/* ============================================================
   GIANT PREP — SAT Cheat Code app
   Loaded after styles.css (tokens, .btn, .serif, .eyebrow).
   ============================================================ */
:root{
  --paper:#f6f1e7;--paper-2:#efe8da;--paper-ink:#1b1814;--paper-muted:#6d655a;--paper-line:#ddd3c1;
  --good:#2fd47a;--good-d:#1f9e59;--good-bg:rgba(47,212,122,.12);
  --bad:#ff4d6d;--bad-d:#d62f50;--bad-bg:rgba(255,77,109,.12);
  --appbar:64px;
}
html,body{height:100%}
body.app{overflow-x:hidden;background:radial-gradient(1200px 600px at 80% -10%,rgba(212,175,55,.10),transparent 60%),radial-gradient(800px 500px at -10% 110%,rgba(255,61,143,.07),transparent 60%),var(--bg)}
body.app::before{opacity:.035}
#app{min-height:100%;position:relative;z-index:1}
#fx{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:90}
.hide{display:none!important}
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase}

/* ---------- top bar ---------- */
.abar{position:sticky;top:0;z-index:40;height:var(--appbar);display:flex;align-items:center;gap:16px;padding:0 var(--gutter);
  background:rgba(6,6,6,.78);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.abar .brand .word{font-size:21px}
.abar .brand .mark{width:26px;height:26px}
.abar .sp{flex:1}
.pill{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--ink);white-space:nowrap}
.pill svg{width:16px;height:16px}
.pill.streak svg{color:#ff8a3d}
.pill.streak.cold svg{color:var(--muted)}
.pill.xp b{color:var(--gold);font-weight:500}
.pill.bump{animation:bump .5s var(--ease)}
@keyframes bump{30%{transform:scale(1.18)}}
.iconbtn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);color:var(--ink-2);transition:border-color .3s,color .3s,background .3s}
.iconbtn:hover{border-color:var(--line-gold);color:var(--ink);background:rgba(212,175,55,.06)}
.iconbtn svg{width:18px;height:18px}
@media (max-width:560px){.abar>.mono{display:none}.abar{gap:8px}.abar .brand .word{display:none}.pill{padding:0 10px;height:32px;font-size:11px}.pill.lvl{display:none}}

/* ---------- generic layout ---------- */
.view{width:min(1180px,100% - 2*var(--gutter));margin:0 auto;padding:36px 0 120px}
.view.narrow{width:min(720px,100% - 2*var(--gutter))}
.card{border:1px solid var(--line);border-radius:22px;background:linear-gradient(170deg,rgba(255,255,255,.045),rgba(255,255,255,.012));padding:28px}
.card.gold{border-color:var(--line-gold);background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015) 40%,rgba(212,175,55,.07))}
.h1{font-family:var(--serif);font-size:clamp(40px,6vw,72px);line-height:1.02;letter-spacing:-.02em}
.h2a{font-family:var(--serif);font-size:clamp(28px,3.4vw,42px);line-height:1.08;letter-spacing:-.015em}
.sub{color:var(--ink-2);font-size:17px;max-width:60ch}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn.block{width:100%;justify-content:center}
.btn.sm{padding:12px 18px;font-size:12px}
.btn[disabled]{opacity:.38;pointer-events:none;filter:grayscale(.4)}
.field input,.field select{width:100%;background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;color:var(--ink);font:inherit;font-size:16px;padding:16px 18px;outline:0;transition:border-color .3s,box-shadow .3s}
.field select{appearance:none}
.field input:focus,.field select:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(212,175,55,.14)}
.field label{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.toast{position:fixed;left:50%;top:84px;transform:translate(-50%,-20px);opacity:0;z-index:95;padding:14px 22px;border-radius:999px;background:#141210;border:1px solid var(--line-gold);color:var(--ink);font-size:14px;box-shadow:0 20px 60px -20px rgba(0,0,0,.9);transition:all .45s var(--ease);pointer-events:none;white-space:nowrap}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast b{color:var(--gold);font-weight:500}

/* ---------- lock + onboarding ---------- */
.lock{min-height:calc(100vh - var(--appbar));display:grid;place-items:center;padding:40px var(--gutter)}
.lock .card{max-width:520px;width:100%;text-align:center;padding:44px 36px}
.lock .seal{width:74px;height:74px;margin:0 auto 22px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line-gold);color:var(--gold);background:rgba(212,175,55,.06)}
.lock .seal svg{width:30px;height:30px}
.lock form{display:grid;gap:12px;margin-top:26px}
.lock .err{color:var(--bad);font-size:13px;min-height:18px}
.lock .alt{margin-top:22px;font-size:14px;color:var(--muted)}
.lock .alt a{color:var(--gold)}
.shake{animation:shake .5s cubic-bezier(.36,.07,.19,.97)}
@keyframes shake{10%,90%{transform:translateX(-2px)}20%,80%{transform:translateX(4px)}30%,50%,70%{transform:translateX(-8px)}40%,60%{transform:translateX(8px)}}

.onb{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(30px,5vw,70px);align-items:center;min-height:calc(100vh - var(--appbar) - 80px)}
.onb .form{display:grid;gap:16px;margin-top:30px;max-width:460px}
.onb .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stages{display:grid;gap:12px}
.stage{display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;padding:20px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.02)}
.stage .n{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-family:var(--serif);font-size:26px;border:1px solid var(--line-gold);color:var(--gold)}
.stage.e .n{color:#9be2b5;border-color:rgba(47,212,122,.35)}
.stage.h .n{color:var(--pink);border-color:rgba(255,61,143,.4)}
.stage h4{font-family:var(--serif);font-size:22px;font-weight:400}
.stage p{color:var(--ink-2);font-size:14px;margin-top:4px}
.stage .mono{color:var(--muted);font-size:10px;margin-top:8px;display:block}
@media (max-width:900px){.onb{grid-template-columns:1fr}.onb .two{grid-template-columns:1fr}}

