/* ==========================================================================
   Jalan — Indonesian for travellers
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,400;12..96,600;12..96,700;12..96,800&family=Inter:wght@400;500;600;700&display=swap');

:root{
  /* Teal carries the brand. Amber appears only on XP, rose only on errors. */
  --teal-900:#0b3b38;
  --teal-800:#115e59;
  --teal-700:#0f766e;
  --teal-600:#0d9488;
  --teal-500:#14b8a6;
  --teal-100:#ccfbf1;
  --teal-50:#f0fdfa;

  --ink:#0f1c1b;
  --ink-2:#47605d;
  --ink-3:#88a09d;
  --paper:#ffffff;
  --bg:#f5f8f7;
  --line:#dfe9e7;
  --line-2:#eef4f3;

  --amber:#c2740a;
  --amber-bg:#fdf5e7;
  --rose:#be123c;
  --rose-bg:#fdf2f5;

  --r-sm:8px; --r:12px; --r-lg:16px; --r-xl:24px;
  --lip:3px;
  --maxw:1060px;

  --display:'Bricolage Grotesque','Inter',system-ui,sans-serif;
  --body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--body);
  background:var(--bg); color:var(--ink);
  font-size:16px; line-height:1.6; letter-spacing:-.006em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--teal-700);text-decoration:underline;text-underline-offset:2px}
a:hover{color:var(--teal-600)}
h1,h2,h3,h4{margin:0;font-family:var(--display);line-height:1.1;letter-spacing:-.025em;font-weight:700}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
code{background:var(--line-2);padding:.1em .35em;border-radius:5px;font-size:.88em}

.display{font-size:clamp(2rem,4.6vw,3rem);font-weight:800;letter-spacing:-.035em}
.h2{font-size:1.25rem;margin:1.8rem 0 .5rem}
.eyebrow{
  text-transform:uppercase;letter-spacing:.11em;font-size:.7rem;font-weight:700;
  color:var(--teal-700);margin:0 0 .5rem
}
.muted{color:var(--ink-2)}
.tiny{font-size:.82rem}
.center{text-align:center}

/* ------------------------------------------------------------- wordmark */
.wordmark{
  font-family:var(--display);font-weight:800;font-size:1.25rem;letter-spacing:-.035em;
  color:var(--ink);text-decoration:none
}
.wordmark:hover{color:var(--teal-700);text-decoration:none}
.wordmark.lg{font-size:1.6rem}

/* ---------------------------------------------------------------- buttons */
.btn{
  --bg-c:var(--teal-600); --bg-d:var(--teal-800);
  display:inline-flex;align-items:center;justify-content:center;gap:.45rem;
  background:var(--bg-c);color:#fff;border:0;
  padding:.8rem 1.4rem;border-radius:var(--r);
  font-family:var(--body);font-weight:650;font-size:.98rem;letter-spacing:-.005em;
  box-shadow:0 var(--lip) 0 var(--bg-d);
  cursor:pointer;text-decoration:none;position:relative;top:0;
  transition:filter .15s ease, top .06s ease, box-shadow .06s ease;
}
.btn:hover{filter:brightness(1.06);color:#fff;text-decoration:none}
.btn:active{top:var(--lip);box-shadow:0 0 0 var(--bg-d)}
.btn[disabled],.btn.is-off{opacity:.4;pointer-events:none}
.btn-primary{--bg-c:var(--teal-600);--bg-d:var(--teal-800)}
.btn-accent{--bg-c:var(--teal-700);--bg-d:var(--teal-900)}
.btn-ghost{background:var(--paper);color:var(--ink);border:1.5px solid var(--line);box-shadow:0 var(--lip) 0 var(--line)}
.btn-ghost:hover{color:var(--ink);background:var(--teal-50)}
.btn-block{display:flex;width:100%}
.btn-lg{padding:1rem 1.8rem;font-size:1.03rem}
.btn-sm{padding:.45rem .85rem;font-size:.85rem;--lip:2px}

/* ---------------------------------------------------------------- shells */
.plain-page{display:flex;align-items:flex-start;justify-content:center;padding:5vh 1rem 4rem;min-height:100vh}
.sheet{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:clamp(1.4rem,4vw,2.6rem);max-width:620px;width:100%;
  box-shadow:0 1px 2px rgba(15,28,27,.04),0 12px 32px -20px rgba(15,28,27,.3)
}
.sheet-wide{max-width:880px}

