/* ============================================================
   TOTO-REX — mobile app design system
   Derived from the Study Corner website: deep emerald grounds,
   brass/gold + teal + magenta accents, Cormorant + EB Garamond.
   Fully fluid: everything scales to the device viewport.
   ============================================================ */
:root{
  --khaki:#0E2926; --navy:#0B1B28; --night:#091B19;
  --card:#16332E; --card-2:#1A3B33; --card-3:#12302A;
  --ink:#F3E9D2; --ink-soft:#CFC3A6; --muted:#9DAFA2; --faint:#71867B;
  --brass:#C9A24B; --gold:#E8C870; --peacock:#34B2CE; --magenta:#DD5499; --mustard:#E3A92E;
  --rose-bg:#23122A; --serenity:#0E3540; --emerald-deep:#0E3B2E;
  --line:rgba(201,162,75,.22); --line-2:rgba(201,162,75,.11); --line-3:rgba(232,200,112,.30);
  --display:"Cormorant Garamond",Georgia,serif;
  --body:"EB Garamond",Georgia,serif;
  --tab-h:64px; --bar-h:54px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--body);background:var(--khaki);color:var(--ink);
  font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;
  overflow:hidden;
  background-image:
    radial-gradient(620px 380px at 88% -6%,rgba(52,178,206,.13),transparent 60%),
    radial-gradient(560px 380px at -8% 8%,rgba(221,84,153,.10),transparent 60%),
    radial-gradient(760px 540px at 50% 118%,rgba(201,162,75,.11),transparent 60%);
}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.06;letter-spacing:.004em}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
img{display:block;max-width:100%}
::-webkit-scrollbar{width:0;height:0}

/* ---------- APP SHELL ---------- */
.app{
  display:flex;flex-direction:column;height:100%;width:100%;
  position:relative;overflow:hidden;
}
.appbar{
  flex:0 0 auto;display:flex;align-items:center;gap:11px;
  padding:calc(env(safe-area-inset-top,0px) + 12px) 18px 12px;
  background:rgba(9,27,25,.82);backdrop-filter:blur(12px) saturate(140%);
  border-bottom:1px solid var(--line);position:relative;z-index:20;
}
.appbar .ava{width:34px;height:34px;border-radius:50%;border:1px solid var(--brass);object-fit:cover;object-position:50% 38%;flex:0 0 auto}
.appbar .wm{display:flex;flex-direction:column;min-width:0;flex:1}
.appbar .wm .t{font-family:var(--display);font-size:20px;font-weight:600;line-height:1;letter-spacing:.01em}
.appbar .wm .s{font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--brass);font-weight:600;margin-top:3px}
.appbar .act{display:flex;align-items:center;gap:7px;flex:0 0 auto}
.iconbtn{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink-soft);transition:.18s}
.iconbtn:active{transform:scale(.92);background:var(--brass);color:var(--night)}
.iconbtn svg{width:17px;height:17px}
.streakpill{display:flex;align-items:center;gap:5px;border:1px solid var(--line-3);border-radius:30px;padding:6px 11px 6px 9px;color:var(--gold);font-size:13px;font-weight:600}
.streakpill svg{width:14px;height:14px}
.courier-btn{width:auto;gap:6px;padding:0 13px 0 11px;border-color:transparent;background:rgba(232,200,112,.13);color:var(--gold)}
.courier-btn .cb-label{font-size:12.5px;font-weight:600;letter-spacing:.02em}
.courier-btn:active{background:var(--brass);color:var(--night)}
@media (max-width:430px){.courier-btn .cb-label{display:none}.courier-btn{width:36px;padding:0}}

/* ---------- SCROLL AREA / SCREENS ---------- */
.scroll{flex:1 1 auto;overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.screen{display:none;padding:20px 18px calc(var(--tab-h) + env(safe-area-inset-bottom,0px) + 26px)}
.screen.on{display:block}

/* ---------- shared bits ---------- */
.eyebrow{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--brass);font-weight:600}
.screen-head{margin:2px 0 16px}
.screen-head .eyebrow{display:block;margin-bottom:5px}
.screen-head h2{font-size:30px;font-weight:600}
.screen-head p{color:var(--ink-soft);font-size:15px;font-style:italic;margin-top:4px}
.divider{height:1px;background:var(--line-2);margin:22px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px}
.muted{color:var(--muted)}
.gold{color:var(--gold)}
.serif-it{font-family:var(--display);font-style:italic}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  border-radius:9px;padding:13px 18px;transition:.16s;line-height:1}
.btn:active{transform:scale(.97)}
.btn-em{background:var(--brass);color:#10231F}
.btn-em:active{background:var(--gold)}
.btn-ghost{border:1px solid var(--brass);color:var(--ink)}
.btn-block{width:100%}
.btn svg{width:16px;height:16px}

/* ---------- TODAY ---------- */
.hello{margin-bottom:18px}
.hello .hi{font-family:var(--display);font-size:27px;font-weight:600}
.hello .hi em{font-style:italic;color:var(--gold)}
.hello .date{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass);margin-top:3px}

.streakrow{display:flex;gap:10px;margin-bottom:18px}
.founder{display:flex;align-items:center;gap:12px;margin:0 0 18px;padding:12px 15px;border-radius:14px;
  background:linear-gradient(180deg,rgba(232,200,112,.14),rgba(232,200,112,.05));border:1px solid var(--line-3);cursor:pointer;transition:.18s}
.founder:active{transform:scale(.99);background:rgba(232,200,112,.18)}
.founder-seal{flex:0 0 auto;width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px;
  background:var(--card-2);border:1px solid var(--line-3)}
.founder-x{display:flex;flex-direction:column;min-width:0;gap:2px}
.founder-x b{font-family:var(--display);font-size:16.5px;font-weight:600;color:var(--gold);line-height:1.15}
.founder-x span{font-size:12.5px;color:var(--ink-soft);line-height:1.4}
.statbox{flex:1;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:13px 14px;text-align:center}
.statbox .n{font-family:var(--display);font-size:26px;font-weight:600;color:var(--gold);line-height:1}
.statbox .l{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:6px}

/* Word of the day card */
.wotd{position:relative;background:
    radial-gradient(360px 200px at 84% -10%,rgba(52,178,206,.16),transparent 65%),
    var(--card);
  border:1px solid var(--line);border-radius:16px;padding:22px 20px 20px;overflow:hidden}
.wotd .tag{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px}
.wotd .tag .l{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brass);font-weight:600}
.wotd .tag .c{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--peacock)}
.wotd .term{font-family:var(--display);font-size:clamp(34px,11vw,46px);font-weight:600;color:var(--gold);line-height:1}
.wotd .phon{font-style:italic;color:var(--peacock);font-size:15px;margin-top:7px}
.wotd .pos{font-style:italic;color:var(--muted);font-size:14px;margin-bottom:12px}
.wotd .def{font-size:16px;color:var(--ink);line-height:1.55}
.wotd .note{font-style:italic;font-size:15px;color:var(--ink-soft);margin-top:14px;padding-left:14px;border-left:3px solid var(--peacock)}
.wotd .src{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);margin-top:14px}

/* generic section title within a screen */
.secline{display:flex;align-items:baseline;justify-content:space-between;margin:26px 0 12px}
.secline h3{font-family:var(--display);font-size:21px;font-weight:600}
.secline .more{font-size:12.5px;letter-spacing:.04em;color:var(--gold);text-transform:uppercase;font-weight:600}

/* lesson banner */
.lesson{display:flex;align-items:center;gap:14px;background:
    linear-gradient(180deg,rgba(232,200,112,.07),transparent),var(--card-2);
  border:1px solid var(--line-3);border-radius:15px;padding:16px 16px}
.lesson .ring{flex:0 0 auto;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:conic-gradient(var(--gold) var(--p,40%),rgba(255,255,255,.08) 0);position:relative}
.lesson .ring::after{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--card-2)}
.lesson .ring svg{position:relative;z-index:1;width:18px;height:18px;color:var(--gold)}
.lesson .lx{flex:1;min-width:0}
.lesson .lx .k{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass);font-weight:600}
.lesson .lx .h{font-family:var(--display);font-size:19px;font-weight:600;line-height:1.1;margin-top:2px}
.lesson .lx .m{font-size:13px;color:var(--muted);margin-top:3px}
.lesson .go{flex:0 0 auto;width:38px;height:38px;border-radius:50%;background:var(--brass);color:var(--night);display:flex;align-items:center;justify-content:center}
.lesson .go svg{width:16px;height:16px}

