; --paper-deep:#1d1914; --surface:#1f1a15; --surface-2:#292015;
  --ink:#f1e9dc; --ink-soft:#ddd3c3; --ink-muted:#c2b7a5;
  --rule:#3a3229; --rule-strong:#5a4f41;
  --accent:#e0513c; --accent-text:#ff9d86; --on-accent:#1a0f0b;
  --gold:#e0b45c; --gold-soft:#3a2f1c;
  --focus:#8ab4ff;
  --badge-verified-bg:#1e3a24; --badge-verified-ink:#bfe3b4;
  --badge-inflected-bg:#1d3350; --badge-inflected-ink:#bcd6f7;
  --badge-family-bg:#33255a; --badge-family-ink:#d3c2f5;
  --badge-unverified-ink:#c2b7a5;
  --shadow:0 1px 2px #0006,0 10px 28px #0005;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
html,body{overflow-x:clip}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--serif);font-size:1.125rem;line-height:1.7;
  font-optical-sizing:auto;text-rendering:optimizeLegibility;
  background-image:
    radial-gradient(1200px 500px at 85% -80px,var(--gold-soft) 0%,transparent 60%),
    radial-gradient(900px 420px at -10% 240px,var(--paper-deep) 0%,transparent 55%);
  background-attachment:fixed;
}
html[data-theme="dark"] body{background-image:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-text);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:2px}
h1,h2,h3{font-family:var(--display);font-weight:600;text-wrap:balance;line-height:1.15}
section{scroll-margin-top:calc(var(--bar) + .75rem)}
[hidden]{display:none!important}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:72rem;margin:0 auto;padding-inline:var(--gutter)}
.measure{max-width:var(--measure)}
.skip{position:absolute;left:1rem;top:-4rem;z-index:60;background:var(--surface);color:var(--ink);
  padding:.6rem 1rem;border:2px solid var(--accent);font-family:var(--sans);font-size:.95rem;text-decoration:none}
.skip:focus{top:1rem}
p{margin:0 0 1.1rem}

/* reveal on scroll: content is visible unless JS arms the animation */
.js .rv{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .js .rv{opacity:1;transform:none}
}

/* ---------- top bar + progress ---------- */
.topbar{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:.6rem;
  min-height:var(--bar);padding:.3rem var(--gutter);
  padding-top:calc(.3rem + env(safe-area-inset-top,0px));
  background:color-mix(in srgb,var(--paper) 92%,transparent);
  backdrop-filter:saturate(1.3) blur(10px);-webkit-backdrop-filter:saturate(1.3) blur(10px);
  border-bottom:1px solid var(--rule);font-family:var(--sans);font-size:.82rem;
}
.topbar .home{font-weight:650;color:var(--ink-soft);text-decoration:none;flex:none}
.topbar .home:hover{color:var(--accent-text)}
.topnav{display:flex;gap:.1rem;overflow-x:auto;scrollbar-width:none;min-width:0;margin-left:.25rem}
.topnav::-webkit-scrollbar{display:none}
.topnav a{padding:.25rem .55rem;border-radius:999px;text-decoration:none;color:var(--ink-muted);white-space:nowrap}
.topnav a:hover{color:var(--accent-text);background:var(--paper-deep)}
.topnav a[aria-current="true"]{color:var(--ink);background:var(--paper-deep);font-weight:650}
.spacer{flex:1}
.chip{border:1px solid var(--rule-strong);border-radius:999px;padding:.22rem .7rem;
  text-decoration:none;color:var(--ink-soft);white-space:nowrap;background:var(--surface);flex:none}
.chip:hover{border-color:var(--accent);color:var(--accent-text)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;flex:none;
  width:2rem;height:2rem;padding:0;border-radius:999px;cursor:pointer;
  color:var(--ink-muted);background:var(--surface);border:1px solid var(--rule-strong)}
.icon-btn:hover{color:var(--accent-text);border-color:var(--accent)}
.icon-btn svg{display:block}
.icon-btn svg[hidden]{display:none}
.progress{position:fixed;top:0;left:0;z-index:55;height:3px;width:0;
  background:linear-gradient(90deg,var(--gold),var(--accent));border-radius:0 3px 3px 0}