.alert{border-radius:var(--r);padding:.8rem 1rem;margin:.9rem 0;border:1px solid;font-size:.94rem}
.alert.good{background:var(--teal-50);border-color:var(--teal-100);color:var(--teal-800)}
.alert.bad{background:var(--rose-bg);border-color:#f6ccd6;color:#8c1330}
.alert.note{background:var(--amber-bg);border-color:#f0dcb8;color:#7c4a08}
.checklist{list-style:none;padding:0;margin:.9rem 0}
.checklist li{padding:.25rem 0 .25rem 1.5rem;position:relative;color:var(--ink-2);font-size:.93rem}
.checklist li::before{content:'';position:absolute;left:2px;top:.85em;width:7px;height:7px;border-radius:50%;background:var(--teal-500)}

.notice{
  background:var(--amber-bg);border:1px solid #f0dcb8;color:#7c4a08;
  border-radius:var(--r);padding:.75rem .9rem;font-size:.85rem;margin-top:1.2rem;line-height:1.5
}
.notice-x{
  display:inline-block;margin-top:.5rem;background:none;border:1px solid #dcbc86;
  color:#7c4a08;border-radius:99px;padding:.15rem .7rem;font-size:.78rem;cursor:pointer
}

/* ---------------------------------------------------------------- fields */
.field{margin:0 0 .9rem}
.field label{display:block;font-weight:600;font-size:.88rem;margin:0 0 .3rem}
.input{
  width:100%;background:var(--paper);border:1.5px solid var(--line);
  border-radius:var(--r);padding:.72rem .9rem;transition:border-color .15s
}
.input:focus{outline:0;border-color:var(--teal-500);box-shadow:0 0 0 3px var(--teal-50)}
.input::placeholder{color:var(--ink-3)}

/* ---------------------------------------------------------------- landing */
.topbar{
  max-width:var(--maxw);margin:0 auto;padding:1.15rem 1.25rem;
  display:flex;justify-content:space-between;align-items:center;gap:1rem
}
.topnav{display:flex;align-items:center;gap:1.1rem}
.topnav a:not(.btn){
  color:var(--ink-2);text-decoration:none;font-size:.93rem;font-weight:550
}
.topnav a:not(.btn):hover{color:var(--teal-700)}
@media(max-width:620px){.topnav a:not(.btn){display:none}}

.landing .sec-head{max-width:var(--maxw);margin:0 auto 1.4rem;padding:0 1.25rem}
.landing .sec-head h2{font-size:clamp(1.5rem,3vw,2.05rem);font-weight:800;letter-spacing:-.03em}
.landing .sec-head p{margin:.45rem 0 0;max-width:56ch}

/* ------------------------------------------------------------------- hero */
.hero{
  max-width:var(--maxw);margin:0 auto;padding:1.5rem 1.25rem 3.2rem;
  display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center
}
@media(max-width:900px){.hero{grid-template-columns:1fr;gap:2.2rem;padding-bottom:2.4rem}}
.hero-copy .display{margin-bottom:.9rem}
.lede{font-size:1.08rem;color:var(--ink-2);max-width:48ch;margin-bottom:1.5rem}
.lede b{color:var(--ink);font-weight:650}
.hero-cta{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin:0}

/* The lesson card, rendered for real rather than drawn. */
.hero-demo{position:relative}
.demo-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:1.1rem 1.1rem 1.3rem;box-shadow:0 22px 50px -30px rgba(11,59,56,.45);
  transform:rotate(-1.1deg)
}
.demo-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:.8rem}
.demo-tag{
  font-size:.66rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--teal-700);background:var(--teal-50);border:1px solid var(--teal-100);
  padding:.28rem .55rem;border-radius:99px
}
.demo-chips{display:flex;gap:.35rem}
.chip{
  font-size:.74rem;font-weight:700;padding:.25rem .5rem;border-radius:99px;
  background:var(--line-2);color:var(--ink-2)
}
.chip.fire{background:#fdeee7;color:#b4460d}
.chip.gold{background:var(--amber-bg);color:var(--amber)}
.demo-photo{
  aspect-ratio:16/10;border-radius:var(--r-lg);overflow:hidden;background:var(--line-2);
  margin-bottom:.9rem
}
.demo-photo img{width:100%;height:100%;object-fit:cover}
.demo-word{font-family:var(--display);font-size:2rem;font-weight:800;letter-spacing:-.03em;line-height:1}
.demo-pron{color:var(--teal-700);font-size:.9rem;font-weight:600;margin-top:.15rem}
.demo-en{color:var(--ink-2);font-size:.95rem;margin-top:.1rem}
.demo-opts{display:flex;gap:.4rem;margin-top:1rem;flex-wrap:wrap}
.demo-opt{
  flex:1;min-width:80px;text-align:center;font-size:.88rem;font-weight:600;
  padding:.55rem .4rem;border:1.5px solid var(--line);border-radius:var(--r);color:var(--ink-2)
}
.demo-opt.on{border-color:var(--teal-500);background:var(--teal-50);color:var(--teal-800)}
/* Flowed, not absolutely positioned: it can never ride up over the answer
   tiles no matter how tall the card gets at a given width. */
.demo-float{
  position:relative;z-index:2;max-width:270px;margin:-1.1rem 0 0 .6rem;
  background:var(--teal-900);color:#dff5f2;border-radius:var(--r-lg);
  padding:.7rem .85rem;box-shadow:0 18px 36px -22px rgba(11,59,56,.7);
  transform:rotate(1.4deg)
}
.demo-float b{display:block;font-family:var(--display);font-size:1rem;color:#fff}
.demo-float span{font-size:.78rem;opacity:.82;line-height:1.45;display:block;margin-top:.15rem}
@media(max-width:900px){.demo-float{transform:none;margin:.9rem 0 0;max-width:none}}