/* quiz */
.quiz{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:18px 17px}
.quiz .q{font-family:var(--display);font-size:19px;font-weight:600;line-height:1.2;margin-bottom:14px}
.quiz .opts{display:flex;flex-direction:column;gap:9px}
.opt{display:flex;align-items:center;gap:11px;text-align:left;border:1px solid var(--line);border-radius:11px;padding:13px 14px;font-size:15px;color:var(--ink);transition:.16s;background:var(--card-3)}
.opt .mk{flex:0 0 auto;width:21px;height:21px;border-radius:50%;border:1.5px solid var(--faint);display:flex;align-items:center;justify-content:center;font-size:12px}
.opt:active{transform:scale(.99)}
.opt.correct{border-color:var(--peacock);background:rgba(52,178,206,.12)}
.opt.correct .mk{border-color:var(--peacock);background:var(--peacock);color:var(--night)}
.opt.wrong{border-color:var(--magenta);background:rgba(221,84,153,.10)}
.opt.wrong .mk{border-color:var(--magenta);background:var(--magenta);color:#fff}
.quiz .fb{font-style:italic;font-size:14px;color:var(--ink-soft);margin-top:13px;min-height:1px}

/* ---------- BRIEFING ---------- */
.chiprow{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin:0 -2px 16px;scrollbar-width:none}
.chiprow::-webkit-scrollbar{display:none}
.fchip{flex:0 0 auto;font-size:13px;font-weight:600;letter-spacing:.03em;border:1px solid var(--line);border-radius:30px;padding:9px 15px;color:var(--ink-soft);transition:.16s;white-space:nowrap}
.fchip.on{background:var(--brass);color:var(--night);border-color:var(--brass)}
.brief-item{border-bottom:1px solid var(--line-2);padding:17px 2px}
.brief-item:first-child{padding-top:2px}
.brief-item .src{font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--brass);margin-bottom:6px;display:flex;gap:8px;align-items:center}
.brief-item .ttl{font-family:var(--display);font-size:21px;font-weight:600;line-height:1.18;color:var(--ink)}
.brief-item .ttl em{font-style:italic;color:var(--gold)}
.brief-item .dek{font-size:14.5px;color:var(--ink-soft);line-height:1.5;margin-top:7px}
.brief-item .read{display:inline-block;margin-top:10px;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--gold);border-bottom:1px solid var(--brass);padding-bottom:2px;cursor:pointer}
.brief-item .read:hover{color:var(--ink)}
.sponsor-tag{font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--night);background:var(--mustard);border-radius:3px;padding:2px 6px;font-weight:700}
.brief-item.sponsored{background:rgba(227,169,46,.05);border:1px solid var(--line-3);border-radius:13px;padding:16px 15px;margin:6px 0}

/* event card */
.eventcard{display:flex;gap:14px;align-items:flex-start;padding:15px 2px;border-bottom:1px solid var(--line-2)}
.eventcard .when{flex:0 0 58px;text-align:center}
.eventcard .when .mo{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--brass)}
.eventcard .when .dy{font-family:var(--display);font-size:26px;font-weight:600;color:var(--gold);line-height:1}
.eventcard .ev{flex:1}
.eventcard .ev .n{font-family:var(--display);font-size:18px;font-weight:600;line-height:1.15}
.eventcard .ev .m{font-size:13px;color:var(--muted);margin-top:3px}
.eventcard .free{font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--peacock);border:1px solid rgba(52,178,206,.4);border-radius:3px;padding:2px 6px;margin-top:6px;display:inline-block}

/* ---------- LEARN ---------- */
.pathcard{display:block;background:var(--card);border:1px solid var(--line);border-radius:15px;padding:17px 16px;margin-bottom:12px;position:relative;overflow:hidden}
.pathcard .lvl{position:absolute;top:14px;right:14px;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--gold);border:1px solid var(--brass);border-radius:4px;padding:3px 8px;font-weight:600}
.pathcard .pk{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--peacock);font-weight:600}
.pathcard .ph{font-family:var(--display);font-size:22px;font-weight:600;line-height:1.1;margin:5px 0 3px;max-width:84%}
.pathcard .pd{font-size:13.5px;color:var(--ink-soft);line-height:1.45;max-width:90%}
.pathcard .prog{display:flex;align-items:center;gap:10px;margin-top:14px}
.bar{flex:1;height:6px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brass),var(--gold));border-radius:6px}
.pathcard .pct{font-size:12px;color:var(--muted);flex:0 0 auto}
.pathcard.locked .ph,.pathcard.locked .pd{opacity:.7}
.lockchip{display:inline-flex;align-items:center;gap:5px;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--mustard);font-weight:700;margin-top:12px}
.lockchip svg{width:12px;height:12px}

.cert{background:
    radial-gradient(300px 160px at 90% 0,rgba(232,200,112,.14),transparent 60%),var(--serenity);
  border:1px solid var(--line-3);border-radius:16px;padding:18px 17px;margin-top:6px}
.cert .ck{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--peacock);font-weight:600}
.cert h3{font-family:var(--display);font-size:21px;font-weight:600;margin:6px 0 5px}
.cert p{font-size:13.5px;color:var(--ink-soft);line-height:1.45}

.teams{background:
    radial-gradient(320px 180px at 10% 0,rgba(201,162,75,.16),transparent 62%),var(--emerald-deep);
  border:1px solid var(--line-3);border-radius:16px;padding:20px 18px;margin-top:14px}
.teams .ek{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);font-weight:600}
.teams h3{font-family:var(--display);font-size:23px;font-weight:600;margin:6px 0 7px;line-height:1.08}
.teams p{font-size:14px;color:var(--ink-soft);line-height:1.5;margin-bottom:15px}

/* learn tracks (areas) */
.larea{margin:0 0 14px;border-radius:16px;padding:15px 14px 17px;background:var(--card);border:1px solid var(--line-2)}
.larea + .larea{margin-top:14px}
.larea:nth-child(4n+1){background:color-mix(in srgb,var(--peacock) 6%,var(--card))}
.larea:nth-child(4n+2){background:color-mix(in srgb,var(--brass) 7%,var(--card))}
.larea:nth-child(4n+3){background:color-mix(in srgb,var(--emerald-deep) 42%,var(--card))}
.larea:nth-child(4n){background:color-mix(in srgb,var(--magenta) 5%,var(--card))}
.larea-head{display:flex;gap:13px;align-items:flex-start;margin:0 0 6px}
.larea-glyph{flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--card-3);border:1px solid var(--line-3);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-size:23px;line-height:1;color:var(--gold)}
.larea-hx{flex:1;min-width:0;padding-top:1px}
.larea-k{font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--brass);font-weight:700}
.larea-hx h3{font-family:var(--display);font-size:21px;font-weight:600;line-height:1.08;margin:3px 0 4px}
.larea-hx p{font-size:13px;color:var(--ink-soft);line-height:1.45}
.larea-sub{font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:700;margin:16px 0 9px}
.lang-note{font-size:11.5px;color:var(--faint);line-height:1.5;margin:-4px 2px 4px;font-style:italic}
/* policy sheets (privacy/cookies/terms) */
.policy-body{font-size:14px;color:var(--ink-soft);line-height:1.6;padding-bottom:8px}
.policy-body .pol-lead{font-size:15px;color:var(--ink);background:var(--card-2);border:1px solid var(--line-2);border-radius:12px;padding:13px 15px;margin-bottom:6px}
.policy-body h4{font-family:var(--display);font-size:17px;font-weight:600;color:var(--gold);margin:18px 0 5px}
.policy-body p{margin:0 0 9px}
.policy-body ul{list-style:none;margin:0 0 9px;padding:0}
.policy-body li{position:relative;padding-left:16px;margin-bottom:5px}
.policy-body li::before{content:"";position:absolute;left:2px;top:9px;width:5px;height:5px;border-radius:50%;background:var(--brass)}
.policy-body b{color:var(--ink);font-weight:600}
.policy-body a{color:var(--gold);border-bottom:1px solid var(--brass)}
.policy-body .pol-foot{margin-top:16px;padding-top:12px;border-top:1px solid var(--line-2);font-style:italic;color:var(--muted);font-size:13px}