/* ---------- rail ---------- */
.rail{position:fixed;right:.7rem;top:50%;transform:translateY(-50%);z-index:40;
  display:none;flex-direction:column;gap:.15rem}
@media (min-width:78rem){.rail{display:flex}}
.rail-dot{position:relative;display:flex;justify-content:flex-end;
  padding:.35rem 0;text-decoration:none}
.rail-dot .dot{width:.6rem;height:.6rem;border-radius:50%;flex:none;
  border:2px solid var(--rule-strong);background:var(--paper);transition:all .2s}
.rail-dot .rail-label{position:absolute;right:1.1rem;top:50%;transform:translateY(-50%) translateX(4px);
  font-family:var(--sans);font-size:.72rem;color:var(--ink-muted);white-space:nowrap;
  background:var(--surface);border:1px solid var(--rule);border-radius:999px;padding:.1rem .6rem;
  opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.rail-dot:hover .rail-label,.rail-dot[aria-current="true"] .rail-label{opacity:1;transform:translateY(-50%)}
.rail-dot[aria-current="true"] .dot{background:var(--accent);border-color:var(--accent);transform:scale(1.25)}

/* ---------- hero ---------- */
.hero{padding:clamp(2.5rem,7vw,5rem) 0 1rem;position:relative}
.hero .kicker{font-family:var(--sans);font-size:.82rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--accent-text);margin:0 0 1rem;
  display:flex;align-items:center;gap:.75rem}
.hero .kicker::after{content:"";height:1px;flex:1;max-width:12rem;
  background:linear-gradient(90deg,var(--accent),transparent)}
.hero h1{font-size:clamp(2.4rem,6.4vw,4.3rem);letter-spacing:-.015em;margin:0 0 1.25rem;max-width:16ch}
.hero h1 .qu{color:var(--accent-text);font-style:italic}
.deck{font-size:clamp(1.15rem,2.4vw,1.4rem);line-height:1.55;color:var(--ink-soft);
  max-width:56ch;margin:0 0 1.25rem}
.byline{font-family:var(--sans);font-size:.85rem;color:var(--ink-muted);margin:0 0 2rem}
.byline span+span::before{content:" · "}
.hero-stats{display:grid;grid-template-columns:repeat(4,auto);gap:0;justify-content:start;
  margin:0 0 2rem;border:1px solid var(--rule);border-radius:14px;background:var(--surface);
  box-shadow:var(--shadow);overflow:hidden;max-width:46rem}
.hero-stats>div{padding:.9rem 1.3rem;border-left:1px solid var(--rule)}
.hero-stats>div:first-child{border-left:0}
.hero-stats dt{font-family:var(--sans);font-size:.72rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-muted);margin-bottom:.15rem}
.hero-stats dd{margin:0;font-family:var(--display);font-size:1.5rem;font-weight:600;color:var(--ink)}
.hero-stats dd small{font-size:.95rem;font-weight:400;color:var(--ink-muted)}
@media (max-width:40rem){
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-stats>div:nth-child(3){border-left:0}
  .hero-stats>div{border-top:1px solid var(--rule)}
  .hero-stats>div:nth-child(-n+2){border-top:0}
}

/* word river: the title word flowing from beak to purpose */
.river{margin:0 0 2.5rem;border:1px solid var(--rule);border-radius:16px;overflow:hidden;
  background:linear-gradient(180deg,var(--surface),var(--paper-deep));box-shadow:var(--shadow)}
.river svg{display:block;width:100%;height:auto}
.river .flow{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;
  stroke-dasharray:6 10;opacity:.85}
.js .river .flow{animation:flow 2.6s linear 3}
.river:hover .flow,.river:focus-within .flow{animation:flow 2.6s linear infinite}
@keyframes flow{to{stroke-dashoffset:-32}}
.river .node{fill:var(--surface);stroke:var(--rule-strong);stroke-width:1.5}
.river .node.hot{fill:var(--accent);stroke:var(--accent)}
.river text{font-family:var(--display);fill:var(--ink)}
.river .w{font-size:30px;font-weight:600}
.river .g{font-size:19px;font-style:italic;fill:var(--ink-muted)}
.river .t{font-family:var(--sans);font-size:13px;font-weight:700;letter-spacing:.12em;fill:var(--accent-text)}
.river figcaption{font-family:var(--sans);font-size:.85rem;color:var(--ink-muted);
  padding:.8rem 1.2rem;border-top:1px solid var(--rule)}