/* ----------------------------------------------------------------- numbers */
.strip{background:var(--teal-900);color:#dff5f2;padding:2.6rem 1.25rem}
.strip-in{
  max-width:var(--maxw);margin:0 auto;display:grid;gap:1.6rem;
  grid-template-columns:repeat(auto-fit,minmax(170px,1fr))
}
.strip .n{
  font-family:var(--display);font-size:2.2rem;font-weight:800;color:#fff;
  line-height:1;letter-spacing:-.035em
}
.strip .l{font-size:.88rem;opacity:.78;margin-top:.35rem;line-height:1.4}

/* -------------------------------------------------------------- hear it now */
.taste{padding:3.2rem 0}
.taste-grid{
  max-width:var(--maxw);margin:0 auto;padding:0 1.25rem;display:grid;gap:.7rem;
  grid-template-columns:repeat(auto-fit,minmax(265px,1fr))
}
.taste-card{
  display:flex;align-items:center;gap:.85rem;text-align:left;width:100%;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:.6rem .85rem .6rem .6rem;cursor:pointer;
  transition:border-color .15s ease, transform .06s ease
}
.taste-card:hover{border-color:var(--teal-500)}
.taste-card:active{transform:translateY(1px)}
.taste-card.is-playing{border-color:var(--teal-600);background:var(--teal-50)}
.tc-photo{
  width:54px;height:54px;flex:0 0 auto;border-radius:var(--r);overflow:hidden;
  background:var(--line-2);display:block
}
.tc-photo img{width:100%;height:100%;object-fit:cover}
.tc-body{flex:1;min-width:0;display:block}
.tc-id{
  display:block;font-family:var(--display);font-weight:700;font-size:1.04rem;
  letter-spacing:-.02em;color:var(--ink)
}
.tc-en{display:block;font-size:.85rem;color:var(--ink-2);margin-top:.05rem}
.tc-play{color:var(--teal-600);font-size:.95rem;flex:0 0 auto}
.taste-card.is-playing .tc-play{color:var(--teal-800)}

/* ------------------------------------------------------------ how it works */
.how{padding:1.4rem 0 3.4rem}
.steps{
  max-width:var(--maxw);margin:0 auto;padding:0 1.25rem;display:grid;gap:1.6rem;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr))
}
.step-n{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;margin-bottom:.7rem;
  background:var(--teal-600);color:#fff;font-family:var(--display);font-weight:800;
  box-shadow:0 var(--lip) 0 var(--teal-800)
}
.step h3{font-size:1.12rem;margin-bottom:.4rem}
.step p{color:var(--ink-2);font-size:.95rem;margin:0}

/* ---------------------------------------------------------------- the units */
.course{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:3.2rem 0}
.unit-grid{
  max-width:var(--maxw);margin:0 auto;padding:0 1.25rem;display:grid;gap:.7rem;
  grid-template-columns:repeat(auto-fill,minmax(158px,1fr))
}
.ucard{border-radius:var(--r-lg);overflow:hidden;background:var(--bg);border:1px solid var(--line)}
.uc-photo{display:block;position:relative;aspect-ratio:4/3;background:var(--line-2)}
.uc-photo img{width:100%;height:100%;object-fit:cover}
.uc-veil{position:absolute;inset:0}
.uc-txt{display:block;padding:.55rem .7rem .7rem}
.uc-txt b{
  display:block;font-family:var(--display);font-size:1rem;font-weight:700;letter-spacing:-.02em
}
.uc-txt span{display:block;font-size:.78rem;color:var(--ink-2);margin-top:.1rem}