/* study paths & credentials */
.cred-card{display:flex;align-items:center;gap:12px;background:var(--card-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:9px;color:inherit}
.cred-card:active{background:var(--card-3)}
.cred-x{flex:1;min-width:0;display:flex;flex-direction:column}
.cred-top{display:flex;align-items:center;gap:8px}
.cred-name{font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.25}
.cred-free{flex:0 0 auto;font-size:9px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--night);background:var(--gold);border-radius:3px;padding:2px 6px}
.cred-src{font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--brass);font-weight:600;margin-top:3px}
.cred-desc{font-size:12.5px;color:var(--ink-soft);line-height:1.45;margin-top:4px}
.cred-go{flex:0 0 auto;font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--gold);font-weight:700;align-self:flex-start;margin-top:2px;white-space:nowrap}
/* AI toolbox */
.toolgrp{margin:0 0 18px}
.toolgrp-h{font-family:var(--display);font-size:18px;font-weight:600;color:var(--ink);margin-bottom:3px}
.toolgrp-intro{font-size:12.5px;color:var(--muted);line-height:1.45;margin-bottom:10px}
.toolgrp-items{display:flex;flex-direction:column;gap:7px}
.tool-item{display:flex;align-items:center;gap:11px;background:var(--card);border:1px solid var(--line-2);border-radius:10px;padding:10px 13px;color:inherit}
.tool-item:active{background:var(--card-3)}
.tool-name{flex:0 0 auto;font-size:13.5px;font-weight:600;color:var(--ink)}
.tool-desc{flex:1;min-width:0;font-size:12.5px;color:var(--muted);line-height:1.35}
.tool-go{flex:0 0 auto;color:var(--brass)}.tool-go svg{width:14px;height:14px}
@media (min-width:560px){ .swipe-track > .cred-card{flex-basis:46%} .swipe-track > .tool-item{flex-basis:40%} }

/* ---------- swipeable rows (credentials / tools) ---------- */
.swipe{position:relative;margin:0 -2px}
.swipe-track{display:flex;gap:11px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:2px}
.swipe-track::-webkit-scrollbar{display:none}
.swipe-track > *{scroll-snap-align:start;margin-bottom:0!important}
.swipe-track > .cred-card{flex:0 0 86%}
.swipe-track > .tool-item{flex:0 0 80%;align-items:flex-start}
.swipe-dots{display:flex;justify-content:center;gap:6px;margin-top:11px;min-height:6px}
.swipe-dots i{width:6px;height:6px;border-radius:50%;background:var(--line-3);transition:.22s}
.swipe-dots i.on{background:var(--brass);transform:scale(1.3)}

/* ---------- learn sticky section nav ---------- */
.learn-nav{position:sticky;top:0;z-index:15;margin:0 -18px 14px;padding:9px 18px;background:var(--card);border-bottom:1px solid var(--line-2)}
.lnav-cur{display:flex;align-items:center;gap:10px;width:100%;background:var(--card-2);border:1px solid var(--line-3);border-radius:12px;padding:9px 13px;text-align:left;color:var(--ink)}
.lnav-cur:active{opacity:.8}
.lnav-eyebrow{font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--brass);font-weight:700;flex:0 0 auto}
.lnav-label{flex:1;min-width:0;font-family:var(--display);font-size:16px;font-weight:600;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lnav-caret{flex:0 0 auto;width:16px;height:16px;color:var(--faint);transition:transform .24s}
.learn-nav.open .lnav-caret{transform:rotate(180deg)}
.lnav-menu{overflow:hidden;max-height:0;opacity:0;transition:max-height .28s ease,opacity .2s;display:flex;flex-direction:column;gap:2px}
.learn-nav.open .lnav-menu{max-height:62vh;opacity:1;overflow-y:auto;margin-top:8px;padding:6px;background:var(--card);border:1px solid var(--line-3);border-radius:12px}
.lnav-item{display:flex;align-items:center;gap:11px;width:100%;text-align:left;background:none;border:none;padding:10px 9px;border-radius:9px;color:var(--ink-soft)}
.lnav-item:active{background:var(--card-3)}
.lnav-item.on{background:color-mix(in srgb,var(--brass) 15%,transparent);color:var(--ink)}
.lnav-item .lnav-i-n{flex:0 0 auto;font-family:var(--display);font-size:12px;font-weight:700;color:var(--brass);width:20px}
.lnav-item .lnav-i-l{flex:1;min-width:0;font-size:14px;font-weight:600}

/* ---------- notebook: freeform composer + notes ---------- */
.nb-compose{display:flex;flex-direction:column;gap:9px;margin:4px 0 16px}
.nb-ta{width:100%;resize:vertical;min-height:74px;background:var(--card-2);border:1px solid var(--line-3);border-radius:13px;padding:12px 13px;color:var(--ink);font:inherit;font-size:14.5px;line-height:1.5}
.nb-ta::placeholder{color:var(--faint)}
.nb-ta:focus{outline:none;border-color:var(--brass)}
.nb-add{align-self:flex-end;background:var(--brass);color:var(--night);border:none;border-radius:30px;padding:9px 20px;font-size:13.5px;font-weight:700;letter-spacing:.02em}
.nb-add:active{transform:scale(.96)}
.nb-notes-empty{color:var(--muted);font-style:italic;font-size:13px;line-height:1.55;padding:4px 2px 8px}
.nb-note{display:flex;align-items:flex-start;gap:12px;background:var(--card-2);border:1px solid var(--line-2);border-radius:12px;padding:12px 13px;margin-bottom:9px}
.nb-note-x{flex:1;min-width:0}
.nb-note-t{font-size:14px;color:var(--ink);line-height:1.5;white-space:pre-wrap;word-break:break-word}
.nb-note-d{font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--faint);font-weight:600;margin-top:7px}
.nb-note-rm{flex:0 0 auto;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);color:var(--muted);font-size:14px;line-height:1;display:flex;align-items:center;justify-content:center}
.nb-note-rm:active{background:var(--card-3);color:var(--ink)}

/* learn course index (table of contents) */
.learn-index{background:var(--card-2);border:1px solid var(--line-3);border-radius:16px;padding:15px 15px 8px;margin-bottom:14px}
.lix-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:6px}
.lix-h{font-family:var(--display);font-size:18px;font-weight:600;color:var(--ink);white-space:nowrap}
.lix-sub{font-size:11.5px;color:var(--muted);text-align:right}
.lix-list{display:flex;flex-direction:column}
.lix-row{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:none;border:none;padding:10px 2px;border-top:1px solid var(--line-2)}
.lix-row:first-child{border-top:none}
.lix-row:active{opacity:.6}
.lix-n{flex:0 0 auto;font-family:var(--display);font-size:13px;font-weight:700;color:var(--brass);width:22px}
.lix-x{flex:1;min-width:0;display:flex;flex-direction:column}
.lix-name{font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.25}
.lix-meta{font-size:11.5px;color:var(--muted);margin-top:1px}
.lix-go{flex:0 0 auto;color:var(--faint)}.lix-go svg{width:16px;height:16px}
@media (min-width:560px){ .lix-list{display:grid;grid-template-columns:1fr 1fr;column-gap:22px} .lix-row:nth-child(2){border-top:none} }
.larea-lvl{display:inline-block;margin-left:7px;padding:1px 7px;border:1px solid var(--line-3);border-radius:20px;color:var(--gold);letter-spacing:.08em}
.larea-read{display:flex;flex-direction:column;gap:8px}
.readlink{display:flex;align-items:center;gap:11px;background:var(--card-2);border:1px solid var(--line);border-radius:11px;padding:11px 13px;color:inherit}
.readlink:active{background:var(--card-3)}
.readlink .rl-x{flex:1;min-width:0;display:flex;flex-direction:column}
.readlink .rl-t{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.3}
.readlink .rl-s{font-size:11.5px;color:var(--muted);margin-top:2px}
.readlink .rl-go{flex:0 0 auto;width:15px;height:15px;color:var(--brass)}