/* cast of words */
.cast-wrap{margin:0 0 2.5rem}
.cast-heading{font-family:var(--sans);font-size:.82rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-muted);margin:0 0 .8rem}
.cast{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.45rem}
.cast a{display:inline-flex;align-items:baseline;gap:.45rem;text-decoration:none;
  border:1px solid var(--rule-strong);border-radius:999px;padding:.32rem .8rem .32rem .55rem;
  background:var(--surface);color:var(--ink);font-size:.95rem;transition:all .15s}
.cast a:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow)}
.cast .n{font-family:var(--sans);font-size:.7rem;font-weight:700;color:var(--on-accent);
  background:var(--gold);border-radius:999px;min-width:1.35rem;height:1.35rem;
  display:inline-flex;align-items:center;justify-content:center}
.cast a[data-b="unverified"] .n{background:transparent;color:var(--ink-muted);border:1.5px dashed var(--ink-muted)}
.cast a[data-b="inflected"] .n{background:var(--badge-inflected-ink)}
.cast a[data-b="family"] .n{background:var(--badge-family-ink)}
.cast small{color:var(--ink-muted);font-style:italic}

.answer{background:var(--surface);border:1px solid var(--rule);border-left:6px solid var(--accent);
  padding:1.25rem 1.4rem;margin:0 0 1rem;max-width:var(--measure)}
.answer h2{border:0;padding:0;margin:0 0 .6rem;font-size:1.05rem;font-family:var(--sans);font-weight:700}
.answer p:last-child{margin-bottom:0}

/* ---------- codex: scrolling chapters + sticky leaf ---------- */
.codex{display:grid;grid-template-columns:minmax(0,1fr);gap:2rem;margin-top:1rem}
@media (min-width:60rem){
  .codex{grid-template-columns:minmax(0,1fr) 21rem;gap:3rem;align-items:start}
}
.codex-side{order:-1}
@media (min-width:60rem){
  .codex-side{order:0;position:sticky;top:calc(var(--bar) + 1rem);
    height:min(calc(100vh - var(--bar) - 2rem),56rem);
    display:flex;flex-direction:column}
  .codex-side .leaf{flex:1 1 auto;min-height:0;display:flex;flex-direction:column}
  .codex-side .leaf img{flex:1 1 auto;min-height:0;max-height:none}
  .codex-side .leaf figcaption,.codex-side .hud{flex:none}
}
.leaf{border:1px solid var(--rule);border-radius:8px;overflow:hidden;background:var(--surface);
  box-shadow:var(--shadow);margin:0}
.leaf img{width:100%;max-height:min(38vh,22rem);object-fit:cover;object-position:top}
.leaf figcaption{font-family:var(--sans);font-size:.78rem;color:var(--ink-muted);
  padding:.6rem .9rem;border-top:1px solid var(--rule)}
.hud{margin-top:1rem;border:1px solid var(--rule);border-radius:14px;background:var(--surface);
  box-shadow:var(--shadow);padding:1rem 1.1rem;transition:opacity .25s ease}
.hud.fading{opacity:0}
.hud-kicker{font-family:var(--sans);font-size:.72rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--accent-text);margin:0 0 .35rem}
.hud-shift{font-family:var(--display);font-size:1.45rem;font-weight:600;margin:0 0 .25rem;line-height:1.25}
.hud-shift .arr{color:var(--accent)}
.hud-note{font-size:.95rem;color:var(--ink-muted);margin:0;font-style:italic}
@media (max-width:60rem){.hud-note{display:none}.hud-shift{font-size:1.2rem}}

.chapter{margin:0 0 1rem;max-width:var(--measure)}
.ch-head{border-top:3px solid var(--accent);padding-top:1rem;margin:2.5rem 0 1rem}
.ch-num{font-family:var(--display);font-size:1rem;color:var(--gold);margin:0 0 .25rem;
  letter-spacing:.2em;font-weight:600}
.chapter h2{font-size:clamp(1.6rem,3.4vw,2.2rem);margin:0 0 .3rem}
.ch-sub{font-family:var(--sans);font-size:.9rem;color:var(--ink-muted);margin:0}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:1.25rem 0;
  border:1px solid var(--rule);border-radius:12px;background:var(--surface);overflow:hidden}
.stats>div{padding:.8rem 1rem;border-left:1px solid var(--rule)}
.stats>div:first-child{border-left:0}
.stats dt{font-family:var(--sans);font-size:.72rem;font-weight:700;letter-spacing:.07em;
  text-transform:uppercase;color:var(--ink-muted)}
.stats dd{margin:.1rem 0 0;font-family:var(--display);font-size:1.15rem;font-weight:600}
.stats dd small{display:block;font-family:var(--sans);font-size:.78rem;font-weight:400;color:var(--ink-muted)}
@media (max-width:34rem){.stats{grid-template-columns:1fr}.stats>div{border-left:0;border-top:1px solid var(--rule)}.stats>div:first-child{border-top:0}}

