/* Ayurveda Siddhi PYQ — design system
   Brand: neem green (#0b6b52) from ayurvedasidhi.com, Cormorant Garamond + DM Sans from the shop.
   Desktop = sidebar dashboard. Mobile (<960px) = app layout: green app bar, bottom tabs, bottom sheets. */
:root{
  --brand:#0b6b52; --brand-2:#0e7d60; --brand-deep:#064433; --brand-ink:#05372a; --leaf:#1b9c85;
  --mint:#edf6ee; --mint-2:#dcefe3; --gold:#b98a1f; --gold-soft:#f8efd8;
  --bg:#f4f7f3; --surface:#ffffff; --surface-2:#f8faf7; --ink:#13241d; --muted:#5a6b63; --faint:#8a9a92; --line:#dfe7e1;
  --ok:#17834f; --ok-soft:#e1f3e8; --bad:#b4432d; --bad-soft:#fbe8e3; --warn:#b97a0c; --warn-soft:#fbf0d9;
  --easy:#1f8a55; --mod:#c4870f; --hard:#b4432d;
  --on-brand:#ffffff;
  --c-direct:#b3bfb8; --c-neg:#7fae9c; --c-stmt:#0b6b52; --c-match:#d29b1c;
  --shadow:0 1px 2px rgba(10,40,30,.06),0 6px 20px rgba(10,40,30,.06);
  --shadow-lg:0 20px 50px rgba(6,40,30,.18);
  --r:14px; --r-sm:10px;
  --f-display:"Cormorant Garamond","Iowan Old Style",Georgia,serif;
  --f-ui:"DM Sans","Segoe UI",system-ui,-apple-system,sans-serif;
  --f-deva:"Noto Sans Devanagari","Kohinoor Devanagari","Mangal",sans-serif;
  --f-mono:"DM Mono",ui-monospace,Menlo,monospace;
  --side:248px; --tabbar:64px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --brand:#3fbf96; --brand-2:#52cba3; --brand-deep:#0f4a3a; --brand-ink:#0b3a2e; --leaf:#5fd0b2;
  --mint:#15261f; --mint-2:#1b3229; --gold:#e1b94f; --gold-soft:#2d2717;
  --bg:#0c1411; --surface:#131e19; --surface-2:#18251f; --ink:#e4eee8; --muted:#9db0a6; --faint:#6f8279; --line:#24342c;
  --ok:#5fd08f; --ok-soft:#173225; --bad:#f08a74; --bad-soft:#3a1f19; --warn:#efc25b; --warn-soft:#33291a;
  --easy:#6fcf97; --mod:#efc25b; --hard:#f08a74; --on-brand:#06221a; --c-direct:#4a5852; --c-neg:#4f8a76; --c-stmt:#3fbf96; --c-match:#e1b94f;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.25); color-scheme:dark}}
:root[data-theme="dark"]{
  --brand:#3fbf96; --brand-2:#52cba3; --brand-deep:#0f4a3a; --brand-ink:#0b3a2e; --leaf:#5fd0b2;
  --mint:#15261f; --mint-2:#1b3229; --gold:#e1b94f; --gold-soft:#2d2717;
  --bg:#0c1411; --surface:#131e19; --surface-2:#18251f; --ink:#e4eee8; --muted:#9db0a6; --faint:#6f8279; --line:#24342c;
  --ok:#5fd08f; --ok-soft:#173225; --bad:#f08a74; --bad-soft:#3a1f19; --warn:#efc25b; --warn-soft:#33291a;
  --easy:#6fcf97; --mod:#efc25b; --hard:#f08a74; --on-brand:#06221a; --c-direct:#4a5852; --c-neg:#4f8a76; --c-stmt:#3fbf96; --c-match:#e1b94f;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 20px rgba(0,0,0,.25); color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:15.5px/1.55 var(--f-ui);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{margin:0;line-height:1.2;text-wrap:balance}
.display{font-family:var(--f-display);font-weight:700;letter-spacing:-.005em}
p{margin:0}
a{color:var(--brand);text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
img,svg{max-width:100%}
:focus-visible{outline:2.5px solid var(--brand);outline-offset:2px;border-radius:6px}
[hidden]{display:none!important}
.deva{font-family:var(--f-deva)}
.mono{font-family:var(--f-mono);font-size:.9em}
.muted{color:var(--muted)}.faint{color:var(--faint)}
.num{font-variant-numeric:tabular-nums}
.eyebrow{font:600 11.5px/1 var(--f-ui);letter-spacing:.1em;text-transform:uppercase;color:var(--brand)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---------- buttons & inputs ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:12px;border:1px solid transparent;background:var(--surface);color:var(--ink);font-weight:600;font-size:15px;cursor:pointer;text-decoration:none;white-space:nowrap;transition:background .15s,border-color .15s,transform .05s}
.btn:active{transform:translateY(1px)}
.btn.primary{background:var(--brand);color:var(--on-brand)}
.btn.primary:hover{background:var(--brand-2)}
.btn.gold{background:var(--gold);color:#fff}
:root[data-theme="dark"] .btn.gold{color:#1d1607}
.btn.ghost{background:transparent;border-color:var(--line)}
.btn.ghost:hover{background:var(--surface-2)}
.btn.soft{background:var(--mint);color:var(--brand)}
.btn.danger{background:var(--bad-soft);color:var(--bad)}
.btn.block{width:100%}
.btn.sm{min-height:36px;padding:0 12px;font-size:14px;border-radius:10px}
.btn.lg{min-height:52px;padding:0 24px;font-size:16px}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.iconbtn{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;border:0;background:transparent;color:inherit;cursor:pointer}
.iconbtn:hover{background:var(--surface-2)}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-weight:600;font-size:14px}
.input{width:100%;min-height:46px;padding:10px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);outline:none;transition:border-color .15s}
.input:focus{border-color:var(--brand)}
.input::placeholder{color:var(--faint)}
select.input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:36px}
.err-text{color:var(--bad);font-size:14px}
.help{font-size:13px;color:var(--muted)}