/* company mission / sincere note (Me screen) */
.mission{background:radial-gradient(300px 170px at 12% 0,rgba(52,178,206,.10),transparent 62%),var(--card-2);border:1px solid var(--line-3);border-radius:16px;padding:18px 17px;margin-top:14px}
.mission .mk{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--peacock);font-weight:600}
.mission h3{font-family:var(--display);font-size:21px;font-weight:600;line-height:1.12;margin:6px 0 7px}
.mission p{font-size:13.5px;color:var(--ink-soft);line-height:1.5}
.mission .mission-honest{margin-top:10px;color:var(--muted);font-size:13px}
.mission .mission-mail{display:inline-block;margin-top:14px;font-size:13.5px;color:var(--gold);font-weight:600;border-bottom:1px solid var(--brass);padding-bottom:2px}
.mission .mission-mail b{font-weight:700}

/* ---------- GLOSSARY ---------- */
.search{display:flex;align-items:center;gap:10px;background:var(--night);border:1px solid var(--line);border-radius:11px;padding:12px 14px;margin-bottom:14px}
.search svg{width:17px;height:17px;color:var(--brass);flex:0 0 auto}
.search input{flex:1;background:none;border:none;outline:none;color:var(--ink);font-family:var(--body);font-size:16px}
.search input::placeholder{color:var(--faint)}
.gloss-item{border-bottom:1px solid var(--line-2);padding:15px 2px}
.gloss-item .gtop{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.gloss-item .term{font-family:var(--display);font-size:20px;font-weight:600;color:var(--ink);flex:1 1 auto;min-width:0;line-height:1.2;overflow-wrap:anywhere}
.gloss-item .cat{font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--peacock);text-align:right;line-height:1.3;white-space:nowrap}
.gloss-item .def{font-size:14.5px;color:var(--ink-soft);line-height:1.5;margin-top:6px;max-height:0;overflow:hidden;transition:max-height .35s ease,margin .35s ease}
.gloss-item .note{font-style:italic;font-size:13.5px;color:var(--brass);margin-top:9px;max-height:0;overflow:hidden;transition:max-height .35s ease,margin .35s ease}
.gloss-item.open .def{max-height:280px;margin-top:7px}
.gloss-item.open .note{max-height:160px}
.gloss-item .src{display:none;font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--faint);margin-top:8px}
.gloss-item.open .src{display:block}
.emptyg{text-align:center;color:var(--muted);font-style:italic;padding:30px 0}

/* ---------- ME ---------- */
.profile{display:flex;align-items:center;gap:15px;margin-bottom:18px}
.profile img{width:64px;height:64px;border-radius:50%;border:1px solid var(--brass);object-fit:cover;object-position:50% 36%}
.profile .pn{font-family:var(--display);font-size:24px;font-weight:600}
.profile .pm{font-size:13px;color:var(--muted)}
.plan{background:
    radial-gradient(280px 160px at 88% 0,rgba(52,178,206,.16),transparent 60%),var(--card-2);
  border:1px solid var(--line-3);border-radius:16px;padding:18px 17px}
.plan .pk{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--peacock);font-weight:600}
.plan .pt{font-family:var(--display);font-size:23px;font-weight:600;margin:5px 0 6px}
.plan .pl{font-size:13.5px;color:var(--ink-soft);line-height:1.45;margin-bottom:14px}
.rowlist{margin-top:16px}
.mrow{display:flex;align-items:center;gap:14px;padding:15px 2px;border-bottom:1px solid var(--line-2)}
.mrow .mi{width:34px;height:34px;border-radius:9px;background:var(--card);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brass);flex:0 0 auto}
.mrow .mi svg{width:16px;height:16px}
.mrow .ml{flex:1}
.mrow .ml .a{font-size:15.5px;color:var(--ink)}
.mrow .ml .b{font-size:12.5px;color:var(--muted)}
.mrow .chev{color:var(--faint)}
.mrow .chev svg{width:16px;height:16px}
.langseg{display:flex;gap:6px}
.langbtn{border:1px solid var(--line);border-radius:8px;padding:6px 12px;font-size:13px;color:var(--ink-soft);font-weight:600}
.langbtn.on{background:var(--brass);color:var(--night);border-color:var(--brass)}

/* ---------- BOTTOM TAB BAR ---------- */
.tabbar{
  flex:0 0 auto;display:flex;align-items:stretch;
  height:calc(var(--tab-h) + env(safe-area-inset-bottom,0px));
  padding-bottom:env(safe-area-inset-bottom,0px);
  background:rgba(9,27,25,.93);backdrop-filter:blur(14px) saturate(150%);
  border-top:1px solid var(--line);position:relative;z-index:30;
}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:var(--faint);transition:.16s;position:relative}
.tab svg{width:22px;height:22px}
.tab .tl{font-size:10px;letter-spacing:.04em;font-weight:600}
.tab.on{color:var(--gold)}
.tab.on::before{content:"";position:absolute;top:0;width:26px;height:2.5px;border-radius:3px;background:var(--gold)}
.tab:active{transform:scale(.93)}

/* ---------- PAYWALL / SHEET ---------- */
.sheet-scrim{position:absolute;inset:0;background:rgba(6,16,15,.66);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:.28s;z-index:50}
.sheet-scrim.on{opacity:1;pointer-events:auto}
.sheet{position:absolute;left:0;right:0;bottom:0;transform:translateY(102%);transition:transform .34s cubic-bezier(.3,.9,.3,1);z-index:60;
  background:radial-gradient(360px 200px at 50% -8%,rgba(232,200,112,.16),transparent 62%),var(--card);
  border:1px solid var(--line-3);border-bottom:none;border-radius:22px 22px 0 0;
  padding:10px 20px calc(env(safe-area-inset-bottom,0px) + 22px);max-height:92%;overflow-y:auto}
.sheet.on{transform:translateY(0)}
.sheet .grab{width:38px;height:4px;border-radius:4px;background:var(--faint);margin:6px auto 16px;opacity:.6}
.sheet .mascot{width:64px;height:64px;border-radius:50%;border:1px solid var(--brass);object-fit:cover;object-position:50% 36%;margin:0 auto 12px}
.sheet h2{font-family:var(--display);font-size:27px;font-weight:600;text-align:center;line-height:1.05}
.sheet .sub{text-align:center;color:var(--ink-soft);font-size:14.5px;font-style:italic;margin:7px 0 18px}
.perk{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px solid var(--line-2)}
.perk .pi{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:rgba(52,178,206,.14);color:var(--peacock);display:flex;align-items:center;justify-content:center}
.perk .pi svg{width:14px;height:14px}
.perk .pt{font-size:15px;color:var(--ink);line-height:1.3}
.perk .pt b{color:var(--gold);font-weight:600}
.perk .pt span{display:block;font-size:12.5px;color:var(--muted)}
.pricerow{display:flex;gap:10px;margin:18px 0 6px}
.price{flex:1;border:1px solid var(--line);border-radius:13px;padding:13px 12px;text-align:center;position:relative}
.price.on{border-color:var(--gold);background:rgba(232,200,112,.08)}
.price .pp{font-family:var(--display);font-size:24px;font-weight:600;color:var(--gold)}
.price .pu{font-size:12px;color:var(--muted)}
.price .save{position:absolute;top:-9px;right:10px;font-size:9px;letter-spacing:.08em;text-transform:uppercase;background:var(--peacock);color:var(--night);border-radius:4px;padding:2px 6px;font-weight:700}
.sheet .fine{text-align:center;font-size:11.5px;color:var(--faint);margin-top:12px;line-height:1.5}
.soon-badge{display:inline-block;font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;background:var(--peacock);color:var(--night);border-radius:5px;padding:3px 8px;font-weight:700;vertical-align:middle;font-family:var(--body);margin-left:6px}
.pay-note{text-align:center;font-size:14px;color:var(--ink-soft);line-height:1.55;margin:8px auto 16px;max-width:46ch}
.pay-note b{color:var(--gold);font-weight:600}
.pay-coming-h{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass);font-weight:700;margin:4px 0 10px;text-align:center}
.pay-notify{display:block;width:100%;text-align:center;margin-top:13px;color:var(--gold);font-size:13.5px;letter-spacing:.03em;background:none;font-family:var(--body)}
.pay-notify:active{opacity:.6}
.courier-stampwrap{text-align:center;margin:4px 0 2px}
.courier-stamp{display:inline-block;font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:#6a4a22;border:1px solid rgba(42,38,32,.45);border-radius:4px;padding:5px 11px;font-weight:700}

