/* AUSLEX M11 — unified, mobile-first public stylesheet */
:root{--navy:#142646;--navy-2:#1b3a5c;--teal:#087e82;--teal-d:#066468;--mint:#e4f4f1;--ink:#182943;--muted:#5d6e84;--line:#dde6ec;--paper:#f5f8fa;--white:#fff;--warn:#8a5a12;--warn-bg:#fff4df;
--serif:Charter,"Bitstream Charter","Iowan Old Style","Palatino Linotype",Georgia,"Noto Serif",serif;
--sans:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans KR","Noto Sans SC","Noto Sans Thai","Noto Sans Devanagari",sans-serif;
--r:12px;--gap:clamp(14px,3.5vw,24px)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:12px}
html,body{max-width:100%;overflow-x:hidden}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans)}
.entry,.dlg,.panel p,.ver p,.ex q,.kw{overflow-wrap:anywhere}
a{color:var(--teal-d)}a:hover{color:var(--navy)}
img{max-width:100%}button,input,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid #6fd0c3;outline-offset:2px;border-radius:4px}
.wrap{width:min(1140px,100% - 2*var(--gap));margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:8px 12px;z-index:99}.skip:focus{left:8px}
/* header */
header.site{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.bar{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;min-height:58px}
.brand{display:flex;flex-direction:column;text-decoration:none;line-height:1.05;min-width:0;overflow:hidden}
.brand-mark{font-weight:850;font-size:23px;letter-spacing:-.8px;color:var(--navy);white-space:nowrap}.brand-mark b{color:var(--teal)}
.brand-sub{font-size:11px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46vw}
.tools{display:flex;align-items:center;gap:6px;min-width:0}
.lang{position:relative;display:flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:999px;padding:0 11px 0 9px;height:40px;color:var(--navy);background:var(--white);font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap}
.lang:focus-within{outline:3px solid #6fd0c3;outline-offset:2px}
.lang select{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;font-size:16px}
.lang-code{display:none}
.menu-btn{display:flex;align-items:center;gap:4px;height:40px;padding:0 9px 0 13px;border:1px solid #a9d8d1;border-radius:999px;background:var(--mint);color:var(--navy);font-weight:700;font-size:14px;cursor:pointer;max-width:40vw;min-width:0}
.menu-label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.menu-btn[aria-expanded=true] svg{transform:rotate(180deg)}
nav.dict{display:none;flex-direction:column;padding:6px 0 12px}
nav.dict.open{display:flex}
nav.dict a{display:block;padding:12px 12px;border-radius:9px;text-decoration:none;color:var(--navy);font-weight:600}
nav.dict a:hover{background:var(--paper)}nav.dict a[aria-current=page]{background:var(--mint);color:var(--teal-d)}
@media(min-width:900px){.menu-btn{display:none}nav.dict{display:flex;flex-direction:row;flex-wrap:nowrap;gap:2px;padding:0 0 8px;overflow-x:auto}nav.dict a{padding:7px 12px;font-size:14px;white-space:nowrap;border-radius:999px}.brand-sub{max-width:none}}
/* hero */
.hero{background:linear-gradient(120deg,var(--navy) 0%,#14485a 100%);color:#fff;padding:clamp(26px,6vw,52px) 0 clamp(22px,5vw,40px)}
.hero h1{font:700 clamp(27px,5.6vw,46px)/1.12 var(--serif);margin:0 0 10px;letter-spacing:-.4px;max-width:20ch}
.hero p{margin:0 0 18px;color:#cfe3e7;max-width:62ch}
.hero .meta{font-size:13px;color:#a8d4d4;margin:12px 0 0}
form.search{display:flex;gap:6px;background:#fff;border-radius:var(--r);padding:5px;max-width:760px;box-shadow:0 6px 24px #04131f40}