/* --------------------------------------------------------- customisation */
.compare{padding:3.2rem 0}
.compare-row{max-width:860px;margin:0 auto;padding:0 1.25rem;display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
@media(max-width:640px){.compare-row{grid-template-columns:1fr}}
.compare-card{border-radius:var(--r-lg);padding:1.2rem;border:1px solid}
.compare-card.no{background:var(--paper);border-color:var(--line);color:var(--ink-3)}
.compare-card.yes{background:var(--teal-50);border-color:var(--teal-100)}
.compare-card h4{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:.7rem;color:var(--ink-2)}

/* -------------------------------------------------------------- last call */
.final{
  max-width:640px;margin:0 auto;padding:3.4rem 1.25rem 3.8rem;text-align:center
}
.final h2{font-size:clamp(1.5rem,3.2vw,2.1rem);font-weight:800;letter-spacing:-.03em;margin-bottom:.6rem}
.final p{color:var(--ink-2);margin-bottom:1.4rem}
.foot{
  text-align:center;font-size:.82rem;color:var(--ink-3);
  padding:0 1.25rem 3rem;border-top:1px solid var(--line);padding-top:1.6rem;
  max-width:var(--maxw);margin:0 auto
}
.compare-card ul{margin:0;padding-left:1rem;font-size:.92rem}
.compare-card li{margin:.28rem 0}
.compare-card.no li{text-decoration:line-through}
.compare-card.yes li{color:var(--ink)}

/* ---------------------------------------------------------------- onboarding */
.ob-wrap{min-height:100vh;display:flex;flex-direction:column}
.ob-bar{position:sticky;top:0;z-index:20;background:var(--bg);padding:.9rem 1.25rem .7rem;border-bottom:1px solid var(--line)}
.ob-bar-inner{max-width:660px;margin:0 auto;display:flex;align-items:center;gap:.8rem}
.ob-back{background:none;border:0;font-size:1.4rem;line-height:1;color:var(--ink-3);cursor:pointer;padding:0 .3rem;border-radius:6px}
.ob-back:hover{color:var(--ink)}
.track{flex:1;height:9px;background:var(--line);border-radius:99px;overflow:hidden}
.track > i{display:block;height:100%;background:var(--teal-500);border-radius:99px;transition:width .35s cubic-bezier(.4,1.1,.5,1)}
.ob-step-n{font-size:.78rem;font-weight:600;color:var(--ink-3);min-width:40px;text-align:right}
.ob-body{flex:1;display:flex;align-items:flex-start;justify-content:center;padding:1.8rem 1.25rem 7rem}
.ob-card{max-width:660px;width:100%}
.ob-card h1{font-size:clamp(1.45rem,3.6vw,2rem);margin-bottom:.4rem}
.ob-card .lead{color:var(--ink-2);margin-bottom:1.4rem}
.ob-foot{position:fixed;bottom:0;left:0;right:0;background:var(--bg);border-top:1px solid var(--line);padding:.9rem 1.25rem;z-index:20}
.ob-foot-inner{max-width:660px;margin:0 auto;display:flex;gap:.75rem;align-items:center;justify-content:space-between}

.choices{display:grid;gap:.55rem}
.choices.two{grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}
.choice{
  display:flex;gap:.8rem;align-items:center;text-align:left;width:100%;
  background:var(--paper);border:1.5px solid var(--line);border-radius:var(--r-lg);
  padding:.85rem 1rem;cursor:pointer;transition:border-color .12s,background .12s
}
.choice:hover{border-color:var(--teal-500)}
.choice.sel{border-color:var(--teal-600);background:var(--teal-50);box-shadow:inset 0 0 0 1px var(--teal-600)}
.choice .em{font-size:1.5rem;line-height:1;flex:0 0 auto}
.choice .txt strong{display:block;font-size:.97rem;font-weight:600}
.choice .txt span{display:block;font-size:.83rem;color:var(--ink-2);line-height:1.4}
.choice .tick{margin-left:auto;color:var(--teal-600);opacity:0;flex:0 0 auto;font-weight:700}
.choice.sel .tick{opacity:1}
.choice.photo{padding:0;overflow:hidden;flex-direction:column;align-items:stretch}
.choice.photo .ph{aspect-ratio:16/9;background:var(--line-2);overflow:hidden}
.choice.photo .ph img{width:100%;height:100%;object-fit:cover}
.choice.photo .txt{padding:.8rem .9rem .9rem}

.hint{background:var(--teal-50);border:1px solid var(--teal-100);border-radius:var(--r);padding:.8rem .95rem;font-size:.88rem;color:var(--teal-800);margin-top:1.1rem}