/* toast */
.toast{position:absolute;left:50%;bottom:calc(var(--tab-h) + 18px);transform:translate(-50%,18px);
  background:var(--night);border:1px solid var(--line-3);color:var(--ink);font-size:13.5px;
  padding:11px 17px;border-radius:30px;opacity:0;pointer-events:none;transition:.26s;z-index:70;white-space:nowrap;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast b{color:var(--gold)}

/* ---------- TODAY two-up + crossword card ---------- */
.two-up{display:flex;flex-direction:column;gap:14px}
.stack{display:flex;flex-direction:column;gap:10px}
.xwcard .ring{background:rgba(52,178,206,.16)}
.xwcard .ring svg{color:var(--peacock)}
.footer-note{}
.legal-disc{margin-top:22px;padding:16px 15px 4px;border-top:1px solid var(--line-2);text-align:center}
.legal-disc .lg-line{font-size:11.5px;line-height:1.65;color:var(--muted)}
.legal-disc .lg-line b{color:var(--ink-soft);font-weight:600}
.legal-disc .lg-links{display:flex;gap:8px;justify-content:center;align-items:center;flex-wrap:wrap;margin-top:11px}
.legal-disc .lg-links a{font-size:11.5px;color:var(--gold);letter-spacing:.02em}
.legal-disc .lg-links span{color:var(--faint);font-size:10px}

/* ---------- CROSSWORD ---------- */
.xw-sheet{}
.xw-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:6px}
.xw-head .eyebrow{display:block}
.xw-sub{font-size:13px;color:var(--muted);font-style:italic;margin-top:5px;max-width:40ch}
.xw-grid{display:grid;gap:4px;width:100%;max-width:360px;margin:16px auto 4px}
.xw-cell{position:relative;aspect-ratio:1;border-radius:6px;background:var(--card-3);border:1px solid var(--line-2);transition:background .12s,border-color .12s}
.xw-cell.xw-blank{background:transparent;border:none}
.xw-num{position:absolute;top:1px;left:2px;font-size:8px;line-height:1;color:var(--brass);font-weight:700;z-index:2;pointer-events:none}
.xw-cell input{position:absolute;inset:0;width:100%;height:100%;background:transparent;border:none;outline:none;text-align:center;color:var(--ink);font-family:var(--display);font-weight:600;font-size:clamp(13px,4.6vw,19px);text-transform:uppercase;border-radius:6px;padding:0}
.xw-cell.hl{background:rgba(52,178,206,.15);border-color:rgba(52,178,206,.42)}
.xw-cell.sel{background:rgba(232,200,112,.24);border-color:var(--gold)}
.xw-cell.ok input{color:var(--peacock)}
.xw-cell.bad input{color:var(--magenta)}
.xw-clue{background:var(--card-3);border:1px solid var(--line-2);border-radius:11px;padding:13px 15px;font-size:14.5px;color:var(--ink-soft);line-height:1.45;min-height:1px}
.xw-clue b{color:var(--gold);font-weight:600;font-family:var(--body)}
.xw-actions{display:flex;gap:8px;margin:13px 0 2px}
.xw-actions .btn{flex:1;padding:11px 8px;font-size:12px}
.xw-clues{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.xw-clue-h{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--peacock);font-weight:700;margin-bottom:7px}
.xw-clue-li{display:block;width:100%;text-align:left;font-size:13px;color:var(--ink-soft);line-height:1.36;padding:7px 2px;border-bottom:1px solid var(--line-2)}
.xw-clue-li b{color:var(--gold);margin-right:6px;font-family:var(--display);font-size:15px}

/* ---------- TABLET & WIDE (≥680px viewport / device) ---------- */
@media (min-width:680px){
  .screens-wrap{max-width:780px;margin:0 auto}
  .screen{padding-top:28px;padding-left:32px;padding-right:32px}
  .hello .hi{font-size:36px}
  .screen-head h2{font-size:40px}
  .wotd .term{font-size:50px}
  .two-up{flex-direction:row;align-items:stretch}
  .two-up .wotd{flex:1.25}
  .two-up .stack{flex:1}
  .two-up .stack .lesson{flex:1}
  #brief-list,#events-list{display:grid;grid-template-columns:1fr 1fr;column-gap:30px}
  .brief-item.sponsored{grid-column:1 / -1}
  #paths-list,.larea-paths{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .pathcard{margin-bottom:0}
  #gloss-list{display:grid;grid-template-columns:1fr 1fr;column-gap:30px}
  .xw-grid{max-width:400px}
  .xw-sheet{width:min(720px,94%);max-width:none;left:50%;right:auto;margin:0;transform:translate(-50%,102%)}
  .xw-sheet.on{transform:translate(-50%,0)}
  .sheet:not(.xw-sheet){width:min(560px,92%);max-width:none;left:50%;right:auto;margin:0;transform:translate(-50%,102%)}
  .sheet:not(.xw-sheet).on{transform:translate(-50%,0)}
  .tabbar{justify-content:center;gap:8px}
  .tab{flex:0 0 132px}
}
@media (min-width:980px){
  .screens-wrap{max-width:920px}
  #gloss-list{grid-template-columns:1fr 1fr 1fr}
}

/* ---------- STATUS BAR ---------- */
.statusbar{flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;
  height:calc(38px + env(safe-area-inset-top,0px));padding:env(safe-area-inset-top,0px) 22px 0;
  background:rgba(9,27,25,.95);color:var(--ink);font-size:13.5px;font-weight:600;position:relative;z-index:26}
.statusbar .sb-time{letter-spacing:.01em;font-variant-numeric:tabular-nums}
.statusbar .sb-ic{display:flex;align-items:center;gap:7px}
.statusbar .sb-ic svg{height:12px;width:auto;color:var(--ink)}
.appbar{padding-top:11px;padding-bottom:11px}
.brandbtn{display:flex;align-items:center;gap:12px;background:none;border:none;padding:0;text-align:left;flex:1;min-width:0}
.brandbtn:active{opacity:.7}

/* ---------- NAME BOX ---------- */
.namebox{display:flex;flex-direction:column;gap:7px;padding:15px 0 17px;border-bottom:1px solid var(--line-2);margin-bottom:4px}
.namebox label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--brass);font-weight:600}
.namebox input{background:var(--night);border:1px solid var(--line);border-radius:10px;padding:13px 15px;color:var(--ink);font-family:var(--body);font-size:16px;outline:none}
.namebox input:focus{border-color:var(--brass);outline:2px solid rgba(201,162,75,.25)}
.namebox input::placeholder{color:var(--faint)}

/* ---------- STAR ---------- */
.star{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);color:var(--muted);background:transparent;flex:0 0 auto;transition:.15s}
.star:active{transform:scale(.88)}
.star svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.6}
.star.on{color:var(--gold);border-color:rgba(232,200,112,.5)}
.star.on svg{fill:currentColor;stroke:currentColor}
.wotd .tagright{display:flex;align-items:center;gap:9px}
.gloss-item .gright{display:flex;align-items:center;gap:9px;flex:0 0 auto;padding-top:3px}
.brief-item{position:relative}
.brief-item .star{position:absolute;top:13px;right:0}
.brief-item .ttl{padding-right:40px}