form.search input{flex:1;min-width:0;border:0;padding:11px 10px;font-size:16px;outline:0;background:transparent;color:var(--ink)}
form.search button{border:0;background:var(--teal);color:#fff;border-radius:9px;padding:0 18px;font-weight:700;cursor:pointer;min-height:44px}
form.search button:hover{background:var(--teal-d)}
.hero-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:9px 15px;border-radius:10px;font-weight:700;text-decoration:none;border:1px solid transparent}
.btn-teal{background:#0a948e;color:#fff;border-color:#62d2c2}.btn-teal:hover{background:var(--teal-d);color:#fff}
.btn-ghost{background:transparent;color:var(--teal-d);border-color:#a9d8d1}.btn-ghost:hover{background:var(--mint)}
/* layout */
.page{display:grid;grid-template-columns:minmax(0,1fr);gap:var(--gap);padding:var(--gap) 0 48px}
.col,.side,.panel{min-width:0}
@media(min-width:960px){.page{grid-template-columns:minmax(0,1fr) 300px;align-items:start}.side{position:sticky;top:110px}}
.panel{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:clamp(16px,3.5vw,24px)}
.panel+.panel{margin-top:var(--gap)}
.panel h2{font:700 21px/1.25 var(--serif);margin:0 0 12px;color:var(--navy)}
.muted{color:var(--muted);font-size:14px}
/* A–Z strip: horizontal scroller on phones */
.az{display:flex;gap:4px;overflow-x:auto;scrollbar-width:thin;padding-bottom:4px;-webkit-overflow-scrolling:touch}
.az a{flex:0 0 auto;min-width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;text-decoration:none;font-weight:700;color:var(--navy);font-size:14px}
.az a[aria-current=true]{background:var(--teal);border-color:var(--teal);color:#fff}
.chips{display:flex;gap:6px;overflow-x:auto;padding:2px 0 6px;-webkit-overflow-scrolling:touch}
.chips a{flex:0 0 auto;padding:7px 12px;border-radius:999px;border:1px solid var(--line);text-decoration:none;color:var(--navy);font-size:14px;background:#fff;white-space:nowrap}
.chips a[aria-current=true]{background:var(--navy);color:#fff;border-color:var(--navy)}
.chips small{color:var(--muted);margin-left:4px}.chips a[aria-current=true] small{color:#c8d6e6}
@media(min-width:960px){.side .chips{flex-wrap:wrap;overflow:visible}}
/* dictionary entries — the signature element: printed-dictionary headwords */
.list-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 14px;margin-bottom:6px}
.entries{list-style:none;margin:0;padding:0}
.entry{padding:18px 0;border-top:1px solid var(--line)}.entry:first-child{border-top:0;padding-top:6px}
.hw{display:flex;align-items:center;flex-wrap:wrap;gap:4px 10px}
.hw h3,.hw h1{font:700 clamp(22px,4.6vw,27px)/1.15 var(--serif);margin:0;color:var(--navy);letter-spacing:-.2px}
.hw h1{font-size:clamp(34px,8vw,52px)}
.hw a{text-decoration:none;color:inherit}.hw a:hover{color:var(--teal-d)}
.pos{font:italic 15px var(--serif);color:var(--muted)}
.gloss{font-weight:700;color:var(--navy-2);margin:6px 0 2px;font-size:17px}
.def{margin:2px 0 0;color:#2a3b52}
.ex{display:flex;gap:8px;align-items:flex-start;background:var(--paper);border-left:3px solid #9fd8cf;border-radius:0 8px 8px 0;padding:9px 10px 9px 12px;margin-top:10px;font-size:15px}
.ex q{flex:1;font-style:italic;quotes:none}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--warn-bg);color:var(--warn);border:1px solid #f0d49c}
.badge-dated{background:#eef1f5;color:#4d5d72;border-color:#d6dde6}
.topic-tag{font-size:13px;color:var(--teal-d);text-decoration:none;background:var(--mint);padding:2px 9px;border-radius:999px}