/* ---------- hub ---------- */
.hub-top{display:grid;grid-template-columns:1.25fr .75fr;gap:16px}
.hello .eyebrow{margin-bottom:14px}
.hello .h1{font-size:clamp(36px,4.6vw,58px)}
.hello .actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:26px}
.act{border:1px solid var(--line);border-radius:16px;padding:18px 18px 16px;text-align:left;background:rgba(255,255,255,.02);transition:border-color .3s,transform .4s var(--ease),background .3s;display:flex;flex-direction:column;gap:6px}
.act:hover{border-color:var(--line-gold);transform:translateY(-3px);background:rgba(212,175,55,.05)}
.act b{font-family:var(--serif);font-size:22px;font-weight:400}
.act>span:not(.tag):not(.btn),.act>div>span:not(.tag){font-size:13px;color:var(--muted)}
.act .tag{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.act>div{display:flex;flex-direction:column;gap:6px;min-width:0}
.act.go{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;border-color:var(--line-gold);background:linear-gradient(120deg,rgba(212,175,55,.16),rgba(212,175,55,.04))}
.act.go b{font-size:30px}
.act.go .btn{pointer-events:none}
.act .cnt{display:inline-grid;place-items:center;min-width:22px;height:22px;border-radius:11px;background:var(--bad);color:#fff;font-family:var(--mono);font-size:11px;padding:0 6px;margin-left:6px}
.scorecard .k{font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.scorecard .big{font-family:var(--serif);font-size:84px;line-height:.9;letter-spacing:-.03em;margin-top:12px}
.scorecard .split{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px;border-top:1px solid var(--line);padding-top:14px}
.scorecard .split .v{font-family:var(--serif);font-size:30px}
.scorecard .note{font-size:12px;color:var(--muted);margin-top:12px}
.scorecard svg{width:100%;height:auto;margin-top:12px;overflow:visible}
.scorecard .tgt{color:var(--pink)}
.goals{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}
.goal{display:flex;align-items:center;gap:16px;padding:18px 20px}
.goal .ring{width:56px;height:56px;flex:none;position:relative}
.goal .ring svg{width:56px;height:56px;transform:rotate(-90deg)}
.goal .ring circle{fill:none;stroke-width:5}
.goal .ring .bg{stroke:rgba(255,255,255,.08)}
.goal .ring .fg{stroke:var(--gold);stroke-linecap:round;transition:stroke-dashoffset 1.2s var(--ease)}
.goal .ring.done .fg{stroke:var(--good)}
.goal .ring i{position:absolute;inset:0;display:grid;place-items:center;font-style:normal;font-family:var(--mono);font-size:12px}
.goal .v{font-family:var(--serif);font-size:30px;line-height:1}
.goal .k{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:6px}
.goal .flame{width:44px;height:44px;color:#ff8a3d;flex:none}
.goal .flame.cold{color:#5a554c}
.lvlbar{height:8px;border-radius:8px;background:rgba(255,255,255,.07);overflow:hidden;margin-top:10px;width:100%}
.lvlbar i{display:block;height:100%;background:linear-gradient(90deg,var(--gold-3),var(--gold),var(--gold-2));border-radius:8px;transition:width 1s var(--ease)}
@media (max-width:980px){.hub-top{grid-template-columns:1fr}.goals{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.hello .actions{grid-template-columns:1fr}.act.go{flex-direction:column;align-items:flex-start}.act.go .btn{width:100%;justify-content:center}}

.map{margin-top:46px}
.map .head{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:20px}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block}
.sect{margin-top:26px}
.sect h3{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:12px;display:flex;justify-content:space-between}
.sect h3 span{color:var(--muted)}
.doms{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.dom{border:1px solid var(--line);border-radius:18px;padding:18px;background:rgba(255,255,255,.015)}
.dom h4{font-family:var(--serif);font-size:22px;font-weight:400;display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:12px}
.dom h4 small{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}
.dom h4 .flag{color:var(--bad)}
.tiles{display:grid;gap:8px}
.tile{display:grid;grid-template-columns:1fr auto;gap:6px 12px;align-items:center;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:rgba(0,0,0,.25);text-align:left;transition:border-color .3s,background .3s,transform .3s var(--ease)}
.tile:hover{border-color:var(--line-gold);background:rgba(212,175,55,.05);transform:translateX(3px)}
.tile .nm{font-size:14px;color:var(--ink)}
.tile .lv{font-family:var(--mono);font-size:9px;letter-spacing:.18em;text-transform:uppercase;padding:4px 8px;border-radius:6px;white-space:nowrap}
.tile .bar{grid-column:1/-1;height:5px;border-radius:5px;background:rgba(255,255,255,.07);overflow:hidden}
.tile .bar i{display:block;height:100%;border-radius:5px;transition:width 1.2s var(--ease)}
.tile .debt{color:var(--bad);font-family:var(--mono);font-size:10px;margin-left:6px}
.m0 .lv{background:rgba(255,255,255,.06);color:var(--muted)} .m0 .bar i{background:#3a3631}
.m1 .lv{background:rgba(255,77,109,.14);color:#ff8fa3} .m1 .bar i{background:var(--bad)}
.m2 .lv{background:rgba(255,170,61,.14);color:#ffc37a} .m2 .bar i{background:#ffaa3d}
.m3 .lv{background:rgba(212,175,55,.16);color:var(--gold-2)} .m3 .bar i{background:var(--gold)}
.m4 .lv{background:rgba(47,212,122,.14);color:#8ff0b8} .m4 .bar i{background:linear-gradient(90deg,var(--good-d),var(--good))}
@media (max-width:900px){.doms{grid-template-columns:1fr}}

.lower{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:46px}
.statgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.statgrid>div{border:1px solid var(--line);border-radius:14px;padding:16px}
.statgrid .v{font-family:var(--serif);font-size:32px;line-height:1}
.statgrid .k{font-family:var(--mono);font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:8px}
.settings{display:grid;gap:10px;margin-top:16px}
.settings .r{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink-2)}
.settings .r:last-child{border-bottom:0}
.linkbtn{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.linkbtn.danger{color:var(--bad)}
.switch{width:46px;height:26px;border-radius:13px;background:rgba(255,255,255,.1);position:relative;transition:background .3s}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .3s var(--ease)}
.switch.on{background:var(--gold)}
.switch.on::after{transform:translateX(20px)}
@media (max-width:900px){.lower{grid-template-columns:1fr}.statgrid{grid-template-columns:repeat(3,1fr)}}