/* ---------- NOTEBOOK SHEET ---------- */
.nb-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:6px}
.nb-head .eyebrow{display:block}
.nb-sub{font-size:13px;color:var(--muted);font-style:italic;margin-top:5px;max-width:42ch}
.nb-group{margin-top:18px}
.nb-gh{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--peacock);font-weight:700;margin-bottom:8px}
.nb-item{display:flex;align-items:flex-start;gap:12px;padding:13px 2px;border-bottom:1px solid var(--line-2)}
.nb-item .nbx{flex:1;min-width:0}
.nb-item .nbt{font-family:var(--display);font-size:18px;font-weight:600;line-height:1.2;color:var(--ink)}
.nb-item .nbs{font-size:12.5px;color:var(--muted);margin-top:3px;line-height:1.4}
.nb-item .nbrm{flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);color:var(--gold);display:flex;align-items:center;justify-content:center}
.nb-item .nbrm svg{width:14px;height:14px;fill:currentColor}
.nb-empty{text-align:center;color:var(--muted);font-style:italic;padding:30px 14px;line-height:1.6}

/* ---------- THE CRETACEOUS COURIER ---------- */
.courier{position:absolute;inset:0;z-index:85;overflow-y:auto;-webkit-overflow-scrolling:touch;background:#0a1614;transition:opacity .45s}
.courier.off{opacity:0;pointer-events:none}
.courier-paper{min-height:100%;background-color:#e7dcc0;color:#23201a;font-family:var(--body);
  padding:calc(env(safe-area-inset-top,0px) + 46px) 20px calc(env(safe-area-inset-bottom,0px) + 30px);
  background-image:
    repeating-linear-gradient(0deg,rgba(70,52,24,.02) 0 2px,transparent 2px 5px),
    radial-gradient(120% 55% at 50% -8%,rgba(120,92,46,.10),transparent 60%),
    radial-gradient(95% 45% at 50% 108%,rgba(110,82,40,.13),transparent 62%);
  box-shadow:inset 0 0 130px rgba(60,40,15,.20)}
.courier-top{display:flex;justify-content:space-between;align-items:center;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#6a4a22;font-weight:600}
.courier-greet{text-align:center;font-family:var(--display);font-style:italic;font-size:15px;color:#5a3c1c;margin:7px 0 2px}
.courier-name{font-family:var(--display);font-weight:700;text-align:center;white-space:nowrap;font-size:clamp(19px,6.9vw,60px);line-height:.98;letter-spacing:.004em;color:#1b1810;margin:1px 0}
.courier-dateline{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:9px;letter-spacing:.09em;text-transform:uppercase;color:#4a3a22}
.courier-dateline span{flex:1}
.courier-dateline span:nth-child(2){flex:1.5;text-align:center;font-weight:700}
.courier-dateline span:last-child{text-align:right}
.rule-thick{height:3px;background:#23201a;margin:9px 0}
.rule-thin{height:1px;background:#23201a;opacity:.45;margin:8px 0}
.rule-double{border-top:3px double #23201a;height:0;margin:10px 0}
.cx-block{padding:6px 0 2px}
.cx-kicker{font-family:var(--display);font-weight:700;text-align:center;font-size:23px;color:#1b1810;margin:2px 0 2px;letter-spacing:.01em}
.cx-sub{text-align:center;font-style:italic;font-size:12.5px;color:#5a4a2e;margin-bottom:12px;max-width:38ch;margin-left:auto;margin-right:auto}
.courier .xw-grid{max-width:360px;margin:0 auto 4px}
.courier .xw-cell{background:#f4ecd6;border:1px solid #2a2620;border-radius:4px}
.courier .xw-cell.xw-blank{background:transparent;border:none}
.courier .xw-cell input{color:#1b1810}
.courier .xw-num{color:#4a300f}
.courier .xw-cell.hl{background:#e7d6aa;border-color:#8a6a30}
.courier .xw-cell.sel{background:#d8b85e;border-color:#6a4a1e}
.courier .xw-cell.ok input{color:#2f6b46}
.courier .xw-cell.bad input{color:#b23b5e}
.courier .xw-clue{background:#f4ecd6;border:1px solid #2a2620;color:#3a3424;border-radius:7px;max-width:520px;margin:0 auto}
.courier .xw-clue b{color:#7a5326;font-family:var(--body)}
.courier .xw-actions{max-width:520px;margin-left:auto;margin-right:auto}
.courier .xw-actions .btn{flex:1;border:1px solid #2a2620;color:#23201a;background:transparent;border-radius:6px}
.courier .xw-actions .btn:active{background:#2a2620;color:#e7dcc0}
.courier .xw-clues{max-width:520px;margin-left:auto;margin-right:auto}
.courier .xw-clue-h{color:#7a5326}
.courier .xw-clue-li{color:#3a3424;border-bottom:1px solid rgba(42,38,32,.22)}
.courier .xw-clue-li b{color:#7a5326}
.courier-cols{display:grid;grid-template-columns:1fr;gap:0}
.courier-lead{padding:16px 0 4px}
.courier-lead .cstory-k{text-align:center;margin-bottom:9px}
.lead-media{position:relative;width:100%;aspect-ratio:16/9;border-radius:3px;overflow:hidden;border:1px solid #2a2620;filter:sepia(.26) contrast(1.03) brightness(.99);box-shadow:0 10px 26px rgba(40,28,10,.28)}
.lead-media video{width:100%;height:100%;object-fit:cover;object-position:50% 78%;display:block}
.lead-h{font-family:var(--display);font-weight:700;font-size:clamp(24px,7.4vw,34px);line-height:1.08;color:#1b1810;text-align:center;margin:13px auto 6px;max-width:18ch;text-wrap:balance}
.lead-p{font-size:14.5px;line-height:1.55;color:#3a3424;text-align:center;max-width:46ch;margin:0 auto}
.courier-lead .cstory-go{display:block;width:max-content;margin:11px auto 0}
.cstory{padding:15px 0;border-top:1px solid rgba(42,38,32,.28)}
.cstory:first-child{border-top:none}
.cstory-k{font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:#7a5326;font-weight:700;margin-bottom:7px}
.cstory-media{position:relative;width:100%;aspect-ratio:16/10;border-radius:3px;overflow:hidden;margin-bottom:10px;border:1px solid #2a2620;filter:sepia(.28) contrast(1.03) brightness(.98)}
.cstory-media video,.cstory-media img{width:100%;height:100%;object-fit:cover}
.cstory-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none}
.cstory-play span{width:42px;height:42px;border-radius:50%;background:rgba(27,24,16,.74);display:flex;align-items:center;justify-content:center}
.cstory-play svg{width:15px;height:15px;color:#e7dcc0;margin-left:2px}
.cstory h3{font-family:var(--display);font-weight:700;font-size:21px;line-height:1.12;color:#1b1810;margin-bottom:5px}
.cstory-src{font-size:11px;font-style:italic;color:#7a5326;margin-bottom:6px}
.cstory p{font-size:13.5px;line-height:1.5;color:#3a3424}
.cr-vclip{border-top:1px solid rgba(42,38,32,.28);padding-top:15px}
.cstory-go{display:inline-block;margin-top:9px;font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:#7a5326;font-weight:700;border-bottom:1px solid #7a5326;padding-bottom:1px}
.courier-enter{display:block;width:100%;margin-top:24px;background:#1b1810;color:#e7dcc0;border-radius:8px;padding:16px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:13px;font-family:var(--body)}
.courier-enter:active{background:#3a3424}
@media (min-width:680px){
  .courier-paper{padding-left:40px;padding-right:40px}
  .courier-name{font-size:58px}
  .courier .xw-grid{max-width:440px}
  .courier-cols.two{grid-template-columns:1fr 1fr;gap:0}
  .courier-cols.two .cstory{border-top:none;border-left:1px solid rgba(42,38,32,.28);padding:4px 22px}
  .courier-cols.two .cstory:first-child{border-left:none;padding-left:0}
  .courier-cols.two .cstory:last-child{padding-right:0}
  .lead-media{aspect-ratio:16/9}
  .lead-h{font-size:38px;max-width:22ch}
}