/* ---------------------------------------------------------------- app shell */
.app{display:grid;grid-template-columns:236px 1fr;min-height:100vh}
.side{position:sticky;top:0;height:100vh;border-right:1px solid var(--line);background:var(--paper);padding:1.3rem .9rem;display:flex;flex-direction:column;gap:.15rem}
.side .wordmark{display:block;margin:0 .4rem 1.25rem}
.navlink{display:flex;align-items:center;gap:.65rem;padding:.6rem .75rem;border-radius:var(--r);font-weight:600;font-size:.93rem;color:var(--ink-2);cursor:pointer;border:0;background:none;width:100%;text-align:left}
.navlink .em{font-size:1.05rem}
.navlink:hover{background:var(--teal-50);color:var(--ink)}
.navlink.on{background:var(--teal-50);color:var(--teal-800)}
.side-foot{margin-top:auto;font-size:.78rem;color:var(--ink-3);padding:.5rem .75rem}
.main{padding:1.4rem clamp(1rem,3vw,2rem) 5rem;max-width:880px;width:100%}
.bottomnav{display:none}

@media(max-width:820px){
  .app{grid-template-columns:1fr}
  .side{display:none}
  .main{padding-bottom:6rem}
  .bottomnav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;bottom:0;left:0;right:0;background:var(--paper);border-top:1px solid var(--line);z-index:30;padding:.35rem .3rem calc(.35rem + env(safe-area-inset-bottom))}
  .bottomnav button{background:none;border:0;padding:.45rem .2rem;display:flex;flex-direction:column;align-items:center;gap:.1rem;font-size:.66rem;font-weight:600;color:var(--ink-3);cursor:pointer}
  .bottomnav button .em{font-size:1.2rem}
  .bottomnav button.on{color:var(--teal-700)}
}

.stats-strip{display:flex;gap:.45rem;flex-wrap:wrap;margin:0 0 1.2rem}
.stat{display:flex;align-items:center;gap:.35rem;background:var(--paper);border:1px solid var(--line);border-radius:99px;padding:.3rem .8rem;font-weight:600;font-size:.88rem}
.stat .em{font-size:.95rem}
.stat.gold{color:var(--amber)}
.stat.fire{color:var(--rose)}

.goalcard{display:flex;gap:1rem;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:1rem 1.1rem;margin-bottom:1rem}
.ring{--pct:0;width:58px;height:58px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;background:conic-gradient(var(--teal-500) calc(var(--pct)*1%),var(--line) 0);position:relative}
.ring::after{content:'';position:absolute;inset:6px;border-radius:50%;background:var(--paper)}
.ring b{position:relative;z-index:1;font-size:.82rem;font-weight:700}
.goalcard .g-txt strong{display:block;font-size:.98rem}
.goalcard .g-txt span{font-size:.86rem;color:var(--ink-2)}

.tripstrip{background:var(--teal-900);color:#dff5f2;border-radius:var(--r-lg);padding:1rem 1.2rem;margin-bottom:1rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.tripstrip .big{font-family:var(--display);font-size:1.9rem;font-weight:800;line-height:1;color:#fff}
.tripstrip .sm{font-size:.86rem;opacity:.82}

/* ---------------------------------------------------------------- units */
.unit{margin:0 0 1.9rem}
.unit-head{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--paper);margin-bottom:.9rem}
.unit-photo{aspect-ratio:21/6;background:var(--line-2);position:relative;overflow:hidden}
.unit-photo img{width:100%;height:100%;object-fit:cover}
.unit-photo .veil{position:absolute;inset:0;background:linear-gradient(to top,rgba(8,26,25,.88),rgba(8,26,25,.1) 70%)}
.unit-photo .cap{position:absolute;left:1rem;right:1rem;bottom:.75rem;color:#fff}
.unit-photo .cap .id{font-family:var(--display);font-size:1.4rem;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.unit-photo .cap .en{font-size:.82rem;opacity:.9}
.unit-body{padding:.85rem 1rem}
.unit-body p{font-size:.9rem;color:var(--ink-2);margin:0 0 .65rem}
.unit-meter{height:6px;background:var(--line);border-radius:99px;overflow:hidden}
.unit-meter i{display:block;height:100%;border-radius:99px;transition:width .4s}