/* figures + spoken quotes */
.fig{margin:1.75rem 0;border:1px solid var(--rule);border-radius:6px;overflow:hidden;
  background:var(--surface);box-shadow:var(--shadow)}
.fig img{width:100%}
.fig figcaption{font-family:var(--sans);font-size:.85rem;color:var(--ink-muted);
  padding:.8rem 1.1rem;border-top:1px solid var(--rule)}
.fig figcaption strong{color:var(--ink-soft)}
.fig.tall img{max-height:34rem;object-fit:cover;object-position:top}
.fig-pair{display:grid;gap:1.25rem}
@media (min-width:44rem){.fig-pair{grid-template-columns:1fr 1fr}.fig-pair .fig{margin:0}}
.spus{margin:1.75rem 0;padding:0 0 0 1.25rem;border-left:4px solid var(--gold);font-family:var(--display)}
.spus p{font-size:1.3rem;font-style:italic;line-height:1.5;margin:0 0 .5rem}
.spus footer{font-family:var(--sans);font-size:.82rem;color:var(--ink-muted);font-style:normal}
.debate{background:var(--surface-2);border:1px solid var(--rule);border-radius:12px;
  padding:1.25rem 1.4rem;margin:1.75rem 0;font-size:1.02rem}
.debate h3{margin:0 0 .5rem;font-size:1.02rem;font-family:var(--sans);font-weight:700}
.debate p:last-child{margin-bottom:0}
.legend{list-style:none;margin:1rem 0;padding:0;display:grid;gap:.5rem}
.legend li{display:flex;gap:.75rem;align-items:baseline;font-size:1rem}
.badge{display:inline-block;flex:none;font-family:var(--sans);font-size:.76rem;font-weight:700;
  letter-spacing:.04em;padding:.15rem .6rem;border-radius:999px;white-space:nowrap}
.badge[data-badge="verified"]{background:var(--badge-verified-bg);color:var(--badge-verified-ink)}
.badge[data-badge="inflected"]{background:var(--badge-inflected-bg);color:var(--badge-inflected-ink)}
.badge[data-badge="family"]{background:var(--badge-family-bg);color:var(--badge-family-ink)}
.badge[data-badge="unverified"]{border:2px dashed var(--ink-muted);color:var(--badge-unverified-ink)}
details.tip{display:inline}
details.tip summary{display:inline;cursor:pointer;color:var(--accent-text);
  text-decoration:underline dotted;text-underline-offset:.25em}
details.tip span{display:block;margin:.5rem 0 1rem;padding:.75rem 1rem;background:var(--surface);
  border:1px solid var(--rule);border-radius:8px;font-size:1rem}
.duel{display:grid;gap:1rem;margin:1.5rem 0}
@media (min-width:44rem){.duel{grid-template-columns:1fr 1fr}}
.duel article{border:1px solid var(--rule);border-radius:12px;background:var(--surface);padding:1.1rem 1.2rem}
.duel article.lost{opacity:.92;border-style:dashed}
.duel h3{margin:0 0 .3rem;font-size:1.3rem}
.duel h3 .vs{font-family:var(--sans);font-size:.75rem;font-weight:700;color:var(--accent-text);
  letter-spacing:.08em;text-transform:uppercase;display:block;margin-bottom:.2rem}
.duel p{font-size:.98rem;margin:0 0 .6rem}
.duel p:last-child{margin-bottom:0}

