/* ===== Poliglot — E-Modul Interaktif 7 Bahasa ===== */
*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#f6f7fb; --bg-soft:#ffffff; --card:#ffffff; --line:#e6e8f0;
  --text:#171a2b; --muted:#646b8a; --brand:#4f46e5; --brand-2:#7c3aed;
  --accent:#0ea5e9; --ok:#16a34a; --warn:#d97706; --bad:#dc2626;
  --gold:#eab308; --shadow:0 1px 2px rgba(16,20,40,.06),0 8px 24px rgba(16,20,40,.06);
  --r:16px; --r-sm:10px; --maxw:1140px;
  --font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  --scale:1;
}
:root[data-theme="dark"]{
  --bg:#0e1020; --bg-soft:#161a2f; --card:#161a2f; --line:#262c47;
  --text:#eef0fb; --muted:#a2a9c9; --brand:#8b8cf7; --brand-2:#a78bfa;
  --accent:#38bdf8; --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
}
:root[data-age="anak"]{ --brand:#f97316; --brand-2:#ef4444; --accent:#22c55e; --r:22px; --scale:1.06 }
:root[data-age="remaja"]{ --brand:#6366f1; --brand-2:#ec4899; --accent:#06b6d4 }
:root[data-age="dewasa"]{ --brand:#0f766e; --brand-2:#1d4ed8; --accent:#0891b2; --r:12px }

html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:calc(15px*var(--scale));line-height:1.6;-webkit-text-size-adjust:100%}
img{max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand)}
.boot{padding:60px 20px;text-align:center;color:var(--muted)}

/* ---------- Layout ---------- */
.app{min-height:100vh;display:flex;flex-direction:column}
.shell{display:flex;flex:1;width:100%;max-width:var(--maxw);margin:0 auto;gap:18px;padding:0 14px 96px}
.side{display:none;flex:0 0 232px;padding:18px 0}
.main{flex:1;min-width:0;padding:14px 0 20px}
@media(min-width:900px){
  .side{display:block;position:sticky;top:70px;align-self:flex-start;height:max-content}
  .shell{padding-bottom:24px}
  .tabbar{display:none!important}
}

/* ---------- Topbar ---------- */
.topbar{position:sticky;top:0;z-index:40;background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff}
.topbar-in{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:12px;padding:10px 14px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:.2px}
.brand .logo{width:32px;height:32px;border-radius:10px;background:rgba(255,255,255,.2);display:grid;place-items:center;font-size:18px}
.brand small{display:block;font-weight:500;opacity:.85;font-size:11px;letter-spacing:.4px;white-space:nowrap}
@media(max-width:420px){.brand small{display:none}.brand{font-size:15px}}
.spacer{flex:1}
.chip{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.25);
  color:#fff;border-radius:999px;padding:5px 11px;font-size:12.5px;font-weight:600;cursor:pointer}
.chip.plain{background:var(--bg-soft);border-color:var(--line);color:var(--text)}
.icon-btn{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:10px;
  width:34px;height:34px;display:grid;place-items:center;cursor:pointer}

/* ---------- Nav ---------- */
.nav{display:flex;flex-direction:column;gap:4px}
.nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;text-decoration:none;
  color:var(--muted);font-weight:600;font-size:14px;cursor:pointer}
.nav a.active{background:var(--card);color:var(--brand);box-shadow:var(--shadow)}
.nav a:hover{color:var(--text)}
.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:50;background:var(--bg-soft);border-top:1px solid var(--line);
  display:flex;justify-content:space-around;padding:6px 4px calc(6px + env(safe-area-inset-bottom))}
.tabbar a{flex:1;text-align:center;font-size:10.5px;color:var(--muted);text-decoration:none;padding:4px 2px;cursor:pointer;font-weight:600}
.tabbar a span{display:block;font-size:19px;line-height:1.1}
.tabbar a.active{color:var(--brand)}