/* chips & segmented */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:0 12px;border-radius:99px;border:1.5px solid var(--line);background:var(--surface);font-size:14px;font-weight:500;cursor:pointer;user-select:none;transition:all .12s}
.chip .n{font:500 12px var(--f-mono);color:var(--faint)}
.chip:hover{border-color:var(--brand)}
.chip[aria-pressed="true"]{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.chip[aria-pressed="true"] .n{color:inherit;opacity:.75}
.chip.locked{opacity:.55}
.tag{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:99px;background:var(--surface-2);border:1px solid var(--line);font-size:12.5px;font-weight:500;color:var(--muted);white-space:nowrap}
.tag.easy{color:var(--easy);background:var(--ok-soft);border-color:transparent}
.tag.moderate{color:var(--mod);background:var(--warn-soft);border-color:transparent}
.tag.difficult{color:var(--hard);background:var(--bad-soft);border-color:transparent}
.tag.gold{color:var(--gold);background:var(--gold-soft);border-color:transparent}
.tag.brand{color:var(--brand);background:var(--mint);border-color:transparent}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:3px;gap:3px;flex-wrap:wrap}
.seg button{border:0;background:transparent;border-radius:9px;min-height:38px;padding:0 14px;font-weight:600;font-size:14px;cursor:pointer;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.switch{position:relative;width:46px;height:28px;flex:none}
.switch input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.switch span{position:absolute;inset:0;border-radius:99px;background:var(--line);transition:background .15s;pointer-events:none}
.switch span::after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .15s}
.switch input:checked+span{background:var(--brand)}
.switch input:checked+span::after{transform:translateX(18px)}

/* ---------- cards & layout primitives ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;min-width:0}
.card.pad-lg{padding:22px}
.card h3{font-size:17px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(min(100%,170px),1fr))}
.row{display:flex;align-items:center;gap:10px}
.row.wrap{flex-wrap:wrap}
.spread{display:flex;align-items:center;justify-content:space-between;gap:12px}
.stack{display:flex;flex-direction:column;gap:14px}
.stack.sm{gap:8px}
.divider{height:1px;background:var(--line);margin:14px 0}
.empty{text-align:center;padding:36px 16px;color:var(--muted)}
.empty .display{font-size:24px;color:var(--ink);margin-bottom:6px}