/* ---------- explorer ---------- */
.explorer{margin:2rem 0;scroll-margin-top:calc(var(--bar) + .75rem)}
.explorer>h2,.band h2{font-size:clamp(1.6rem,3.4vw,2.2rem);margin:0 0 .5rem;
  border-top:3px solid var(--accent);padding-top:1rem}
.section-intro{color:var(--ink-soft);max-width:var(--measure)}
.filters{background:var(--surface);border:1px solid var(--rule);border-radius:12px;
  padding:1rem 1.1rem;margin:1.25rem 0 1.5rem;font-family:var(--sans);font-size:.9rem}
.filters fieldset{border:0;margin:0 0 .75rem;padding:0}
.filters fieldset:last-of-type{margin-bottom:.25rem}
.filters legend{font-weight:700;padding:0;margin-bottom:.35rem;font-size:.9rem}
.filters .opts{display:flex;flex-wrap:wrap;gap:.35rem 1rem}
.filters label{display:inline-flex;align-items:center;gap:.45rem;min-height:2.75rem;
  padding:.2rem .4rem .2rem 0;cursor:pointer}
.filters input[type="checkbox"]{width:1.15rem;height:1.15rem;accent-color:var(--accent);flex:none}
.filter-row{display:flex;flex-wrap:wrap;gap:.75rem 1.25rem;align-items:center;
  margin-top:.75rem;border-top:1px solid var(--rule);padding-top:.75rem}
.resetbtn{font:inherit;font-size:.88rem;cursor:pointer;background:transparent;color:var(--accent-text);
  border:1px solid var(--accent);border-radius:999px;padding:.45rem 1.1rem;min-height:2.75rem}
.resetbtn:hover{background:var(--accent);color:var(--on-accent)}
.count{color:var(--ink-muted)}
.cards{list-style:none;margin:0;padding:0;display:grid;gap:1.1rem;counter-reset:card}
@media (min-width:56rem){.cards{grid-template-columns:1fr 1fr}}
.card{background:var(--surface);border:1px solid var(--rule);border-radius:14px;
  padding:1.25rem 1.35rem;scroll-margin-top:calc(var(--bar) + .75rem);
  box-shadow:var(--shadow);position:relative;overflow:hidden}
.card::before{content:counter(card,decimal-leading-zero);counter-increment:card;
  position:absolute;right:.9rem;top:.4rem;font-family:var(--display);
  font-size:2.6rem;font-weight:700;color:var(--rule);opacity:.7;line-height:1}
.card[hidden]{display:none}
.card h3{margin:0 2.5rem .35rem 0;font-size:1.55rem;letter-spacing:-.01em}
.card h3 .ety{font-family:var(--sans);font-size:.78rem;font-weight:400;color:var(--ink-muted);
  display:block;margin-top:.15rem}
.card .badges{display:flex;flex-wrap:wrap;gap:.35rem;margin-bottom:.7rem}
.card dl{margin:0;font-size:.98rem;line-height:1.6;display:grid;gap:.4rem}
.card dt{font-family:var(--sans);font-size:.74rem;font-weight:700;letter-spacing:.07em;
  text-transform:uppercase;color:var(--ink-muted)}
.card dd{margin:0 0 .25rem}
.card .shift{font-size:1.08rem;font-weight:600}
.card .shift .arr{color:var(--accent);font-weight:700}
.card .story{font-size:.95rem}
.card .story::before{content:"❧ ";color:var(--gold);font-weight:700}
.card .src{font-size:.9rem}
.card .tags{font-family:var(--sans);font-size:.8rem;color:var(--ink-muted);margin:.5rem 0 0}
.empty-note{background:var(--surface-2);border:1px solid var(--rule);border-radius:12px;
  padding:1rem 1.2rem;font-family:var(--sans);font-size:.95rem;color:var(--ink-muted)}
.empty-note[hidden]{display:none}

/* ---------- frequencies ---------- */
.band{margin:3rem 0}
.bars{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;gap:.9rem;max-width:var(--measure)}
.bars li{display:grid;grid-template-columns:7.5rem 1fr 4.5rem;gap:.8rem;align-items:center}
.bars .bw{font-family:var(--display);font-size:1.15rem;font-weight:600;text-align:right}
.bars .bw a{text-decoration:none;color:var(--ink)}
.bars .bw a:hover{color:var(--accent-text)}
.bars .bar{height:1.9rem;background:var(--surface);border:1px solid var(--rule);
  border-radius:8px;overflow:hidden;position:relative}
.bars .bar span{display:block;height:100%;width:var(--w,100%);border-radius:0 6px 6px 0;
  background:linear-gradient(90deg,var(--gold),var(--accent));transition:width 1s ease}
.bars .bn{font-family:var(--sans);font-size:.85rem;color:var(--ink-muted)}
.bars .bn strong{color:var(--ink);font-size:1rem}
@media (max-width:34rem){.bars li{grid-template-columns:5.5rem 1fr 3.5rem}}