/* ---------- play ---------- */
.play{min-height:calc(100vh - var(--appbar));display:flex;flex-direction:column}
.pbar{display:flex;align-items:center;gap:14px;width:min(1180px,100% - 2*var(--gutter));margin:20px auto 0}
.qprog{flex:1;height:14px;border-radius:14px;background:rgba(255,255,255,.07);overflow:hidden;position:relative}
.qprog i{position:absolute;left:0;top:0;bottom:0;border-radius:14px;background:linear-gradient(90deg,var(--gold-3),var(--gold),var(--gold-2));transition:width .6s var(--ease)}
.qprog i::after{content:"";position:absolute;left:8px;right:8px;top:3px;height:3px;border-radius:3px;background:rgba(255,255,255,.35)}
.qprog.hot i{background:linear-gradient(90deg,#ff8a3d,#ffb347,#ffe08a)}
.combo{display:flex;align-items:center;gap:6px;font-family:var(--mono);font-size:13px;color:#ff8a3d;min-width:64px;justify-content:flex-end;opacity:0;transform:scale(.6);transition:all .4s var(--ease)}
.combo.on{opacity:1;transform:none}
.combo svg{width:20px;height:20px}
.combo.fire svg{animation:flick .5s ease-in-out infinite alternate}
@keyframes flick{to{transform:scale(1.15) rotate(-6deg)}}
.stagelbl{width:min(1180px,100% - 2*var(--gutter));margin:12px auto 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.stagelbl .mono{font-size:10px;color:var(--muted)}
.stagelbl .mono b{color:var(--gold);font-weight:500}
.qwrap{width:min(1180px,100% - 2*var(--gutter));margin:18px auto 0;flex:1;padding-bottom:150px}
.qmeta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.qchip{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;padding:6px 10px;border-radius:8px;border:1px solid var(--line);color:var(--ink-2)}
.qchip.d0{color:#8ff0b8;border-color:rgba(47,212,122,.3)}
.qchip.d1{color:var(--gold-2);border-color:var(--line-gold)}
.qchip.d2{color:#ff8fbf;border-color:rgba(255,61,143,.4)}
.qchip.rev{color:#fff;background:var(--bad-d);border-color:var(--bad-d)}
.qmeta .sp{flex:1}
.qmeta .timer{font-family:var(--mono);font-size:12px;color:var(--muted)}
.tool{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;padding:6px 10px;border-radius:8px;border:1px solid var(--line);color:var(--ink-2);display:inline-flex;gap:6px;align-items:center;transition:border-color .3s,color .3s}
.tool:hover{border-color:var(--line-gold);color:var(--ink)}
.tool svg{width:13px;height:13px}

/* the paper: real question content renders here */
.paper{background:var(--paper);color:var(--paper-ink);border-radius:20px;box-shadow:0 30px 80px -30px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.06);font-family:"Inter",system-ui,sans-serif;font-weight:400;font-size:17px;line-height:1.6;position:relative;transition:transform .5s var(--ease),box-shadow .5s}
.paper.split{display:grid;grid-template-columns:1fr 1fr}
.paper .pane{padding:30px 34px}
.paper.split .pane.l{border-right:1px solid var(--paper-line);max-height:calc(100vh - 290px);overflow:auto}
.paper .stim{margin-bottom:18px}
.paper .stem{font-weight:500;margin-bottom:18px}
.paper p{margin:0 0 .7em}
.paper p:last-child{margin-bottom:0}
.paper em,.paper .italic{font-style:italic}
.paper u{text-decoration:underline;text-underline-offset:3px}
.paper blockquote{margin:0 0 .8em;padding-left:16px;border-left:3px solid var(--paper-line)}
.paper ul,.paper ol{margin:.4em 0 .8em 1.3em}
.paper figure{margin:12px auto;text-align:center;max-width:100%;overflow-x:auto}
.paper svg{max-width:100%;height:auto}
.paper img{max-width:100%;height:auto;vertical-align:middle}
.paper .math-img{display:inline-block;vertical-align:middle;max-height:none}
.paper .math-container{display:inline}
.paper table{border-collapse:collapse;margin:10px auto;font-size:15px;max-width:100%}
.paper th,.paper td{border:1px solid #b9ad97;padding:6px 12px;text-align:center}
.paper th{background:var(--paper-2);font-weight:600}
.paper caption{font-weight:600;padding:6px 0;caption-side:top}
.paper .sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.paper math{font-family:"Cambria Math","STIX Two Math","Latin Modern Math",serif;font-size:1.08em}
.paper math[display="block"]{margin:.4em 0}
.paper .dap_copyright,.paper cite{font-size:13px;color:var(--paper-muted)}

.choices{display:grid;gap:10px}
.choice{display:grid;grid-template-columns:36px 1fr 32px;gap:14px;align-items:center;width:100%;text-align:left;padding:12px 12px 12px 14px;border:2px solid var(--paper-line);border-radius:14px;background:#fffdf8;color:var(--paper-ink);font:inherit;cursor:pointer;transition:border-color .2s,background .2s,transform .2s var(--ease),box-shadow .2s;position:relative}
.choice:hover{border-color:#b9ad97;transform:translateY(-1px)}
.choice .L{width:34px;height:34px;border-radius:50%;border:2px solid var(--paper-ink);display:grid;place-items:center;font-weight:600;font-size:14px;transition:all .2s}
.choice .c{min-width:0;overflow-x:auto}
.choice .c p{margin:0}
.choice .x{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;color:var(--paper-muted);opacity:.55;transition:opacity .2s,background .2s}
.choice .x:hover{opacity:1;background:var(--paper-2)}
.choice .x svg{width:16px;height:16px}
.choice.sel{border-color:#1e4bd8;background:#eef2ff;box-shadow:0 0 0 3px rgba(30,75,216,.12)}
.choice.sel .L{background:#1e4bd8;border-color:#1e4bd8;color:#fff}
.choice.out .c,.choice.out .L{opacity:.35}
.choice.out .c{text-decoration:line-through;text-decoration-thickness:2px}
.choice.ok{border-color:var(--good-d);background:#e9fbf1;box-shadow:0 0 0 3px rgba(47,212,122,.18)}
.choice.ok .L{background:var(--good-d);border-color:var(--good-d);color:#fff}
.choice.no{border-color:var(--bad-d);background:#fff0f2}
.choice.no .L{background:var(--bad-d);border-color:var(--bad-d);color:#fff}
.locked .choice{cursor:default}
.locked .choice:hover{transform:none}
.locked .choice .x{visibility:hidden}
.choice.pop{animation:pop .55s var(--ease)}
@keyframes pop{30%{transform:scale(1.035)}}
.spr{display:grid;gap:10px;max-width:360px}
.spr input{font:inherit;font-size:22px;padding:14px 16px;border-radius:12px;border:2px solid var(--paper-line);background:#fffdf8;color:var(--paper-ink);outline:0;font-family:var(--mono);letter-spacing:.04em}
.spr input:focus{border-color:#1e4bd8;box-shadow:0 0 0 3px rgba(30,75,216,.12)}
.spr .hint{font-size:13px;color:var(--paper-muted)}
.spr .prev{font-size:14px;color:var(--paper-ink);min-height:22px}
.spr.ok input{border-color:var(--good-d);background:#e9fbf1}
.spr.no input{border-color:var(--bad-d);background:#fff0f2}
.paper.wrong{animation:shake .55s cubic-bezier(.36,.07,.19,.97)}
.paper.right{box-shadow:0 30px 80px -30px rgba(0,0,0,.9),0 0 0 3px rgba(47,212,122,.5),0 0 60px -10px rgba(47,212,122,.35)}
.paper.skel .pane{min-height:320px;background:linear-gradient(100deg,transparent 40%,rgba(0,0,0,.04) 50%,transparent 60%) 0 0/300% 100%;animation:skel 1.2s linear infinite}
@keyframes skel{to{background-position:-150% 0}}
@media (max-width:900px){.paper.split{grid-template-columns:1fr}.paper.split .pane.l{border-right:0;border-bottom:1px solid var(--paper-line);max-height:none}.paper .pane{padding:22px 20px}.paper{font-size:16px}}