.stat{display:flex;flex-direction:column;gap:3px}
.stat b{font:700 26px/1.1 var(--f-ui);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat span{font-size:13px;color:var(--muted)}
.bar{height:8px;border-radius:99px;background:var(--surface-2);overflow:hidden;border:1px solid var(--line)}
.bar>i{display:block;height:100%;border-radius:99px;background:var(--brand)}
.stack-bar{display:flex;height:10px;border-radius:99px;overflow:hidden;background:var(--surface-2)}
.stack-bar>i{display:block;height:100%}

/* ring */
.ring{--v:0;--c:var(--brand);width:64px;height:64px;border-radius:50%;background:conic-gradient(var(--c) calc(var(--v)*1%),var(--surface-2) 0);display:grid;place-items:center;flex:none}
.ring>span{width:calc(100% - 12px);height:calc(100% - 12px);border-radius:50%;background:var(--surface);display:grid;place-items:center;font:700 15px var(--f-ui);font-variant-numeric:tabular-nums}
.ring.lg{width:112px;height:112px}.ring.lg>span{font-size:24px}

/* lists */
.list{display:flex;flex-direction:column}
.list>.li{display:flex;align-items:center;gap:12px;padding:12px 2px;border-top:1px solid var(--line);min-width:0}
.list>.li:first-child{border-top:0}
.li .grow{flex:1;min-width:0}
.li .t{font-weight:600;overflow:hidden;text-overflow:ellipsis}
.li .s{font-size:13px;color:var(--muted)}
.clickable{cursor:pointer}
.clickable:hover{background:var(--surface-2)}

/* lock overlay */
.locked-box{position:relative;overflow:hidden}
.locked-box>.blur{filter:blur(5px);opacity:.6;pointer-events:none;user-select:none}
.locked-box>.lock-cta{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:18px;background:linear-gradient(180deg,transparent,color-mix(in srgb,var(--surface) 85%,transparent) 40%)}
.premium-pill{display:inline-flex;align-items:center;gap:5px;background:var(--gold-soft);color:var(--gold);font-weight:700;font-size:12px;padding:4px 9px;border-radius:99px;letter-spacing:.02em}

/* ---------- app shell ---------- */
.shell{min-height:100vh}
.side{position:fixed;inset:0 auto 0 0;width:var(--side);background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:18px 14px;z-index:20}
.brandmark{display:flex;align-items:center;gap:10px;padding:4px 8px 18px;color:var(--ink)}
.brandmark img{width:38px;height:38px;border-radius:10px}
.brandmark b{font-family:var(--f-display);font-size:21px;line-height:1;display:block}
.brandmark small{font-size:11.5px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-weight:600}
.nav{display:flex;flex-direction:column;gap:2px;flex:1;overflow-y:auto}
.nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:11px;color:var(--muted);font-weight:600;font-size:14.5px}
.nav a:hover{background:var(--surface-2);color:var(--ink)}
.nav a.on{background:var(--mint);color:var(--brand)}
.nav .sep{height:1px;background:var(--line);margin:8px 10px}
.side-foot{border-top:1px solid var(--line);padding-top:12px;display:flex;flex-direction:column;gap:10px}
.upsell{background:linear-gradient(150deg,var(--brand-deep),var(--brand));color:#fff;border-radius:14px;padding:14px}
.upsell b{font-family:var(--f-display);font-size:19px;display:block}
.upsell p{font-size:13px;opacity:.85;margin:4px 0 10px}
.upsell .btn{background:#fff;color:var(--brand-deep);min-height:38px;font-size:14px;width:100%}
.me-mini{display:flex;align-items:center;gap:10px;padding:4px 6px;border-radius:12px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--mint);color:var(--brand);display:grid;place-items:center;font-weight:700;flex:none}
.main{margin-left:var(--side);min-width:0}
.topbar{position:sticky;top:0;z-index:15;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent}
.topbar .in{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:12px;min-height:64px;padding:0 28px}
.topbar h1{font-size:20px;font-weight:700;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page{max-width:1180px;margin:0 auto;padding:8px 28px 48px}
.page-head{display:flex;flex-direction:column;gap:6px;margin:6px 0 20px}
.page-head h2{font-family:var(--f-display);font-size:34px;font-weight:700}
.tabbar{display:none}
.appbar-back{display:none}