.pager{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.pager a{min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--line);border-radius:10px;text-decoration:none;font-weight:600}
.pager .muted{text-align:center}
/* detail */
.detail .crumb{font-size:14px;margin:0 0 14px}
.detail dl{margin:16px 0 0}.detail dt{font-size:13px;font-weight:700;color:var(--muted);margin-top:16px}.detail dd{margin:4px 0 0}
.detail .gloss-big{font-size:22px;font-weight:700;color:var(--navy-2)}
.translations{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(140px,100%),1fr));gap:8px;margin:0;padding:0;list-style:none}
.translations li{border:1px solid var(--line);border-radius:9px;padding:8px 10px;font-size:14px}.translations b{display:block;font-size:12px;color:var(--muted);font-weight:600}
.related{display:flex;flex-wrap:wrap;gap:6px}.related a{padding:6px 11px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font:600 15px var(--serif)}
.note{font-size:13px;color:var(--muted);margin-top:14px}
/* sound button + live level animation */
.say{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:4px 11px;border:1px solid #b5e0d9;background:#ecf8f6;color:var(--teal-d);border-radius:999px;cursor:pointer;font-size:14px;font-weight:600;flex:0 0 auto}
.say:hover{background:#dbf2ee}.say-icon{width:38px;height:38px;padding:0;justify-content:center}
.sound-icon{display:inline-flex;align-items:flex-end;gap:2px;height:14px}
.sound-icon i{display:block;width:3px;height:6px;background:currentColor;border-radius:2px}
.sound-icon i:nth-child(2){height:11px}.sound-icon i:nth-child(3){height:8px}
.say.is-loading{opacity:.75}.say.is-loading .sound-icon i{animation:pulse 1s infinite ease-in-out}
.say.is-speaking{background:var(--teal);color:#fff;border-color:var(--teal)}
.say.is-speaking .sound-icon i{animation:level .7s infinite ease-in-out}.say.is-speaking .sound-icon i:nth-child(2){animation-delay:.15s}.say.is-speaking .sound-icon i:nth-child(3){animation-delay:.3s}
@keyframes level{0%,100%{height:4px}50%{height:14px}}@keyframes pulse{50%{opacity:.35}}
#auslex-audio-status{position:fixed;left:50%;bottom:calc(14px + env(safe-area-inset-bottom));transform:translateX(-50%);max-width:min(92vw,520px);background:var(--navy);color:#fff;padding:9px 14px;border-radius:10px;font-size:13px;z-index:60;box-shadow:0 6px 20px #0005;transition:opacity .3s}
#auslex-audio-status:empty{opacity:0;pointer-events:none}#auslex-audio-status[data-kind=error]{background:#8c2b2b}
/* home */
.grid-dict{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(230px,100%),1fr));gap:10px}
.grid-dict a{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink);background:#fff}
.grid-dict a:hover{border-color:var(--teal)}.grid-dict strong{display:block;color:var(--navy)}.grid-dict small{color:var(--muted)}
.featured{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(240px,100%),1fr));gap:0 22px}
/* learning page */
.tabs{display:flex;gap:6px;overflow-x:auto;margin-bottom:var(--gap)}
.tabs button{flex:0 0 auto;min-height:44px;padding:0 16px;border-radius:10px;border:1px solid var(--line);background:#fff;font-weight:700;color:var(--navy);cursor:pointer}
.tabs button[aria-selected=true]{background:var(--navy);color:#fff;border-color:var(--navy)}
.filter{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;font-size:16px;margin:4px 0 10px;background:#fff}
.chips button{flex:0 0 auto;padding:8px 13px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--navy);font-size:14px;cursor:pointer;white-space:nowrap}