/* bottom action bar + feedback sheet */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:45;border-top:1px solid var(--line);background:rgba(8,8,8,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:background .35s,border-color .35s}
.dock .in{width:min(1180px,100% - 2*var(--gutter));margin:0 auto;padding:18px 0 calc(18px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:18px}
.dock .sp{flex:1}
.dock .fb{display:none;align-items:center;gap:16px;min-width:0}
.dock .fb .ic{width:58px;height:58px;border-radius:50%;display:grid;place-items:center;flex:none}
.dock .fb .ic svg{width:30px;height:30px}
.dock .fb .t{font-family:var(--serif);font-size:30px;line-height:1.05}
.dock .fb .s{font-size:14px;margin-top:4px;color:var(--ink-2)}
.dock .fb .s b{font-weight:600}
.dock.good{background:#0c2417;border-color:rgba(47,212,122,.4)}
.dock.good .fb{display:flex}
.dock.good .fb .ic{background:var(--good);color:#06210f;animation:popin .5s var(--ease)}
.dock.good .fb .t{color:#8ff0b8}
.dock.bad{background:#2a0c13;border-color:rgba(255,77,109,.45)}
.dock.bad .fb{display:flex}
.dock.bad .fb .ic{background:var(--bad);color:#2a0710;animation:popin .5s var(--ease)}
.dock.bad .fb .t{color:#ff9aad}
.dock.good .skip,.dock.bad .skip{display:none}
@keyframes popin{0%{transform:scale(0) rotate(-30deg)}70%{transform:scale(1.15)}100%{transform:none}}
.btn-go{color:#06210f;background:linear-gradient(135deg,#7df0ae,var(--good) 50%,var(--good-d));box-shadow:0 12px 40px -12px rgba(47,212,122,.7)}
.btn-go:hover{transform:translateY(-2px)}
.btn-bad{color:#2a0710;background:linear-gradient(135deg,#ffa0b3,var(--bad) 50%,var(--bad-d));box-shadow:0 12px 40px -12px rgba(255,77,109,.7)}
.btn-bad:hover{transform:translateY(-2px)}
.dock .skip{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding:10px 4px}
.dock .skip:hover{color:var(--ink)}
.dock .kbd{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.1em}
@media (max-width:620px){.dock .in{flex-wrap:wrap;gap:10px 12px}.dock .fb{flex:1 1 calc(100% - 70px);min-width:0}.dock .btn{flex:1 1 100%;justify-content:center}.dock .kbd{display:none}.dock .fb .ic{width:46px;height:46px}.dock .fb .t{font-size:24px}}

.why{margin-top:18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.02);overflow:hidden}
.why summary{list-style:none;cursor:pointer;padding:16px 20px;display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}
.why summary::-webkit-details-marker{display:none}
.why .body{padding:0 4px 4px}
.why .paper{box-shadow:none;border-radius:14px}
.why .paper .pane{padding:22px 24px;font-size:15px}
.again{margin-top:12px;display:flex;gap:10px;align-items:center;font-size:14px;color:var(--ink-2)}
.again svg{width:18px;height:18px;color:var(--bad);flex:none}

/* xp floater + mascot */
.floater{position:fixed;z-index:92;pointer-events:none;font-family:var(--serif);font-size:34px;color:var(--gold-2);text-shadow:0 4px 20px rgba(212,175,55,.6);animation:floatup 1.3s var(--ease) forwards}
.floater.big{font-size:52px}
@keyframes floatup{0%{opacity:0;transform:translateY(10px) scale(.6)}15%{opacity:1;transform:translateY(0) scale(1.1)}100%{opacity:0;transform:translateY(-90px) scale(1)}}
.mascot{position:relative;flex:none;width:66px;height:66px;margin:-18px 0 -4px;pointer-events:none;transition:transform .5s var(--ease)}
.mascot svg{width:100%;height:100%;overflow:visible}
.mascot .body{transform-origin:50% 90%}
.mascot.happy .body{animation:hop .7s var(--ease) 2}
@keyframes hop{0%,100%{transform:none}35%{transform:translateY(-26px) scaleY(1.05)}55%{transform:translateY(0) scaleY(.9) scaleX(1.08)}}
.mascot .eye-happy,.mascot .eye-sad,.mascot .tear,.mascot .cloud,.mascot .mouth-o,.mascot .mouth-sad{opacity:0}
.mascot.happy .eye-n{opacity:0}.mascot.happy .eye-happy,.mascot.happy .mouth-o{opacity:1}.mascot.happy .mouth-n{opacity:0}
.mascot.sad .eye-n,.mascot.sad .mouth-n{opacity:0}.mascot.sad .eye-sad,.mascot.sad .mouth-sad,.mascot.sad .cloud{opacity:1}
.mascot.sad .body{animation:droop 2.4s ease-in-out forwards}
@keyframes droop{20%{transform:scaleY(.86) translateY(4px)}100%{transform:scaleY(.9) translateY(3px)}}
.mascot.sad .tear{animation:tear 1s ease-in infinite}
.mascot.sad .tear.t2{animation-delay:.5s}
@keyframes tear{0%{opacity:0;transform:translateY(0)}20%{opacity:1}100%{opacity:0;transform:translateY(26px)}}
.mascot .cloud{transition:opacity .4s}
.mascot.sad .cloud{animation:cloudin .6s var(--ease)}
@keyframes cloudin{from{transform:translate(30px,-10px)}to{transform:none}}
.mascot.sad .drop{animation:rain .6s linear infinite}
.mascot .drop:nth-child(2){animation-delay:.2s}.mascot .drop:nth-child(3){animation-delay:.4s}
@keyframes rain{from{transform:translateY(0);opacity:1}to{transform:translateY(16px);opacity:0}}
@media (max-width:620px){.mascot{width:50px;height:50px;margin:-12px 0 -2px}}