.app-foot{max-width:1180px;margin:0 auto;padding:6px 28px 28px;display:flex;flex-wrap:wrap;gap:4px 14px;justify-content:center;text-align:center;font-size:12.5px;color:var(--faint)}
.app-foot b{color:var(--muted);font-weight:600}

/* hero band used on home */
.hero-band{background:linear-gradient(140deg,var(--brand-deep) 0%,var(--brand) 70%,var(--leaf) 130%);color:#fff;border-radius:20px;padding:24px;position:relative;overflow:hidden}
.hero-band::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.14),transparent 65%)}
.hero-band h2{font-family:var(--f-display);font-size:32px;font-weight:700}
.hero-band p{opacity:.88}
.hero-band .btn.primary{background:#fff;color:var(--brand-deep)}
.hero-band .btn.ghost{color:#fff;border-color:rgba(255,255,255,.4)}

/* quick tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));gap:12px}
.tile{display:flex;flex-direction:column;gap:10px;padding:16px;border-radius:var(--r);border:1px solid var(--line);background:var(--surface);cursor:pointer;text-align:left;color:var(--ink);transition:border-color .15s,transform .1s}
.tile:hover{border-color:var(--brand);transform:translateY(-1px)}
.tile .ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--mint);color:var(--brand)}
.tile b{font-size:15.5px}
.tile span{font-size:13px;color:var(--muted)}
.tile.gold .ic{background:var(--gold-soft);color:var(--gold)}

/* subject cards */
.subj{display:flex;flex-direction:column;gap:10px;cursor:pointer;transition:border-color .15s}
.subj:hover{border-color:var(--brand)}
.subj .deva{font-size:13px;color:var(--muted)}
.subj .big{font:700 24px/1 var(--f-ui);font-variant-numeric:tabular-nums}

/* papers */
.paper{display:flex;flex-direction:column;gap:12px}
.paper .yr{font-family:var(--f-display);font-size:30px;font-weight:700;line-height:1}

/* tables */
.tbl-wrap{overflow-x:auto;margin:0 -2px}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
.tbl th{text-align:left;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
.tbl td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl td.r,.tbl th.r{text-align:right}

/* ---------- auth ---------- */
.auth{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr}
.auth-art{background:linear-gradient(155deg,var(--brand-deep),var(--brand) 60%,var(--leaf));color:#fff;padding:48px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.auth-art h1{font-family:var(--f-display);font-size:46px;font-weight:700;max-width:14ch}
.auth-art ul{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.auth-art li{display:flex;gap:10px;align-items:flex-start;opacity:.92}
.auth-art .leafbg{position:absolute;right:-80px;bottom:-80px;width:360px;opacity:.12}
.auth-form{display:grid;place-items:center;padding:32px 20px}
.auth-form form{width:100%;max-width:400px;display:flex;flex-direction:column;gap:16px}
.auth-form h2{font-family:var(--f-display);font-size:34px;font-weight:700}