.chips button[aria-pressed=true]{background:var(--teal);color:#fff;border-color:var(--teal)}
.scene h3{font:700 19px var(--serif);color:var(--navy);margin:20px 0 4px}
.dlg{padding:14px 0;border-top:1px solid var(--line)}.dlg .who{font-size:13px;font-weight:700;color:var(--muted)}
.versions{display:grid;gap:8px;margin-top:6px}
@media(min-width:720px){.versions{grid-template-columns:1fr 1fr}}
.ver{border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:#fbfdfd}
.ver.au{border-color:#a9d8d1;background:#f1faf8}
.ver .lbl{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px;font-weight:700;color:var(--muted);margin-bottom:4px}
.ver p{margin:0;font-size:16px}
.dlg .tr{margin:8px 0 0;font-size:15px}.dlg .kw{font-size:13px;color:var(--muted);margin:4px 0 0}
details.rule{border:1px solid var(--line);border-radius:10px;padding:0 14px;margin:10px 0;background:#fff}
details.rule summary{cursor:pointer;padding:13px 0;font-weight:700;color:var(--navy);list-style-position:outside}
details.rule[open] summary{border-bottom:1px solid var(--line);margin-bottom:8px}
.notice{border-left:3px solid #d9a441;background:var(--warn-bg);padding:12px 14px;border-radius:0 9px 9px 0;margin:10px 0}
[hidden]{display:none!important}
/* ads: reserved space, labelled, kept away from audio buttons */
.ad{margin:22px 0;padding-top:4px;min-height:120px;text-align:center}
.ad-label{display:block;font-size:11px;color:#8193a8;margin-bottom:4px;text-align:left}
.ad-side{min-height:280px}@media(max-width:959px){.ad-side{display:none}}
/* prose pages */
.prose{max-width:70ch}.prose h1{font:700 clamp(28px,6vw,40px)/1.15 var(--serif);color:var(--navy);margin:0 0 14px}.prose h2{font:700 21px var(--serif);color:var(--navy);margin:26px 0 8px}
footer.site-foot{border-top:1px solid var(--line);background:#fff;padding:24px 0 calc(28px + env(safe-area-inset-bottom));font-size:13px;color:var(--muted)}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 18px;margin-bottom:8px}.foot-links a{font-weight:600;font-size:14px}
.copy{margin:6px 0 0}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media print{header.site,footer.site-foot,.ad,.say,.side{display:none!important}body{background:#fff}}

/* phones */
@media(max-width:600px){.lang-full{display:none}.lang-code{display:inline}.brand-sub{display:none}.brand-mark{font-size:22px}
 .hero h1{font-size:28px}.panel{padding:16px 14px}.panel h2{font-size:19px}
 .az{margin-inline:-14px;padding-inline:14px;scroll-padding-inline:14px}.chips{margin-inline:-14px;padding-inline:14px}
 .tabs{margin-inline:calc(-1*var(--gap));padding-inline:var(--gap)}
 form.search button{padding:0 14px}.hero-actions .btn{width:100%;justify-content:center}
 .pager a{padding:0 10px}.pager .muted{font-size:13px}}
@media(max-width:360px){.menu-btn{max-width:34vw}.brand-mark{font-size:20px}}

/* M11-HF1: no sideways rows on phones */
html[lang=ko] body{word-break:keep-all}
.topic-select{display:none}
@media(max-width:600px){
 .az{display:grid;grid-template-columns:repeat(auto-fill,minmax(36px,1fr));gap:5px;overflow:visible;margin-inline:0;padding-inline:0}
 .az a{min-width:0;height:38px}.az a:first-child{grid-column:span 2}
 .topic-chips{display:none}
 .topic-select{display:flex;align-items:center;gap:10px;margin-top:12px;font-weight:700;color:var(--navy);font-size:15px}
 .topic-select select{flex:1;min-width:0;height:44px;border:1px solid var(--line);border-radius:10px;padding:0 10px;background:#fff;font-size:16px}