.path{display:flex;flex-wrap:wrap;gap:.55rem}
.unit.shut .path{display:none}
.unit.shut{margin-bottom:.9rem}
.unit-foot{display:flex;justify-content:space-between;align-items:center;gap:.7rem;margin-top:.4rem}
.unit-toggle{
  background:none;border:0;padding:.15rem .1rem;cursor:pointer;
  color:var(--teal-700);font-size:.82rem;font-weight:650;text-decoration:underline;
  text-underline-offset:2px
}
.unit-toggle:hover{color:var(--teal-600)}
.node{width:58px;height:58px;border-radius:16px;border:1.5px solid var(--line);background:var(--paper);display:grid;place-items:center;cursor:pointer;box-shadow:0 3px 0 var(--line);position:relative;top:0;flex:0 0 auto;transition:top .06s,box-shadow .06s}
.node:active{top:3px;box-shadow:0 0 0 var(--line)}
.node .n{font-family:var(--display);font-weight:700;font-size:1.05rem;color:var(--ink-3)}
.node.done{background:var(--teal-600);border-color:var(--teal-800);box-shadow:0 3px 0 var(--teal-800)}
.node.done .n{color:#fff}
.node.next{border-color:var(--teal-600);box-shadow:0 3px 0 var(--teal-700);background:var(--teal-50)}
.node.next .n{color:var(--teal-800)}
.node.locked{opacity:.45;cursor:not-allowed}
.node .kind{position:absolute;top:4px;right:6px;font-size:.55rem;font-weight:700;letter-spacing:.04em;color:var(--ink-3);text-transform:uppercase}
.node.done .kind{color:rgba(255,255,255,.75)}
.node .flag{position:absolute;bottom:-7px;left:50%;transform:translateX(-50%);background:var(--amber);color:#fff;font-size:.55rem;font-weight:700;padding:.05rem .4rem;border-radius:99px;white-space:nowrap;border:2px solid var(--bg)}

/* ---------------------------------------------------------------- lesson */
.lesson-screen{position:fixed;inset:0;background:var(--bg);z-index:100;display:flex;flex-direction:column}
.lesson-top{padding:.9rem 1.25rem;display:flex;align-items:center;gap:.9rem;max-width:700px;margin:0 auto;width:100%}
.lesson-x{background:none;border:0;font-size:1.5rem;color:var(--ink-3);cursor:pointer;line-height:1;padding:0 .2rem}
.lesson-x:hover{color:var(--ink)}
.lesson-count{font-size:.8rem;font-weight:600;color:var(--ink-3);min-width:42px;text-align:right}
.lesson-mid{flex:1;overflow-y:auto;padding:.4rem 1.25rem 2rem}
.lesson-inner{max-width:700px;margin:0 auto;width:100%}

.q-kicker{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.11em;color:var(--ink-3);margin-bottom:.7rem}
.q-prompt{font-family:var(--display);font-size:clamp(1.35rem,3.4vw,1.8rem);font-weight:700;letter-spacing:-.03em;margin-bottom:.25rem}
.q-sub{font-size:.88rem;color:var(--ink-3);font-style:italic;margin-bottom:.9rem}
.q-photo{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:var(--line-2);margin:0 0 1rem;max-width:380px}
.q-photo img{width:100%;height:100%;object-fit:cover}

.speaker{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--teal-700);color:#fff;border:0;border-radius:var(--r);padding:.6rem 1rem;font-size:.92rem;font-weight:600;cursor:pointer;box-shadow:0 3px 0 var(--teal-900);margin-bottom:1rem}
.speaker:active{transform:translateY(3px);box-shadow:0 0 0 var(--teal-900)}
.speaker.small{padding:.45rem .8rem;font-size:.85rem}
.speaker.big{padding:1.7rem 2.6rem;font-size:1.8rem;border-radius:var(--r-lg)}

/* teach card */
.teach{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-xl);padding:1.5rem;text-align:center}
.teach-tag{display:inline-block;background:var(--teal-50);color:var(--teal-800);border:1px solid var(--teal-100);font-size:.68rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;padding:.2rem .6rem;border-radius:99px;margin-bottom:1rem}
.teach-photo{width:100%;max-width:300px;margin:0 auto 1.1rem;aspect-ratio:16/10;border-radius:var(--r-lg);overflow:hidden;background:var(--line-2)}
.teach-photo img{width:100%;height:100%;object-fit:cover}
.teach-id{font-family:var(--display);font-size:clamp(1.7rem,5vw,2.4rem);font-weight:800;letter-spacing:-.035em;line-height:1.1}
.teach-pron{color:var(--ink-3);font-style:italic;font-size:.95rem;margin-top:.15rem}
.teach-en{font-size:1.05rem;color:var(--ink-2);margin-top:.6rem;margin-bottom:1.1rem}
.teach-note{background:var(--teal-50);border-radius:var(--r);padding:.7rem .85rem;font-size:.87rem;color:var(--teal-800);margin-top:1rem;text-align:left}
.teach-frame{font-family:var(--display);font-size:clamp(1.5rem,4.4vw,2.1rem);font-weight:800;letter-spacing:-.03em;color:var(--teal-800)}
.teach-exlabel{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-3);font-weight:700;margin:1.3rem 0 .5rem}
.teach-exs{display:grid;gap:.45rem}
.teach-ex{display:flex;align-items:center;gap:.7rem;text-align:left;width:100%;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:.65rem .85rem;cursor:pointer}
.teach-ex:hover{border-color:var(--teal-500)}
.teach-ex .ex-id{font-weight:700;font-size:.98rem}
.teach-ex .ex-en{color:var(--ink-2);font-size:.87rem;margin-left:auto;text-align:right}
.teach-ex .ex-spk{color:var(--teal-600);font-size:.8rem}