/* ---------- quiz ---------- */
.quiz{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}
.qbar{position:sticky;top:0;z-index:15;background:var(--surface);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.qbar .in{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:10px;min-height:60px;padding:0 16px}
.qbar .ttl{flex:1;min-width:0}
.qbar .ttl b{display:block;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qbar .ttl span{font-size:12.5px;color:var(--muted)}
.timer{display:inline-flex;align-items:center;gap:6px;font:600 15px var(--f-mono);padding:6px 10px;border-radius:10px;background:var(--mint);color:var(--brand)}
.timer.low{background:var(--bad-soft);color:var(--bad)}
.qprog{height:3px;background:var(--line)}
.qprog>i{display:block;height:100%;background:var(--brand);transition:width .25s}
.qbody{flex:1;max-width:1180px;width:100%;margin:0 auto;padding:20px 16px 120px;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}
.qcard{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px;overflow:hidden}
.qmeta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-bottom:14px}
.qnum{font:700 13px var(--f-mono);color:var(--brand);background:var(--mint);padding:4px 9px;border-radius:8px}
.qtext{font-family:var(--f-ui),var(--f-deva);font-size:16.5px;line-height:1.7;user-select:none;-webkit-user-select:none}
.qtext p{margin:0 0 8px}
.qtext table{border-collapse:collapse;margin:10px 0;width:100%;font-size:14.5px;display:block;overflow-x:auto}
.qtext td,.qtext th{border:1px solid var(--line);padding:6px 8px;vertical-align:top;min-width:90px}
.qtext ol,.qtext ul{margin:4px 0 8px;padding-left:22px}
.opts{display:flex;flex-direction:column;gap:10px;margin-top:18px;user-select:none;-webkit-user-select:none}
.opt{display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;padding:13px 14px;border-radius:14px;border:1.5px solid var(--line);background:var(--surface);cursor:pointer;font-size:15.5px;line-height:1.5;transition:border-color .12s,background .12s}
.opt:hover{border-color:var(--brand)}
.opt .k{flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font:700 14px var(--f-mono);background:var(--surface-2);border:1px solid var(--line)}
.opt.sel{border-color:var(--brand);background:var(--mint)}
.opt.sel .k{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}
.opt.right{border-color:var(--ok);background:var(--ok-soft)}
.opt.right .k{background:var(--ok);color:#fff;border-color:var(--ok)}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.opt.wrong .k{background:var(--bad);color:#fff;border-color:var(--bad)}
.opt[disabled]{cursor:default}
.opt .t{flex:1;min-width:0;font-family:var(--f-ui),var(--f-deva)}
.reveal{margin-top:16px;border-radius:14px;padding:14px 16px;background:var(--surface-2);border:1px solid var(--line);display:flex;flex-direction:column;gap:6px;font-size:14.5px}
.reveal .verdict{font-weight:700;display:flex;align-items:center;gap:8px}
.reveal .verdict.ok{color:var(--ok)}.reveal .verdict.no{color:var(--bad)}
.watermark{position:absolute;inset:0;pointer-events:none;overflow:hidden;opacity:.06;font:600 13px var(--f-ui);color:var(--ink);display:flex;flex-wrap:wrap;align-content:flex-start;gap:46px 70px;padding:20px;transform:rotate(-18deg) scale(1.3);user-select:none}
.qfoot{position:fixed;left:0;right:0;bottom:0;z-index:16;background:var(--surface);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
.qfoot .in{max-width:1180px;margin:0 auto;display:flex;gap:10px;align-items:center;padding:10px 16px}
.qfoot .grow{flex:1}
.palette-side{position:sticky;top:84px}
.palette{display:grid;grid-template-columns:repeat(auto-fill,minmax(38px,1fr));gap:7px}
.pbtn{height:38px;border-radius:10px;border:1.5px solid var(--line);background:var(--surface);font:600 13px var(--f-mono);cursor:pointer;color:var(--muted)}
.pbtn.ans{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.pbtn.mark{background:var(--gold-soft);border-color:var(--gold);color:var(--gold)}
.pbtn.ans.mark{background:var(--brand);box-shadow:inset 0 -4px 0 var(--gold)}
.pbtn.right{background:var(--ok-soft);border-color:var(--ok);color:var(--ok)}
.pbtn.wrong{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}
.pbtn.cur{outline:2.5px solid var(--ink);outline-offset:1px}
.legend{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:12.5px;color:var(--muted);margin-top:12px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:4px;margin-right:5px;vertical-align:-2px;border:1.5px solid var(--line)}