/* ---------- CROSSWORD TOOLBAR (redesigned) ---------- */
.xw-toolbar{display:flex;flex-direction:column;gap:10px;margin:13px 0 2px;max-width:520px;margin-left:auto;margin-right:auto}
.xw-tb-main{display:flex;gap:8px}
.xw-tool{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid #2a2620;color:#23201a;background:transparent;border-radius:8px;padding:11px 8px;font-family:var(--body);font-size:13.5px;font-weight:600;letter-spacing:.02em}
.xw-tool svg{width:15px;height:15px}
.xw-tool:active{background:#2a2620;color:#e7dcc0}
.xw-reveal-grp{display:flex;align-items:center;gap:7px;background:rgba(42,38,32,.06);border:1px solid rgba(42,38,32,.22);border-radius:9px;padding:7px 9px}
.xw-reveal-lbl{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:#7a5326;font-weight:700;flex:0 0 auto;margin-right:1px}
.xw-rev{flex:1;border:1px solid #b79b63;color:#23201a;background:#efe6cd;border-radius:7px;padding:8px 6px;font-family:var(--body);font-size:13px;font-weight:600}
.xw-rev:active{background:#d8b85e;border-color:#6a4a1e}
/* in-app (dark) variant when toolbar used outside courier — default to courier paper above */
.courier-stampwrap.end{margin:22px 0 2px}

/* ---------- section sub ---------- */
.sec-sub{font-size:13px;color:var(--muted);font-style:italic;margin:-6px 0 12px}

/* ---------- WATCH & LISTEN ---------- */
.watch-card{display:flex;align-items:center;gap:13px;padding:14px 2px;border-bottom:1px solid var(--line-2);color:inherit}
.watch-card:active{opacity:.7}
.wc-ic{flex:0 0 auto;width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line)}
.wc-ic svg{width:19px;height:19px}
.wc-podcast{background:rgba(221,84,153,.12);color:var(--magenta)}
.wc-video{background:rgba(52,178,206,.13);color:var(--peacock)}
.wc-radio{background:rgba(232,200,112,.13);color:var(--gold)}
.wc-x{flex:1;min-width:0;display:flex;flex-direction:column}
.wc-top{display:flex;align-items:center;gap:8px}
.wc-kind{font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;color:var(--brass)}
.wc-src{font-size:11px;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wc-name{font-family:var(--display);font-size:18px;font-weight:600;line-height:1.15;color:var(--ink);margin-top:1px}
.wc-note{font-size:13px;color:var(--muted);line-height:1.4;margin-top:2px}
.wc-go{flex:0 0 auto;align-self:center;font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--gold);font-weight:600}

/* ---------- GLOSSARY bilingual ---------- */
.gloss-tools{display:flex;justify-content:flex-end;margin:-4px 0 12px}
.biling-toggle{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:30px;padding:7px 14px 7px 11px;font-size:13px;font-weight:600;color:var(--ink-soft)}
.biling-toggle .bt-dot{width:15px;height:15px;border-radius:50%;border:1.5px solid var(--faint);transition:.16s}
.biling-toggle.on{border-color:var(--brass);color:var(--gold)}
.biling-toggle.on .bt-dot{background:var(--gold);border-color:var(--gold);box-shadow:inset 0 0 0 3px var(--card)}
.gloss-item:not(.open) .bl-def{display:none}
.bl-def{display:flex;gap:10px;align-items:flex-start;margin-top:9px}
.bl-tag{flex:0 0 auto;font-size:10px;font-weight:700;letter-spacing:.04em;color:var(--brass);border:1px solid var(--line-3);border-radius:5px;padding:2px 6px;margin-top:2px;min-width:26px;text-align:center}
.bl-x{flex:1;min-width:0}
.bl-x .def{max-height:none;margin-top:0}
.bl-x .note{max-height:none;margin-top:6px}

/* ---------- LESSON PLAYER ---------- */
.lesson-player{position:absolute;inset:0;z-index:92;display:flex;flex-direction:column;
  background:radial-gradient(620px 380px at 88% -6%,rgba(52,178,206,.14),transparent 60%),var(--khaki);
  transform:translateY(100%);transition:transform .34s cubic-bezier(.3,.9,.3,1);visibility:hidden}
.lesson-player.on{transform:none;visibility:visible}
.lp-bar{flex:0 0 auto;display:flex;align-items:center;gap:13px;padding:calc(env(safe-area-inset-top,0px) + 16px) 18px 14px}
.lp-x{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);color:var(--ink-soft);font-size:16px;flex:0 0 auto}
.lp-x:active{background:var(--brass);color:var(--night)}
.lp-prog{flex:1;height:6px;border-radius:6px;background:rgba(255,255,255,.09);overflow:hidden}
.lp-prog i{display:block;height:100%;background:linear-gradient(90deg,var(--brass),var(--gold));border-radius:6px;transition:width .3s ease}
.lp-count{flex:0 0 auto;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.lp-body{flex:1 1 auto;overflow-y:auto;padding:8px 22px 20px;display:flex;flex-direction:column}
.lp-step{margin:auto 0;max-width:620px;width:100%;margin-left:auto;margin-right:auto;animation:lpin .3s ease}
@keyframes lpin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.lp-h{font-family:var(--display);font-size:29px;font-weight:600;line-height:1.08;color:var(--ink);margin-bottom:12px;text-wrap:pretty}
.lp-p{font-size:17px;line-height:1.6;color:var(--ink-soft)}
.lp-src{margin-top:18px;font-size:11.5px;letter-spacing:.04em;color:var(--faint);border-left:2px solid var(--brass);padding-left:11px}
.lp-q{font-family:var(--display);font-size:23px;font-weight:600;line-height:1.2;color:var(--ink);margin-bottom:16px;text-wrap:pretty}
.lp-opts,.lp-tf{display:flex;flex-direction:column;gap:10px}
.lp-tf{flex-direction:row}.lp-tf .lp-opt{flex:1;justify-content:center}
.lp-opt{display:flex;align-items:center;gap:12px;text-align:left;border:1px solid var(--line);background:var(--card);border-radius:12px;padding:15px 15px;font-size:16px;color:var(--ink);transition:.16s}
.lp-opt:active{transform:scale(.99)}
.lp-mk{flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--faint);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}
.lp-opt.done{pointer-events:none}
.lp-opt.right{border-color:var(--peacock);background:rgba(52,178,206,.12)}
.lp-opt.right .lp-mk{background:var(--peacock);border-color:var(--peacock);color:var(--night)}
.lp-opt.wrong{border-color:var(--magenta);background:rgba(221,84,153,.10)}
.lp-opt.wrong .lp-mk{background:var(--magenta);border-color:var(--magenta);color:#fff}
.lp-fb{margin-top:14px}
.lp-fb-in{font-size:14.5px;line-height:1.5;color:var(--ink-soft);border-radius:11px;padding:13px 15px;background:var(--card-3);border:1px solid var(--line-2)}
.lp-fb-in b{font-family:var(--display);font-size:16px}
.lp-fb-in.ok b{color:var(--peacock)}.lp-fb-in.no b{color:var(--magenta)}
.lp-fb-src{display:block;margin-top:8px;font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--faint)}
.lp-wrap{text-align:center}
.lp-badge{font-size:40px;margin-bottom:6px}
.lp-sources{margin-top:18px;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:15px 16px}
.lp-src-h{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--brass);font-weight:700;margin-bottom:9px}
.lp-src-li{font-size:13px;color:var(--ink-soft);line-height:1.45;padding:6px 0;border-top:1px solid var(--line-2)}
.lp-src-li:first-of-type{border-top:none}
.lp-foot{flex:0 0 auto;padding:12px 22px calc(env(safe-area-inset-bottom,0px) + 18px);border-top:1px solid var(--line-2)}
.lp-foot .btn:disabled{opacity:.4;pointer-events:none}
.lp-qmeta{margin-bottom:11px}
.lp-diff{font-size:10px;letter-spacing:.12em;text-transform:uppercase;font-weight:700;border-radius:5px;padding:3px 9px;border:1px solid var(--line)}
.lp-diff.d-F{color:var(--peacock);border-color:rgba(52,178,206,.4)}
.lp-diff.d-C{color:var(--gold);border-color:var(--line-3)}
.lp-diff.d-A{color:var(--magenta);border-color:rgba(221,84,153,.4)}
.lp-more{display:block;margin-top:9px;padding-top:9px;border-top:1px solid var(--line-2);font-size:13px;color:var(--muted);line-height:1.5}
.lp-saveq{display:inline-flex;align-items:center;gap:6px;margin-top:13px;border:1px solid var(--line);border-radius:30px;padding:7px 14px;color:var(--ink-soft);font-family:var(--body);font-size:12.5px;font-weight:600}
.lp-saveq svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.6}
.lp-saveq:active{transform:scale(.96)}
.lp-saveq.on{color:var(--gold);border-color:rgba(232,200,112,.5)}
.lp-saveq.on svg{fill:currentColor}
.qz-score{font-size:16px;color:var(--ink-soft);margin:4px 0 10px}.qz-score b{font-family:var(--display);font-size:22px;color:var(--gold)}
.gradebig{width:74px;height:74px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:40px;margin:0 auto 6px;border:2px solid currentColor}
.g-A{color:#3fae6e}.g-B{color:var(--peacock)}.g-C{color:var(--gold)}.g-D{color:var(--mustard)}