.opts{display:grid;gap:.5rem}
.opt{text-align:left;background:var(--paper);border:1.5px solid var(--line);border-radius:var(--r);padding:.85rem 1rem;font-weight:500;cursor:pointer;transition:border-color .1s,background .1s}
.opt:hover:not([disabled]){border-color:var(--teal-500)}
.opt.sel{border-color:var(--teal-600);background:var(--teal-50)}
.opt.right{border-color:var(--teal-600);background:var(--teal-50);font-weight:650}
.opt.wrong{border-color:var(--rose);background:var(--rose-bg)}
.opt[disabled]{cursor:default}

.build-line{min-height:58px;border-bottom:2px dashed var(--line);margin-bottom:1.1rem;padding:.45rem 0;display:flex;flex-wrap:wrap;gap:.4rem;align-content:flex-start;align-items:center}
.build-hint{color:var(--ink-3);font-size:.88rem}
.bank{display:flex;flex-wrap:wrap;gap:.4rem}
.chip{background:var(--paper);border:1.5px solid var(--line);border-radius:9px;padding:.45rem .75rem;font-weight:600;font-size:.94rem;cursor:pointer;box-shadow:0 2px 0 var(--line);position:relative;top:0}
.chip:active{top:2px;box-shadow:0 0 0 var(--line)}
.chip.ghost{opacity:.25;pointer-events:none}

.fb{position:sticky;bottom:0;border-top:1px solid var(--line);padding:.9rem 1.25rem calc(.9rem + env(safe-area-inset-bottom));background:var(--paper)}
.fb-inner{max-width:700px;margin:0 auto;display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
.fb.good{background:var(--teal-50);border-color:var(--teal-100)}
.fb.bad{background:var(--rose-bg);border-color:#f6ccd6}
.fb-msg{flex:1;min-width:190px}
.fb-msg strong{display:block;font-size:1rem}
.fb-msg > span{font-size:.92rem;color:var(--ink-2)}
.fb-note{font-size:.84rem;color:var(--ink-2);background:rgba(255,255,255,.75);border-radius:8px;padding:.45rem .6rem;margin-top:.45rem}
.fb-again{font-size:.8rem;color:var(--ink-3);margin-top:.35rem}

.result{max-width:480px;margin:0 auto;text-align:center;padding:2.5rem 0}
.result h1{font-size:2rem;margin-bottom:.3rem}
.result-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;margin:1.4rem 0}
.tile{border-radius:var(--r);border:1px solid var(--line);background:var(--paper);padding:.8rem .4rem}
.tile b{display:block;font-family:var(--display);font-size:1.35rem;letter-spacing:-.03em}
.tile span{font-size:.66rem;text-transform:uppercase;letter-spacing:.09em;color:var(--ink-3);font-weight:600}
.tile.gold b{color:var(--amber)}.tile.fire b{color:var(--rose)}.tile.sea b{color:var(--teal-700)}

/* ---------------------------------------------------------------- phrasebook */
.pb-unit{margin-bottom:1.8rem}
.pb-title{display:flex;align-items:center;gap:.5rem;margin-bottom:.7rem}
.pb-title .swatch{width:10px;height:10px;border-radius:3px}
.pb-title h3{font-size:1.05rem}
.pb-title .en{font-size:.82rem;color:var(--ink-3)}
.pcard{display:flex;gap:.8rem;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:.6rem .75rem;margin-bottom:.4rem;cursor:pointer}
.pcard:hover{border-color:var(--teal-500)}
.pcard .thumb{width:46px;height:46px;border-radius:9px;overflow:hidden;background:var(--line-2);flex:0 0 auto}
.pcard .thumb img{width:100%;height:100%;object-fit:cover}
.pcard .body{flex:1;min-width:0}
.pcard .id{font-weight:650;font-size:.97rem}
.pcard .en{font-size:.87rem;color:var(--ink-2)}
.pcard .pron{font-size:.76rem;color:var(--ink-3);font-style:italic}
.pcard .note{font-size:.8rem;color:var(--ink-2);background:var(--bg);border-radius:7px;padding:.35rem .55rem;margin-top:.35rem}
.pcard .exs{font-size:.82rem;color:var(--ink-2);margin-top:.3rem}
.pcard .exs i{color:var(--teal-700);font-style:normal;font-weight:600}
.badge-ess{display:inline-block;background:var(--amber);color:#fff;font-size:.58rem;font-weight:700;padding:.05rem .4rem;border-radius:99px;text-transform:uppercase;letter-spacing:.06em;margin-left:.35rem;vertical-align:middle}
.badge-kind{display:inline-block;background:var(--line-2);color:var(--ink-2);font-size:.58rem;font-weight:700;padding:.05rem .4rem;border-radius:99px;text-transform:uppercase;letter-spacing:.06em;margin-left:.35rem;vertical-align:middle}
.dots{display:inline-flex;gap:2px;margin-left:.4rem;vertical-align:middle}
.dots i{width:5px;height:5px;border-radius:50%;background:var(--line);display:block}
.dots i.on{background:var(--teal-500)}