/* result */
.score-hero{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:center}
.score-hero .big{font:700 46px/1 var(--f-ui);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.review-item{border:1px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden}
.review-item>summary{list-style:none;cursor:pointer;padding:14px 16px;display:flex;gap:12px;align-items:flex-start}
.review-item>summary::-webkit-details-marker{display:none}
.review-item .st{flex:none;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;font:700 13px var(--f-mono)}
.st.correct{background:var(--ok-soft);color:var(--ok)}.st.wrong{background:var(--bad-soft);color:var(--bad)}.st.skipped{background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}
.review-item .body{padding:0 16px 16px}
.snippet{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14.5px}

/* modal / sheet / toast */
.scrim{position:fixed;inset:0;z-index:50;background:rgba(5,20,15,.45);display:grid;place-items:center;padding:20px;animation:fade .15s ease}
.dialog{width:100%;max-width:460px;max-height:min(86vh,720px);overflow:auto;background:var(--surface);border-radius:20px;box-shadow:var(--shadow-lg);padding:22px;display:flex;flex-direction:column;gap:14px}
.dialog h3{font-family:var(--f-display);font-size:26px;font-weight:700}
.dialog .actions{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.toasts{position:fixed;z-index:60;left:50%;bottom:24px;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:min(92vw,420px)}
.toast{background:var(--ink);color:var(--bg);padding:11px 16px;border-radius:12px;font-size:14.5px;box-shadow:var(--shadow-lg);animation:rise .2s ease;pointer-events:auto}
.toast.bad{background:var(--bad);color:#fff}.toast.ok{background:var(--ok);color:#fff}
@keyframes fade{from{opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(8px)}}
.spinner{width:28px;height:28px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--brand);animation:spin .8s linear infinite;margin:40px auto}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,var(--surface-2),var(--line),var(--surface-2));background-size:200% 100%;animation:sk 1.2s infinite;border-radius:10px;height:16px}
@keyframes sk{to{background-position:-200% 0}}

/* charts */
.hbar{display:grid;grid-template-columns:minmax(0,190px) minmax(0,1fr) 46px;gap:10px;align-items:center;padding:6px 0}
.hbar .l{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hbar .v{font:500 13px var(--f-mono);text-align:right}
.heat td.c{text-align:center;font:500 12.5px var(--f-mono);border-radius:5px;min-width:30px}
.sbars .r{display:grid;grid-template-columns:44px 1fr;gap:10px;align-items:center;margin:5px 0}
.sbars .r>span{font:500 12.5px var(--f-mono);color:var(--muted)}
.sbars .stack-bar{height:20px;border-radius:6px}
.sbars .stack-bar>i{font:500 10.5px/20px var(--f-mono);color:#fff;text-shadow:0 0 3px rgba(0,0,0,.45);text-align:center;overflow:hidden;white-space:nowrap}
.dots{display:flex;gap:3px}.dots i{width:9px;height:9px;border-radius:50%;background:var(--surface-2);border:1px solid var(--line)}.dots i.on{background:var(--gold);border-color:var(--gold)}
.days{display:grid;grid-template-rows:repeat(7,12px);grid-auto-flow:column;grid-auto-columns:12px;gap:3px;overflow-x:auto}
.days i{border-radius:3px;background:var(--surface-2);border:1px solid var(--line)}
.days i.l1{background:color-mix(in srgb,var(--brand) 30%,var(--surface));border-color:transparent}
.days i.l2{background:color-mix(in srgb,var(--brand) 60%,var(--surface));border-color:transparent}
.days i.l3{background:var(--brand);border-color:transparent}