/* ---------- quiz ---------- */
.quiz-list{list-style:none;margin:1.5rem 0 0;padding:0;display:grid;gap:1.1rem;counter-reset:quiz}
@media (min-width:56rem){.quiz-list{grid-template-columns:1fr 1fr}}
.quiz-card{background:var(--surface);border:1px solid var(--rule);border-radius:14px;
  padding:1.25rem 1.35rem;box-shadow:var(--shadow);counter-increment:quiz}
.quiz-card h3{margin:0 0 .3rem;font-size:1.4rem}
.quiz-card h3::before{content:counter(quiz) ". ";color:var(--gold)}
.quiz-card .q{font-size:1.05rem;margin:0 0 .8rem}
.quiz-btns{display:flex;flex-wrap:wrap;gap:.5rem;margin:0 0 .5rem}
.quiz-btns button{font-family:var(--sans);font-size:.92rem;cursor:pointer;
  border:1px solid var(--rule-strong);background:var(--paper);color:var(--ink);
  border-radius:999px;padding:.5rem 1.1rem;min-height:2.75rem}
.quiz-btns button:hover:not(:disabled){border-color:var(--accent);color:var(--accent-text)}
.quiz-btns button:disabled{cursor:default;opacity:.75}
.quiz-btns button.right{border-color:var(--badge-verified-ink);background:var(--badge-verified-bg);
  color:var(--badge-verified-ink);font-weight:700;opacity:1}
.quiz-btns button.wrong{border-color:var(--accent);opacity:.55;text-decoration:line-through}
.quiz-card details{margin-top:.4rem}
.quiz-card summary{cursor:pointer;color:var(--accent-text);font-family:var(--sans);
  font-size:.9rem;font-weight:600}
.quiz-card details p{font-size:.95rem;margin:.5rem 0 0}
.quiz-verdict{font-weight:700}
.quiz-verdict.ok{color:var(--badge-verified-ink)}
.quiz-score{margin-top:1.25rem;font-family:var(--sans);font-size:1rem;
  border:1px dashed var(--rule-strong);border-radius:12px;padding:1rem 1.2rem;max-width:var(--measure)}
.quiz-score strong{font-family:var(--display);font-size:1.3rem}

/* ---------- unknowns, sources, method, footer ---------- */
.know{display:grid;gap:1rem;margin:1.5rem 0;max-width:var(--measure)}
@media (min-width:44rem){.know{grid-template-columns:1fr 1fr}}
.know section{background:var(--surface);border:1px solid var(--rule);border-radius:12px;padding:1.1rem 1.25rem}
.know h3{margin:0 0 .5rem;font-size:1.02rem;font-family:var(--sans);font-weight:700}
.know ul{margin:0;padding-left:1.15rem;font-size:.98rem;line-height:1.65}
.know li{margin-bottom:.5rem}
.zerolist{margin:1rem 0;padding-left:1.25rem;max-width:var(--measure)}
.zerolist li{margin-bottom:.5rem}
.sources{font-size:1rem;max-width:var(--measure)}
.sources li{margin-bottom:.7rem}
.src-group{font-family:var(--sans);font-size:.8rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-muted);margin:1.5rem 0 .5rem}
.method{background:var(--surface-2);border-radius:12px;padding:1.25rem 1.4rem;
  margin:2.5rem 0;font-size:1rem;max-width:var(--measure)}
.method h2{border:0;padding:0;margin:0 0 .6rem;font-size:1.1rem;font-family:var(--sans);font-weight:700}
footer.site{border-top:1px solid var(--rule);margin-top:3rem;
  padding:1.5rem 0 2.5rem;font-family:var(--sans);font-size:.86rem;color:var(--ink-muted)}
footer.site nav{display:flex;gap:1.25rem;flex-wrap:wrap;margin-bottom:.75rem}
.totop{display:inline-block;margin-top:1rem}