 .learn .chips{flex-wrap:wrap;overflow:visible;margin-inline:0;padding-inline:0}
 .tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));overflow:visible;margin-inline:0;padding-inline:0}
 .tabs button{padding:6px 4px;font-size:13px;line-height:1.25;white-space:normal}
}
@media(min-width:601px){.az{flex-wrap:wrap;overflow:visible}.topic-chips{flex-wrap:wrap;overflow:visible}.learn .chips{flex-wrap:wrap;overflow:visible}}
/* M21: example sentence translations */
.ex-body{flex:1;min-width:0}.ex-body q{display:block}
.ex-tr{display:block;font-style:normal;color:var(--muted);font-size:14px;margin-top:4px;line-height:1.5}

/* ===== M49 ad slots ===== */
.ad{margin:18px 0;text-align:center}
.ad-unit{position:relative;margin:0 auto 12px;max-width:100%}
.ad-unit img{display:block;max-width:100%;height:auto;margin:0 auto;border-radius:10px}
.ad-label{display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#7a8699;margin-bottom:4px;text-align:left}
.ad-leaderboard{max-width:970px;margin:12px auto 0;padding:0 16px}
.side .ad-sponsored,.side .ad-sidebar{margin-top:0}
.ad-placeholder{border:2px dashed #b9c4d4;border-radius:12px;padding:22px 12px;color:#6b778a;font-size:13px;background:#f6f8fb}
.ad-anchor{display:none}
@media (max-width:768px){
 .ad-anchor{display:block;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;box-shadow:0 -4px 16px rgba(20,38,70,.15);padding:6px 36px 6px 8px;padding-bottom:calc(6px + env(safe-area-inset-bottom,0px))}
 .ad-anchor .ad-unit{margin:0}
 .ad-anchor .ad-label{display:none}
 .ad-anchor img{max-height:60px}
 body:has(.ad-anchor){padding-bottom:76px}
}
.ad-popup{position:fixed;inset:0;z-index:80;background:rgba(10,20,40,.55);display:flex;align-items:center;justify-content:center;padding:16px}
.ad-popup[hidden]{display:none}
.ad-popup-card{position:relative;background:#fff;border-radius:14px;padding:16px;max-width:min(420px,100%);max-height:90vh;overflow:auto;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.ad-close{position:absolute;top:4px;right:6px;width:32px;height:32px;border:0;border-radius:50%;background:#eef2f7;color:#142646;font-size:20px;line-height:1;cursor:pointer}
@media (prefers-color-scheme:dark){.ad-anchor,.ad-popup-card{background:#14213a}.ad-close{background:#24365a;color:#fff}}

/* ===== M50 practice ===== */
.hero-sm{padding:26px 0 22px}.hero-sm h1{margin:.1em 0}.hero-sm .crumb a{color:inherit;opacity:.85}
.panel-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.pr-sec{margin:20px 0 8px;font-size:15px;color:#3b4a63}
.pr-types{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px}
.pr-types li>a,.pr-types li.pr-off{display:flex;justify-content:space-between;gap:8px;padding:11px 12px;border:1px solid #dde4ee;border-radius:10px;text-decoration:none;color:inherit;background:#fff}
.pr-types li>a:hover{border-color:#1b8f86}.pr-types span{color:#6b778a;font-size:13px;white-space:nowrap}.pr-types .pr-off{opacity:.55}
.pr-mini{list-style:none;margin:0;padding:0;font-size:14px;line-height:1.9}.pr-mini a[aria-current]{font-weight:700}
.pr-tips ul{margin:.3em 0 .6em 1.1em}
.pr-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px}.pr-count{font-weight:600}
.pr-filter{padding:6px 8px;border-radius:8px;border:1px solid #cfd8e6;font:inherit}
.pr-card{border:1px solid #dde4ee;border-radius:12px;padding:14px}.pr-card.is-done{border-color:#9bd3cd}
.pr-meta{font-size:12px;color:#6b778a;margin-bottom:8px}
.pr-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:10px 0}