/* stage interstitial + done */
.inter{min-height:calc(100vh - var(--appbar));display:grid;place-items:center;padding:40px var(--gutter);text-align:center}
.inter .wrapi{width:100%;max-width:640px}
.inter .badge{width:120px;height:120px;margin:0 auto 26px;position:relative}
.inter .badge svg{width:100%;height:100%;overflow:visible}
.inter .badge .spin{animation:spin 14s linear infinite;transform-origin:60px 60px}
@keyframes spin{to{transform:rotate(360deg)}}
.inter .h1{margin-bottom:16px}
.inter .sub{margin:0 auto 30px}
.inter .tally{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:0 0 30px}
.dot{width:16px;height:16px;border-radius:50%;background:rgba(255,255,255,.1);animation:dotin .5s var(--ease) backwards}
.dot.y{background:var(--good)}.dot.n{background:var(--bad)}
@keyframes dotin{from{transform:scale(0)}}
.done-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:10px 0 28px}
.done-stats>div{border:1px solid var(--line);border-radius:16px;padding:18px 12px;animation:dotin .6s var(--ease) backwards}
.done-stats>div:nth-child(2){animation-delay:.12s}.done-stats>div:nth-child(3){animation-delay:.24s}.done-stats>div:nth-child(4){animation-delay:.36s}
.done-stats .v{font-family:var(--serif);font-size:40px;line-height:1}
.done-stats .v.g{color:var(--gold)}
.done-stats .k{font-family:var(--mono);font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-top:8px}
.changes{display:grid;gap:8px;text-align:left;margin:0 auto 28px;max-width:460px}
.changes>div{display:flex;justify-content:space-between;gap:10px;padding:12px 16px;border:1px solid var(--line);border-radius:12px;font-size:14px}
.changes .up{color:var(--good)}.changes .dn{color:var(--bad)}
@media (max-width:620px){.done-stats{grid-template-columns:1fr 1fr}}

/* results (diagnostic) */
.res-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:16px;margin-top:30px;text-align:left;align-items:start}
.res-score .big{font-family:var(--serif);font-size:96px;line-height:.9;letter-spacing:-.03em}
.res-score .rng{font-family:var(--mono);font-size:12px;color:var(--muted);margin-top:10px;letter-spacing:.1em}
.res-list{display:grid;gap:8px}
.res-list .r{display:flex;justify-content:space-between;gap:12px;padding:10px 14px;border:1px solid var(--line);border-radius:12px;font-size:14px}
@media (max-width:900px){.res-grid{grid-template-columns:1fr}}

/* history */
.hist-tabs{display:flex;gap:8px;margin:20px 0}
.hist-tabs button{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;padding:10px 16px;border-radius:999px;border:1px solid var(--line);color:var(--ink-2)}
.hist-tabs button.on{border-color:var(--gold);color:var(--gold);background:rgba(212,175,55,.08)}
.hist{display:grid;gap:8px}
.hist .h{display:grid;width:100%;text-align:left;grid-template-columns:28px 1fr auto auto;gap:14px;align-items:center;padding:12px 16px;border:1px solid var(--line);border-radius:12px;font-size:14px}
.hist .h .ok{color:var(--good)}.hist .h .no{color:var(--bad)}
.hist .h small{color:var(--muted);font-family:var(--mono);font-size:10px;letter-spacing:.1em}
.hist .h svg{width:18px;height:18px}
@media (max-width:620px){.hist .h{grid-template-columns:24px 1fr auto}.hist .h small{display:none}}

/* drill picker modal */
.modal{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.72);backdrop-filter:blur(6px);display:grid;place-items:center;padding:20px;animation:fade .3s}
@keyframes fade{from{opacity:0}}
.modal .card{width:min(760px,100%);max-height:86vh;overflow:auto;background:#0d0c0b}
.modal .x{float:right}
.pickgrid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:18px}
@media (max-width:620px){.pickgrid{grid-template-columns:1fr}}

/* ============================================================
   v2 (2026-11-09): back / skip / session log, Elo chips,
   drill builder, suggestions, vocab
   ============================================================ */
.iconbtn[disabled]{opacity:.3;pointer-events:none}
.dock .skip{display:inline-flex;align-items:center;gap:6px}
.dock .skip svg{width:14px;height:14px}
.logbtn{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 12px;border-radius:999px;border:1px solid var(--line);color:var(--ink-2);font-family:var(--mono);font-size:12px;transition:border-color .3s,color .3s}
.logbtn:hover{border-color:var(--line-gold);color:var(--ink)}
.logbtn svg{width:16px;height:16px}
.trail{width:min(1180px,100% - 2*var(--gutter));margin:10px auto 0;display:flex;flex-wrap:wrap;gap:6px;min-height:12px}
.trail.done{justify-content:center;margin:0 auto 26px;width:auto}
.td{width:12px;height:12px;border-radius:50%;background:rgba(255,255,255,.12);transition:transform .2s;animation:dotin .4s var(--ease) backwards}
button.td:hover{transform:scale(1.4)}
.td.y{background:var(--good)}.td.n{background:var(--bad)}.td.s{background:#6d675e}
.td.now{background:transparent;box-shadow:inset 0 0 0 2px var(--gold);animation:nowp 1.6s ease-in-out infinite}
@keyframes nowp{50%{box-shadow:inset 0 0 0 2px var(--gold),0 0 0 4px rgba(212,175,55,.18)}}
.qchip.th{color:#cbb9ff;border-color:rgba(160,130,255,.3)}
.qchip.gp{color:#ffc6df;border-color:rgba(255,61,143,.45);background:rgba(255,61,143,.08)}
.eup{color:var(--good)}.edn{color:var(--bad)}
.dock.good .eup{color:#8ff0b8}.dock.bad .edn{color:#ff9aad}