/* ---------- REPORT CARD — paper redesign ---------- */
.rc-paper{
  background:#ece3cf; color:#23201a; border-top:3px solid #7a5326;
  background-image:
    repeating-linear-gradient(180deg, transparent 0 30px, rgba(42,38,32,.06) 30px 31px),
    radial-gradient(130% 70% at 50% 0, rgba(255,255,255,.55), transparent 62%);
}
.rc-paper .grab{background:rgba(42,38,32,.28)}
.rc-close{position:absolute;top:13px;right:13px;width:34px;height:34px;border-radius:50%;border:1px solid rgba(42,38,32,.3);background:rgba(255,255,255,.45);color:#3a3424;display:flex;align-items:center;justify-content:center;font-size:14px;z-index:3}
.rc-close:active{background:#7a5326;color:#ece3cf}
.rc-masthead{padding:2px 2px 14px;border-bottom:2px solid #1b1810;margin-bottom:8px}
.rc-mast-top{display:flex;justify-content:space-between;gap:10px;font-size:9.5px;letter-spacing:.13em;text-transform:uppercase;color:#7a5326;font-weight:700}
.rc-title{font-family:var(--display);font-size:33px;font-weight:700;color:#1b1810;line-height:1;margin:9px 0 15px}
.rc-student{display:flex;align-items:center;gap:13px}
.rc-ava{width:54px;height:54px;border-radius:8px;object-fit:cover;object-position:50% 28%;border:2px solid #1b1810;background:#fff;flex:0 0 auto}
.rc-stu-x{flex:1;min-width:0;display:flex;flex-direction:column}
.rc-stu-label{font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#7a5326;font-weight:700}
.rc-stu-name{font-family:var(--display);font-size:23px;font-weight:700;color:#1b1810;line-height:1.1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rc-seal{flex:0 0 auto;width:46px;height:46px;border-radius:50%;border:2px dashed #b08a3c;display:flex;align-items:center;justify-content:center;font-size:21px;opacity:.85}
.rc-paper .rc-avg{border-bottom:1px solid rgba(42,38,32,.3)}
.rc-paper .rc-avg-l{color:#7a5326}
.rc-paper .rc-avg-p{color:#3a3424}
.rc-paper .rc-row{border-bottom:1px solid rgba(42,38,32,.22)}
.rc-paper .rc-name{color:#1b1810}
.rc-paper .rc-meta{color:#6a5f4a}
.rc-paper .rc-prev s{color:#9a8c6e}
.rc-paper .rc-link{color:#7a5326}
.rc-paper .rc-link.drop{color:#9a8c6e}
.rc-paper .rc-dh{color:#9a8c6e}
.rc-paper .rc-drow{border-bottom:1px solid rgba(42,38,32,.18);color:#3a3424}
.rc-paper .rc-empty{color:#6a5f4a}
.rc-paper .rc-disc{color:#7a6a4a}
.rc-paper .rc-grade{background:rgba(255,255,255,.4)}

/* report-card launcher on Learn */
.report-btn{display:flex;align-items:center;gap:13px;width:100%;text-align:left;background:
   radial-gradient(260px 120px at 90% 0,rgba(232,200,112,.14),transparent 60%),var(--card-2);
   border:1px solid var(--line-3);border-radius:14px;padding:15px 16px;margin-bottom:14px}
.report-btn:active{transform:scale(.99)}
.report-btn .rb-ic{flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:rgba(232,200,112,.14);color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:18px}
.report-btn .rb-x{flex:1;min-width:0;display:flex;flex-direction:column}
.report-btn .rb-t{font-family:var(--display);font-size:19px;font-weight:600;color:var(--ink)}
.report-btn .rb-s{font-size:12.5px;color:var(--muted);margin-top:2px}
.report-btn .rb-go{flex:0 0 auto;color:var(--brass)}.report-btn .rb-go svg{width:18px;height:18px}
.learn-disc{font-size:12px;color:var(--faint);font-style:italic;line-height:1.5;margin:-2px 0 18px;padding-left:11px;border-left:2px solid var(--line-3)}

/* subject quiz cards */
.subj-card{display:flex;align-items:center;gap:13px;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:14px 15px;margin-bottom:10px}
.subj-card:active{transform:scale(.99)}
.subj-glyph{flex:0 0 auto;width:40px;height:40px;border-radius:10px;background:var(--card-3);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-family:var(--display);font-size:21px;color:var(--gold)}
.subj-x{flex:1;min-width:0;display:flex;flex-direction:column}
.subj-name{font-family:var(--display);font-size:18px;font-weight:600;color:var(--ink);line-height:1.15}
.subj-blurb{font-size:12.5px;color:var(--muted);margin-top:2px}
.subj-go{flex:0 0 auto;font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--gold);font-weight:600}
.subj-grade{flex:0 0 auto;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:18px;border:1.5px solid currentColor}

/* report card sheet */
.rc-disc{text-align:center;font-size:11.5px;color:var(--faint);font-style:italic;margin-top:16px;line-height:1.5}
.rc-empty{text-align:center;color:var(--muted);font-style:italic;padding:26px 10px;line-height:1.6}
.rc-avg{display:flex;align-items:center;gap:11px;padding:14px 2px 16px;border-bottom:1px solid var(--line-2);margin-bottom:6px}
.rc-avg-l{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--brass);font-weight:700;flex:1}
.rc-avg-g{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:22px;border:2px solid currentColor}
.rc-avg-p{font-family:var(--display);font-size:22px;font-weight:600;color:var(--ink-soft)}
.rc-row{display:flex;align-items:center;gap:12px;padding:14px 2px;border-bottom:1px solid var(--line-2)}
.rc-rx{flex:1;min-width:0}
.rc-name{font-family:var(--display);font-size:18px;font-weight:600;color:var(--ink)}
.rc-meta{font-size:12px;color:var(--muted);margin-top:3px}
.rc-prev s{color:var(--faint);margin-right:4px;opacity:.8}
.rc-acts{display:flex;gap:14px;margin-top:7px}
.rc-link{font-size:12.5px;color:var(--gold);font-weight:600;background:none;padding:0;letter-spacing:.02em}
.rc-link.drop{color:var(--faint)}
.rc-grade{flex:0 0 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;width:54px;height:54px;border-radius:13px;border:1.5px solid currentColor}
.rc-grade .rc-letter{font-family:var(--display);font-weight:700;font-size:24px;line-height:1}
.rc-grade .rc-pct{font-size:10px;color:var(--muted);margin-top:1px}
.rc-dh{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);font-weight:700;margin:18px 0 4px}
.rc-drow{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 2px;border-bottom:1px solid var(--line-2);font-size:14.5px;color:var(--ink-soft)}
.rc-drow.dropped{opacity:.6}

.courier-top{gap:16px}.courier-top>span{white-space:nowrap}
.courier-meta>span,.courier-sub>span{white-space:nowrap}

@media(pointer:coarse),(max-width:900px){.secline .more,.brief-item a.read,.pay-notify{min-height:32px;display:inline-flex;align-items:center}}

@media(max-width:600px){.courier-name{font-size:clamp(22px,11.5vw,50px)!important;white-space:normal;overflow-wrap:anywhere}html[lang^="zh"] .courier-name,html[lang="ja"] .courier-name,html[lang="ko"] .courier-name{font-size:clamp(22px,10vw,44px)!important;letter-spacing:.02em}}