.pr-btn{border:0;border-radius:9px;padding:9px 14px;font:inherit;font-weight:600;cursor:pointer;background:#1b8f86;color:#fff}
.pr-btn.gray{background:#e8edf4;color:#142646}
.pr-input{width:100%;box-sizing:border-box;padding:10px;border:1px solid #cfd8e6;border-radius:9px;font:inherit;font-size:16px}
.pr-prompt{font-weight:600}.pr-passage{background:#f5f8fb;border-left:3px solid #1b8f86;padding:10px 12px;border-radius:6px;line-height:1.7}
.pr-opts{display:grid;gap:6px}.pr-opt{display:block;padding:9px 11px;border:1px solid #dde4ee;border-radius:9px;cursor:pointer}
.pr-opt.opt-right{border-color:#1b8f86;background:#e8f6f4}.pr-opt.opt-wrong{border-color:#d64545;background:#fdecec}
.pr-ok{color:#11766e;font-weight:700}.pr-bad{color:#b42318;font-weight:700}
.pr-diff .w-ok{color:#11766e}.pr-diff .w-miss{color:#b42318;text-decoration:underline}
.pr-dict{margin-top:8px}.pr-dict .topic-tag{margin:2px 4px 2px 0;display:inline-block}
.pr-pool,.pr-picked{list-style:none;margin:8px 0;padding:0;display:grid;gap:6px}.pr-picked{border-top:1px dashed #cfd8e6;padding-top:8px}
.pr-chip{width:100%;text-align:left;border:1px solid #cfd8e6;background:#fff;border-radius:9px;padding:9px 11px;font:inherit;cursor:pointer}.pr-chip.on{border-color:#1b8f86;background:#e8f6f4}
.pr-nav{display:flex;justify-content:space-between;gap:8px;margin-top:12px}
.pr-timer{display:inline-block;font-variant-numeric:tabular-nums;background:#142646;color:#fff;border-radius:8px;padding:4px 10px;margin:6px 0}
.pr-chart{margin:8px 0}.pr-chart figcaption{font-weight:600;margin-bottom:4px}.pr-chart svg{max-width:100%;height:auto}
.pr-check{list-style:none;padding:0}.pr-note{background:#fff8e6;border-radius:8px;padding:8px 10px}
.pr-cta{display:inline-block;margin:6px 0 0}
@media (prefers-color-scheme:dark){.pr-types li>a,.pr-types li.pr-off,.pr-chip,.pr-opt,.pr-card{background:transparent;border-color:#33456a}.pr-passage{background:#172742}.pr-note{background:#3a3220}.pr-btn.gray{background:#24365a;color:#fff}}

/* ===== M51 SAT ===== */
.sat-guide{border:1px solid #dde4ee;border-radius:12px;padding:12px 14px;margin:0 0 14px}
.sat-guide h3{margin:.1em 0 .5em;font-size:16px}
.sat-fmt{width:100%;border-collapse:collapse;font-size:14px}.sat-fmt th{text-align:left;white-space:nowrap;padding:6px 10px 6px 0;vertical-align:top;color:#3b4a63}.sat-fmt td{padding:6px 0;border-bottom:1px solid #eef2f7}
@media (max-width:560px){.sat-fmt th,.sat-fmt td{display:block;padding:4px 0}.sat-fmt th{padding-top:8px}}
@media (prefers-color-scheme:dark){.sat-guide{border-color:#33456a}.sat-fmt td{border-color:#24365a}}

/* ===== M55 grammar rule cards ===== */
.gr-rule{font-size:17px;line-height:1.6;margin:.2em 0 .6em}
.gr-rule-tr{background:#f5f8fb;border-left:3px solid #1b8f86;padding:9px 12px;border-radius:6px;line-height:1.7}
.gr-ex p{margin:.45em 0;line-height:1.6}.gr-right b{color:#11766e}.gr-wrong b{color:#b42318}.gr-fix b{color:#3b4a63}
.gr-pager{flex-wrap:wrap}.gr-pager a{text-decoration:none;max-width:48%}
@media (max-width:560px){.gr-pager a{max-width:100%}}
@media (prefers-color-scheme:dark){.gr-rule-tr{background:#172742}}

/* ===== M56 SAT Reading and Writing practice ===== */
.pr-pre{white-space:pre-line}
.satp-dom{margin-top:18px}.satp-dom p.muted{margin:.2em 0 .6em}

/* ===== M57 SAT Math ===== */
.pr-spr{max-width:220px;font-variant-numeric:tabular-nums;letter-spacing:.04em}

/* ===== M58 SAT timed module ===== */
.mod-wrap{max-width:860px}.mod-h1{font-size:22px;margin:.2em 0}