/* session log drawer */
.logd{position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.55);animation:fade .25s}
.logd .lin{position:absolute;top:0;right:0;bottom:0;width:min(420px,100%);background:#0d0c0b;border-left:1px solid var(--line-gold);padding:22px 20px;overflow:auto;animation:slidein .35s var(--ease)}
@keyframes slidein{from{transform:translateX(40px);opacity:0}}
.lhead{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px}
.lsum{font-size:10px;color:var(--muted);margin-top:10px}
.lrows{display:grid;gap:6px}
.lr{display:grid;grid-template-columns:24px 22px 1fr auto auto;gap:10px;align-items:center;width:100%;text-align:left;padding:10px 12px;border:1px solid var(--line);border-radius:12px;font-size:13px;transition:border-color .2s,background .2s}
button.lr:hover{border-color:var(--line-gold);background:rgba(212,175,55,.05)}
.lr .n{font-family:var(--mono);font-size:10px;color:var(--muted)}
.lr .ic svg{width:16px;height:16px}
.lr.ok .ic{color:var(--good)}.lr.no .ic{color:var(--bad)}.lr.sk .ic{color:var(--muted)}
.lr .nm{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lr .e,.lr small{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.06em}
.lr.now{border-style:dashed;border-color:var(--line-gold);color:var(--gold)}
.lfoot{font-size:12px;color:var(--muted);margin-top:16px}

/* review sheet (back button) */
.rsheet{position:fixed;inset:0;z-index:72;background:rgba(6,6,6,.94);backdrop-filter:blur(8px);overflow:auto;animation:fade .25s}
.rsheet .rin{width:min(1000px,100% - 2*var(--gutter));margin:0 auto;padding:22px 0 60px}
.rtop{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px;position:sticky;top:0;padding:10px 0;background:rgba(6,6,6,.9);z-index:2}
.rtop .sp{flex:1}
.rtop .mono{font-size:10px;color:var(--muted)}
.rs{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;padding:5px 9px;border-radius:7px}
.rs.ok{color:#06210f;background:var(--good)}.rs.no{color:#fff;background:var(--bad-d)}.rs.sk{color:var(--ink);background:#4a4540}
.rsheet .choice{cursor:default}.rsheet .choice:hover{transform:none}.rsheet .choice .x{visibility:hidden}
.rnote{font-size:10px;color:var(--muted);margin-top:14px}

/* hub additions */
.act.resume{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between;gap:16px;border-color:rgba(255,61,143,.45);background:linear-gradient(120deg,rgba(255,61,143,.12),rgba(255,61,143,.02))}
.act.resume .tag{color:var(--pink)}
.act.resume .btn{pointer-events:none}
.suggest{margin-top:16px}
.shead{margin-bottom:12px}
.sgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.act.sug b{font-size:20px}
@media (max-width:980px){.sgrid{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.sgrid{grid-template-columns:1fr}.act.resume{flex-direction:column;align-items:flex-start}}

/* drill builder */
.modal .card.builder{width:min(880px,100%)}
.bnote{font-size:13px;color:var(--muted);margin:10px 0 6px}
.brow{display:grid;grid-template-columns:130px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.bl{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);padding-top:9px}
.bc{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.bchip{font-size:13px;padding:7px 12px;border-radius:999px;border:1px solid var(--line);color:var(--ink-2);background:rgba(255,255,255,.02);transition:border-color .2s,color .2s,background .2s,transform .2s var(--ease)}
.bchip:hover{border-color:var(--line-gold);color:var(--ink)}
.bchip.on{border-color:var(--gold);color:#120f08;background:linear-gradient(135deg,var(--gold-2),var(--gold));font-weight:500}
.bchip:active{transform:scale(.95)}
.brange{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--muted);margin-left:6px}
.brange input{width:64px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:8px;color:var(--ink);font:inherit;font-size:14px;padding:6px 8px;outline:0}
.brange input:focus{border-color:var(--gold)}
.bfoot{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:18px;position:sticky;bottom:-28px;background:#0d0c0b;padding-bottom:4px}
.bcount{font-family:var(--serif);font-size:40px;line-height:1;color:var(--gold-2)}
.bt{flex:1;font-size:10px;color:var(--muted);min-width:140px}
@media (max-width:620px){.brow{grid-template-columns:1fr;gap:6px}.bl{padding-top:0}.bfoot .btn{width:100%;justify-content:center}}