/* ---------------------------------------------------------------- progress */
.chart{display:flex;align-items:flex-end;gap:.4rem;height:150px;padding:.4rem 0 0;margin-bottom:.3rem}
.chart .col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:.3rem;height:100%}
.chart .bar{width:100%;border-radius:6px 6px 3px 3px;background:var(--teal-500);min-height:4px;transition:height .4s}
.chart .lab{font-size:.7rem;font-weight:600;color:var(--ink-3)}
.chart .val{font-size:.66rem;font-weight:700;color:var(--ink-2)}
.ach-grid{display:grid;gap:.5rem;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.ach{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:.8rem;text-align:center;opacity:.5}
.ach.on{opacity:1;border-color:var(--teal-500)}
.ach .em{font-size:1.5rem;line-height:1}
.ach b{display:block;font-size:.87rem;margin-top:.25rem}
.ach span{font-size:.72rem;color:var(--ink-3)}

.kv{display:grid;grid-template-columns:auto 1fr;gap:.4rem .9rem;font-size:.92rem}
.kv dt{font-weight:600;color:var(--ink-2)}
.kv dd{margin:0}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:1.1rem;margin-bottom:.9rem}
.pill-row{display:flex;flex-wrap:wrap;gap:.35rem}
.pill{background:var(--paper);border:1.5px solid var(--line);border-radius:99px;padding:.25rem .75rem;font-size:.85rem;font-weight:600;cursor:pointer}
.pill.on{background:var(--teal-50);border-color:var(--teal-600);color:var(--teal-800)}

.empty{text-align:center;padding:2.5rem 1rem;color:var(--ink-3)}
.spinner{width:30px;height:30px;border:3px solid var(--line);border-top-color:var(--teal-600);border-radius:50%;animation:spin .7s linear infinite;margin:3rem auto}
@keyframes spin{to{transform:rotate(360deg)}}
.pop{animation:pop .3s cubic-bezier(.3,1.5,.5,1)}
@keyframes pop{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}
.shake{animation:shake .3s}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms !important;transition-duration:.001ms !important}}

/* ---------------------------------------------------------------- my words */
.mn-card{margin-top:1.1rem;padding-top:1.1rem;border-top:1px solid var(--line)}
.mn-note{
  font-size:.86rem;line-height:1.5;padding:.6rem .8rem;border-radius:var(--r);
  background:var(--amber-bg);color:var(--amber);border:1px solid #f0dcb8;margin-bottom:.9rem
}
.mn-note.good{background:var(--teal-50);color:var(--teal-800);border-color:var(--teal-100)}
.mn-err{
  font-size:.86rem;padding:.6rem .8rem;border-radius:var(--r);margin-top:.8rem;
  background:var(--rose-bg);color:var(--rose);border:1px solid #f4cdd8
}
.mn-row{position:relative;padding-right:2.6rem}
.mn-del{
  position:absolute;top:50%;right:.6rem;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  background:var(--paper);color:var(--ink-3);font-size:1.05rem;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center
}
.mn-del:hover{border-color:var(--rose);color:var(--rose)}

/* -------------------------------------------------------- revise a unit */
.node.revise{
  border-style:dashed;border-color:var(--teal-500);background:var(--teal-50);
  color:var(--teal-800)
}
.node.revise .n{font-size:1.4rem;line-height:1;color:var(--teal-700)}
.node.revise .kind{color:var(--teal-600)}
.node.revise:hover{background:var(--teal-100)}
.node.revise.off{
  border-color:var(--line);background:var(--paper);
  cursor:default;pointer-events:none;opacity:.6
}
.node.revise.off .n,.node.revise.off .kind{color:var(--ink-3)}