.mod-bar{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:10px;background:#142646;color:#fff;border-radius:10px;padding:8px 12px;margin-bottom:12px}
.mod-timer{font-variant-numeric:tabular-nums;font-weight:700;font-size:18px}.mod-timer.mod-warn{color:#ffb4a8}
.mod-link{background:none;border:1px solid rgba(255,255,255,.5);color:#fff;border-radius:8px;padding:4px 10px;font:inherit;cursor:pointer}
.mod-qhead{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;border-bottom:1px solid #e1e7ef;padding-bottom:8px;margin-bottom:10px}
.mod-mark{font-size:14px;cursor:pointer}
.mod-foot{display:flex;justify-content:space-between;gap:8px;margin-top:14px;flex-wrap:wrap}
.mod-nav{border:1px solid #dde4ee;border-radius:12px;padding:10px;margin-top:12px}
.mod-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:6px}
.mod-cell{border:1px dashed #b9c4d4;background:#fff;border-radius:8px;padding:8px 0;font:inherit;font-weight:600;cursor:pointer}
.mod-cell.is-ans{border-style:solid;border-color:#1b8f86;background:#e8f6f4}.mod-cell.is-mark{color:#b45309}.mod-cell.is-cur{outline:2px solid #142646}
.mod-score{font-size:22px;font-weight:700;margin:.3em 0}
.mod-dom{width:100%;border-collapse:collapse;margin:8px 0 14px}.mod-dom caption{text-align:left;font-weight:700;margin-bottom:6px}
.mod-dom th{text-align:left;font-weight:600;padding:6px 8px 6px 0}.mod-dom td{padding:6px 4px;white-space:nowrap}
.mod-meter{display:inline-block;width:110px;height:8px;background:#e8edf4;border-radius:6px;overflow:hidden;vertical-align:middle}.mod-meter span{display:block;height:100%;background:#1b8f86}
.mod-rev{border:1px solid #dde4ee;border-radius:10px;padding:8px 12px;margin:8px 0}.mod-rev summary{cursor:pointer;font-weight:600}
.mod-rev.is-ok summary{color:#11766e}.mod-rev.is-bad summary{color:#b42318}
@media (prefers-color-scheme:dark){.mod-cell{background:transparent;border-color:#33456a;color:inherit}.mod-cell.is-ans{background:#173a38}.mod-rev,.mod-nav{border-color:#33456a}}

/* ===== M59 study guides ===== */
.gd-tabs{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 12px}.gd-tabs a{padding:7px 13px;border-radius:999px;border:1px solid #d4dbe6;text-decoration:none;color:inherit;font-size:14px}.gd-tabs a.on{background:#142646;color:#fff;border-color:#142646}
.gd-list{list-style:none;margin:0;padding:0}.gd-list li{padding:12px 0;border-bottom:1px solid #eef2f7}.gd-list li:last-child{border-bottom:0}.gd-list a{text-decoration:none;font-size:17px}.gd-list p{margin:.3em 0}
.gd-meta{font-size:13px;color:#6b778a}
.gd-article{font-size:17px;line-height:1.75}.gd-article h2{font-size:22px;margin:1.4em 0 .4em}.gd-article h3{font-size:18px;margin:1.1em 0 .3em}.gd-article ul,.gd-article ol{padding-left:1.3em}.gd-article li{margin:.25em 0}
.gd-lead{font-size:18px;color:#3b4a63}.gd-sum{background:#f5f8fb;border-left:3px solid #1b8f86;border-radius:6px;padding:10px 14px;margin:10px 0;font-size:15.5px;line-height:1.7}.gd-sum p{margin:.3em 0 0}
.gd-toc{border:1px solid #dde4ee;border-radius:10px;padding:10px 14px;margin:12px 0;font-size:15px}.gd-toc ol{margin:.4em 0 0}
@media (prefers-color-scheme:dark){.gd-sum{background:#172742}.gd-toc{border-color:#33456a}.gd-lead{color:#c9d3e1}.gd-list li{border-color:#24365a}}
.gd-article blockquote{margin:.6em 0;padding:8px 14px;border-left:3px solid #c9d3e1;background:#fafbfd;border-radius:6px;font-size:16px}
@media (prefers-color-scheme:dark){.gd-article blockquote{background:#16233b;border-color:#33456a}}