/* ---------- MOBILE APP THEME (< 960px) ---------- */
@media (max-width:959px){
  body{font-size:15px;background:var(--bg)}
  .side{display:none}
  .main{margin-left:0;padding-bottom:calc(var(--tabbar) + env(safe-area-inset-bottom,0px))}
  .topbar{background:var(--brand-deep);color:#fff;border:0;padding-top:env(safe-area-inset-top,0px);backdrop-filter:none}
  :root[data-theme="dark"] .topbar{background:var(--surface)}
  .topbar .in{min-height:56px;padding:0 max(12px,env(safe-area-inset-right,0px)) 0 max(12px,env(safe-area-inset-left,0px))}
  .topbar h1{font-size:18px}
  .topbar .iconbtn:hover{background:rgba(255,255,255,.12)}
  .appbar-back{display:inline-grid}
  .page{padding:14px max(14px,env(safe-area-inset-right,0px)) 28px max(14px,env(safe-area-inset-left,0px))}
  .app-foot{padding:4px 16px 20px;flex-direction:column;gap:2px}
  .page-head h2{font-size:28px}
  .page-head.m-hide{display:none}
  .card{border-radius:16px;padding:16px}
  .tabbar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--surface);border-top:1px solid var(--line);padding:0 max(6px,env(safe-area-inset-right,0px)) env(safe-area-inset-bottom,0px) max(6px,env(safe-area-inset-left,0px));height:calc(var(--tabbar) + env(safe-area-inset-bottom,0px));box-shadow:0 -6px 20px rgba(6,40,30,.06)}
  .tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--faint);font-size:11px;font-weight:600;letter-spacing:.01em}
  .tabbar a .pill{display:grid;place-items:center;width:52px;height:30px;border-radius:99px;transition:background .15s}
  .tabbar a.on{color:var(--brand)}
  .tabbar a.on .pill{background:var(--mint)}
  .hero-band{border-radius:0 0 26px 26px;margin:-14px calc(-1 * max(14px,env(safe-area-inset-left,0px))) 0;padding:18px 18px 26px}
  :root[data-theme="dark"] .hero-band{border-radius:0 0 26px 26px}
  .hero-band h2{font-size:28px}
  .tiles{grid-template-columns:1fr 1fr;gap:10px}
  .tile{padding:14px;gap:8px}
  .tile .ic{width:36px;height:36px}
  .hbar{grid-template-columns:minmax(0,120px) minmax(0,1fr) 40px}
  /* dialogs become bottom sheets */
  .scrim{place-items:end stretch;padding:0}
  .dialog{max-width:none;border-radius:22px 22px 0 0;max-height:88vh;padding:12px 18px calc(18px + env(safe-area-inset-bottom,0px));animation:sheet .22s ease}
  .dialog::before{content:"";align-self:center;width:42px;height:5px;border-radius:99px;background:var(--line);margin-bottom:4px}
  .dialog .actions .btn{flex:1}
  @keyframes sheet{from{transform:translateY(40px);opacity:.6}}
  .toasts{bottom:calc(var(--tabbar) + 16px + env(safe-area-inset-bottom,0px))}
  .auth{grid-template-columns:1fr}
  .auth-art{padding:calc(28px + env(safe-area-inset-top,0px)) 22px 30px;border-radius:0 0 28px 28px;min-height:auto}
  .auth-art h1{font-size:32px}
  .auth-art ul,.auth-art .foot{display:none}
  .auth-form{place-items:start center;padding:24px 18px 40px}
  .qbody{grid-template-columns:1fr;padding:12px 12px 130px}
  .palette-side{display:none}
  .qcard{border-radius:18px;padding:16px}
  .qtext{font-size:16px}
  .opt{padding:13px 12px;border-radius:14px}
  .qfoot .in{padding:10px max(12px,env(safe-area-inset-right,0px)) 10px max(12px,env(safe-area-inset-left,0px))}
  .qfoot .btn{min-height:48px}
  .score-hero{grid-template-columns:1fr;text-align:center;justify-items:center}
  .m-only{display:initial}
  .d-only{display:none!important}
  .g4{grid-template-columns:1fr 1fr;gap:10px}
  .g4 .card{padding:14px}
  .seg{display:flex;width:100%}
  .seg button{flex:1 1 auto;padding:0 10px}
  .seg.seg-2x2{display:grid;grid-template-columns:1fr 1fr}
  .qbar .ttl span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .m-scroll{display:flex!important;overflow-x:auto;scroll-snap-type:x mandatory;gap:10px;margin:0 calc(-1 * max(14px,env(safe-area-inset-left,0px)));padding:2px max(14px,env(safe-area-inset-left,0px)) 6px;scrollbar-width:none}
  .m-scroll::-webkit-scrollbar{display:none}
  .m-scroll>*{flex:0 0 78%;scroll-snap-align:start}
}
@media (min-width:960px){.m-only{display:none!important}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}