/* vocab */
.velo{margin-top:20px;display:grid;gap:16px}
.velo .big{font-family:var(--serif);font-size:96px;line-height:.9;letter-spacing:-.03em;margin:10px 0 8px;background:linear-gradient(180deg,var(--gold-2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.vspark{width:100%;height:60px}
.vtrack{position:relative;height:10px;border-radius:10px;background:rgba(255,255,255,.07);margin:6px 0 22px}
.vtrack i{position:absolute;left:0;top:0;bottom:0;border-radius:10px;background:linear-gradient(90deg,var(--gold-3),var(--gold))}
.vtrack b{position:absolute;top:50%;width:20px;height:20px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 4px rgba(255,61,143,.25);transform:translate(-50%,-50%)}
.vtrack span{position:absolute;top:16px;transform:translateX(-50%);font-family:var(--mono);font-size:9px;color:var(--muted)}
.vnote{font-size:13px;color:var(--muted)}
.vacts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.vacts .act.go b{font-size:28px}
.vcount{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.vacts .act.go .vcount .bchip,.vacts .act.go .btn{pointer-events:auto}
.vacts .act.go{cursor:default}
.vacts .act.go:hover{transform:none}
.vstats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:16px 0}
.vstats>div{border:1px solid var(--line);border-radius:14px;padding:16px}
.vstats .v{font-family:var(--serif);font-size:32px;line-height:1}
.vstats .k{font-family:var(--mono);font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-top:8px}
.vplace{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:26px 0 14px}
@media (max-width:620px){.vacts,.vplace{grid-template-columns:1fr}.vstats{grid-template-columns:1fr 1fr}.velo .big{font-size:72px}}
.vplay .qwrap{max-width:760px}
.vcard .pane{padding:34px 36px}
.vprompt{font-size:10px;color:var(--paper-muted);margin-bottom:12px}
.vdef{font-size:17px;color:var(--paper-ink)}
.vdef.big{font-family:var(--serif);font-size:30px;line-height:1.2;margin-bottom:16px}
.vword{font-family:var(--serif);font-size:54px;line-height:1;letter-spacing:-.01em;margin:4px 0 20px;color:var(--paper-ink)}
.vword.sm{font-size:30px;margin:0 0 6px;color:var(--ink)}
.vpos{font-size:10px;color:var(--paper-muted);letter-spacing:.16em}
.vsent{font-size:16px;color:var(--paper-muted);margin-bottom:20px;font-style:italic}
.vsent.big{font-family:var(--serif);font-style:normal;font-size:26px;line-height:1.35;color:var(--paper-ink)}
.vblank{display:inline-block;min-width:90px;border-bottom:2px solid var(--paper-ink);color:transparent}
.vfill{font-style:normal;color:var(--gold);font-weight:600}
.vcard .vfill,.flash .vfill{color:#8a6d1f}
.vtype{display:flex;gap:12px;align-items:center}
.vtype input{flex:1;min-width:0;font:inherit;font-size:24px;padding:14px 16px;border-radius:12px;border:2px solid var(--paper-line);background:#fffdf8;color:var(--paper-ink);outline:0;font-family:var(--serif)}
.vtype input:focus{border-color:#1e4bd8;box-shadow:0 0 0 3px rgba(30,75,216,.12)}
.vtype.ok input{border-color:var(--good-d);background:#e9fbf1}.vtype.no input{border-color:var(--bad-d);background:#fff0f2}
.vtype .linkbtn{color:#8a6d1f}
.vhint{font-size:13px;color:var(--paper-muted);margin-top:10px;letter-spacing:.2em;min-height:18px;text-transform:none}
.vexplain{margin-top:18px;border:1px solid var(--line);border-radius:18px;padding:20px 22px;background:rgba(255,255,255,.02)}
.vexplain .vdef{color:var(--ink);margin-bottom:8px}
.vexplain .vsent{color:var(--ink-2);margin-bottom:8px}
.vexplain .vpos{color:var(--muted)}
.vsyn{font-size:10px;color:var(--muted)}
.vcard .vsyn,.flash .vsyn{color:var(--paper-muted)}
.flash{perspective:1400px;cursor:pointer;height:340px}
.flash .fi{position:relative;width:100%;height:100%;transition:transform .6s var(--ease);transform-style:preserve-3d}
.flash.flipped .fi{transform:rotateY(180deg)}
.flash .ff,.flash .fb2{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;background:var(--paper);color:var(--paper-ink);border-radius:20px;box-shadow:0 30px 80px -30px rgba(0,0,0,.9);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:30px}
.flash .fb2{transform:rotateY(180deg)}
.flash .fb2 .vdef{font-family:var(--serif);font-size:28px;line-height:1.25;margin-bottom:16px}
.vtap{font-size:10px;color:var(--paper-muted);margin-top:24px}
.flashbtns{display:flex;gap:10px}
@media (max-width:620px){.flashbtns{flex:1 1 100%}.flashbtns .btn{flex:1;justify-content:center}.vword{font-size:42px}.vdef.big{font-size:24px}.vsent.big{font-size:21px}.vcard .pane{padding:24px 20px}}

@media (prefers-reduced-motion:reduce){.mascot .body,.dot,.td,.done-stats div,.flash .fi{animation:none!important;transition:none!important}}

/* ============================================================
   v3 (2026-11-09): word search, free edition, tutor videos, math sizing
   ============================================================ */
/* inline fractions in questions: full size, not the shrunken "compact" style */
.paper mfrac{math-style:normal}
.qsearch{display:flex;align-items:center;gap:10px;margin-top:12px;padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.02)}
.qsearch label{font-size:10px;color:var(--gold);white-space:nowrap}
.qsearch input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:var(--ink);font:inherit;font-size:15px;padding:6px 4px}
.qsearch:focus-within{border-color:var(--gold)}
@media (max-width:620px){.qsearch{flex-wrap:wrap}.qsearch label{width:100%}}
.bq{flex:1 1 280px;min-width:0;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:10px;color:var(--ink);font:inherit;font-size:15px;padding:9px 12px;outline:0}
.bq:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(212,175,55,.14)}
.bqh{font-size:12px;color:var(--muted);flex:1 1 100%}
.act.locked{opacity:.8;border-style:dashed}
.act.locked .tag{display:inline-flex;align-items:center;gap:6px}
.act.locked .tag svg{width:12px;height:12px}
.upsell{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:16px;transition:transform .4s var(--ease),border-color .3s}
.upsell:hover{transform:translateY(-3px)}
.upsell p{color:var(--ink-2);font-size:15px;margin-top:10px;max-width:60ch}
.upsell .btn{pointer-events:none;flex:none}
@media (max-width:760px){.upsell{flex-direction:column;align-items:flex-start}}
.vidbtn{display:flex;align-items:center;gap:14px;width:100%;margin-top:18px;padding:14px 18px;border-radius:16px;border:1px solid rgba(255,61,143,.45);background:linear-gradient(120deg,rgba(255,61,143,.14),rgba(255,61,143,.03));text-align:left;transition:transform .3s var(--ease),border-color .3s}
.vidbtn:hover{transform:translateY(-2px);border-color:var(--pink)}
.vidbtn .pl{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--pink);color:#fff;flex:none}
.vidbtn .pl svg{width:18px;height:18px;margin-left:2px}
.vidbtn b{display:block;font-weight:500;color:var(--ink)}
.vidbtn small{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.vmodal .card{width:min(960px,100%)}
.vframe{position:relative;margin-top:14px;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#000}
.vframe iframe,.vframe video{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ============================================================
   v4 (2026-11-09): report a question, ask Rick
   ============================================================ */
.qchip.rep{color:#ffd6a0;border-color:rgba(255,170,61,.45)}
.qmeta button.tool{background:transparent}
.qacts{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.qa{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;border:1px solid var(--line);color:var(--ink-2);font-size:13px;background:rgba(255,255,255,.02);transition:border-color .2s,color .2s}
.qa:hover{border-color:var(--line-gold);color:var(--ink)}
.qa svg{width:15px;height:15px}
.qa.help{border-color:rgba(212,175,55,.45);color:var(--gold-2)}
.repcard{width:min(560px,100%)}
.repreasons{display:grid;gap:8px;margin-top:14px}
.reprow{display:flex;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:12px;cursor:pointer;font-size:15px}
.reprow:has(input:checked){border-color:var(--gold);background:rgba(212,175,55,.08)}
.reprow input{accent-color:#d4af37;width:18px;height:18px}
.repnote{display:block;margin:16px 0 8px;font-size:13px;color:var(--muted)}
#repNote{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;color:var(--ink);font:inherit;font-size:15px;padding:12px 14px;outline:0;resize:vertical}
#repNote:focus{border-color:var(--gold)}

/* v5 (2026-11-09): Giant rating (chess-style) on the hub */
.ratingrow{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding-bottom:16px;margin-bottom:16px;border-bottom:1px solid var(--line)}
.ratingrow>div{min-width:0}
.big.rt{font-variant-numeric:tabular-nums}
.rsub{font-size:12px;color:var(--muted);margin-top:8px}
.rspark{width:46%;max-width:180px;height:56px;flex:none}

/* v6 (2026-11-09): uploaded tests */
.packs{margin-top:16px}
.act.pk{gap:10px}
.pkgo{display:flex;flex-direction:column;gap:6px;text-align:left;width:100%}
.pkgo b{font-family:var(--serif);font-size:20px;font-weight:400}
.pkgo span:not(.tag){font-size:13px;color:var(--muted)}
.pkdel{align-self:flex-start;font-size:10px}
.upstate{margin-top:14px;font-size:14px;color:var(--ink-2);min-height:20px;display:flex;gap:10px;align-items:center}
.upstate .spin{width:16px;height:16px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--gold);animation:spin 1s linear infinite;flex:none}
.field input[type=file]{padding:12px}

/* v7 (2026-11-14): vocab pronunciation, tiers, new-words drill, archaic toggle */
.vpron{display:flex;align-items:center;gap:10px;margin:-8px 0 16px;font-family:var(--mono);font-size:14px;letter-spacing:.06em;color:var(--paper-muted)}
.vexplain .vpron{margin:4px 0 10px;color:var(--muted)}
.flash .vpron{justify-content:center;margin:6px 0 10px}
.say{width:34px;height:34px;border-radius:50%;display:inline-grid;place-items:center;border:1px solid currentColor;color:inherit;opacity:.8;transition:opacity .2s,transform .2s;background:transparent;cursor:pointer}
.say:hover{opacity:1;transform:scale(1.06)}
.say svg{width:16px;height:16px}
.vword.sm2{font-size:30px;margin:0}
.qchip.tier{letter-spacing:.12em}
.qchip.t-core{color:#8ff0b8;border-color:rgba(47,212,122,.3)}
.qchip.t-stretch{color:var(--gold-2);border-color:var(--line-gold)}
.qchip.t-rare{color:var(--muted);border-color:var(--line)}
.qchip.t-archaic{color:#ff8fbf;border-color:rgba(255,61,143,.45)}
.vcard .qchip.t-rare,.vcard .qchip.t-core{background:transparent}
.vround{margin:0 auto 22px;max-width:520px;text-align:left}
.vmix{font-size:10px;color:var(--muted);text-align:center;margin-bottom:10px}
.vlist{display:grid;gap:6px}
.vrow{display:grid;grid-template-columns:20px 1fr auto auto;gap:10px;align-items:center;padding:8px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px}
.vrow svg{width:15px;height:15px}.vrow .ok{color:var(--good)}.vrow .no{color:var(--bad)}
.vrow small{font-family:var(--mono);font-size:10px;color:var(--muted)}
.vacts .act.vnew{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between;gap:16px;cursor:default}
.vacts .act.vnew:hover{transform:none}
.vacts .act.vnew .bchip,.vacts .act.vnew .btn{pointer-events:auto}
@media (max-width:620px){.vacts .act.vnew{flex-direction:column;align-items:flex-start}}
.vsettings{display:grid;gap:6px;margin:6px 0 16px;padding:14px 16px;border:1px solid var(--line);border-radius:14px}
.vtog{display:flex;gap:10px;align-items:center;font-size:15px;cursor:pointer}
.vtog input{accent-color:#d4af37;width:18px;height:18px}

/* v8 (2026-11-14): clipped uploaded questions, unverified answers, self-graded items */
.paper figure.clip{margin:0 0 14px;text-align:left}
.paper figure.clip img{width:100%;max-width:900px;height:auto;border-radius:10px;border:1px solid var(--paper-line);background:#fff}
.paper .cliphint{font-size:13px;color:var(--paper-muted);margin:0 0 10px}
.paper:has(figure.clip) .choices{grid-template-columns:repeat(4,minmax(0,1fr))}
.paper:has(figure.clip) .choice{grid-template-columns:1fr;justify-items:center;padding:12px}
.paper:has(figure.clip) .choice .x{display:none}
.qchip.unv{color:#ffc6df;border-color:rgba(255,61,143,.4)}
.pkkey{font-size:11px !important;color:var(--pink) !important;opacity:.85}
.unvnote{display:flex;gap:10px;align-items:flex-start;margin-top:16px;padding:12px 14px;border:1px solid rgba(255,61,143,.35);border-radius:12px;font-size:14px;color:var(--ink-2);background:rgba(255,61,143,.06)}
.unvnote svg{width:16px;height:16px;color:var(--pink);flex:none;margin-top:3px}
.dock.ask{background:#1e1a10;border-color:var(--line-gold)}
.dock.ask .fb{display:flex}
.dock.ask .fb .ic{background:var(--gold);color:#1b1407}
.dock.ask .fb .t{color:var(--gold-2)}
.dock.ask .skip{display:none}
@media (max-width:620px){.paper:has(figure.clip) .choices{grid-template-columns:repeat(2,minmax(0,1fr))}}