/* ---------- Cards & bits ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;box-shadow:var(--shadow);margin-bottom:14px}
.card.tight{padding:12px}
.card h2,.card h3{margin:0 0 8px}
h1{font-size:calc(22px*var(--scale));margin:2px 0 14px}
h2{font-size:calc(18px*var(--scale))}
h3{font-size:calc(15.5px*var(--scale))}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.between{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}
.hr{height:1px;background:var(--line);margin:14px 0;border:0}
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11.5px;font-weight:700;background:var(--bg);border:1px solid var(--line);color:var(--muted)}
.badge.ok{background:rgba(22,163,74,.12);color:var(--ok);border-color:transparent}
.badge.warn{background:rgba(217,119,6,.14);color:var(--warn);border-color:transparent}
.badge.bad{background:rgba(220,38,38,.12);color:var(--bad);border-color:transparent}
.badge.brand{background:rgba(79,70,229,.12);color:var(--brand);border-color:transparent}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff;border:0;
  border-radius:12px;padding:11px 16px;font-weight:700;font-size:14px;cursor:pointer;transition:transform .06s ease,filter .15s}
.btn:hover{filter:brightness(1.06)} .btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.soft{background:rgba(79,70,229,.12);color:var(--brand)}
.btn.ok{background:var(--ok)} .btn.bad{background:var(--bad)} .btn.warn{background:var(--warn)}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:10px}
.btn.block{width:100%}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}

/* ---------- Forms ---------- */
label{display:block;font-size:13px;font-weight:700;margin:10px 0 5px}
input,select,textarea{width:100%;background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:11px 12px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
textarea{min-height:110px;resize:vertical}

/* ---------- Progress ---------- */
.bar{height:9px;border-radius:999px;background:var(--line);overflow:hidden}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--accent));border-radius:999px;transition:width .4s}
.ring{--p:0;width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;
  background:conic-gradient(var(--brand) calc(var(--p)*1%),var(--line) 0)}
.ring>b{width:50px;height:50px;border-radius:50%;background:var(--card);display:grid;place-items:center}

/* ---------- Login ---------- */
.login{min-height:100vh;display:grid;place-items:center;padding:22px;
  background:radial-gradient(1200px 600px at 15% -10%,rgba(124,58,237,.35),transparent),
             radial-gradient(900px 500px at 110% 10%,rgba(14,165,233,.32),transparent),var(--bg)}
.login-card{width:100%;max-width:960px;background:var(--card);border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--shadow);overflow:hidden;display:grid;grid-template-columns:1fr}
@media(min-width:860px){.login-card{grid-template-columns:1.05fr .95fr}}
.login-hero{padding:30px;background:linear-gradient(150deg,var(--brand),var(--brand-2));color:#fff}
.login-hero h1{font-size:26px;margin:0 0 8px}
.login-hero ul{margin:14px 0 0;padding-left:18px}
.login-hero li{margin:6px 0;opacity:.95;font-size:14px}
.login-form{padding:26px}
.tabs{display:flex;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:4px;gap:4px;margin-bottom:12px}
.tabs button{flex:1;background:transparent;border:0;border-radius:9px;padding:9px;font-weight:700;font-size:13.5px;color:var(--muted);cursor:pointer}
.tabs button.active{background:var(--card);color:var(--brand);box-shadow:var(--shadow)}

/* ---------- Lists / tables ---------- */
.list{display:flex;flex-direction:column;gap:8px}
.item{display:flex;gap:12px;align-items:center;padding:11px 12px;border:1px solid var(--line);border-radius:14px;background:var(--bg-soft)}
.item .grow{flex:1;min-width:0}
.item .grow b{display:block}
.avatar{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#fff;
  background:linear-gradient(140deg,var(--brand),var(--accent));flex:none}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px}
table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:640px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:var(--bg);font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:rgba(79,70,229,.05)}

/* ---------- Lesson ---------- */
.steps{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;margin-bottom:12px}
.step{flex:none;display:flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg-soft);font-size:12.5px;font-weight:700;color:var(--muted);cursor:pointer}
.step.active{background:var(--brand);color:#fff;border-color:transparent}
.step.done{color:var(--ok);border-color:rgba(22,163,74,.4)}
.vocab{display:flex;gap:12px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--bg-soft);margin-bottom:8px}
.vocab .term{font-size:calc(17px*var(--scale));font-weight:800}
.vocab .read{color:var(--accent);font-size:13px;font-weight:600}
.rtl{direction:rtl;text-align:right;font-size:1.25em}
.ex{border-left:3px solid var(--brand);padding:4px 0 4px 10px;margin-top:7px}
.opt{display:block;width:100%;text-align:left;padding:11px 13px;border:1px solid var(--line);border-radius:12px;background:var(--bg-soft);margin-bottom:8px;cursor:pointer;font-weight:600}
.opt:hover{border-color:var(--brand)}
.opt.correct{border-color:var(--ok);background:rgba(22,163,74,.12)}
.opt.wrong{border-color:var(--bad);background:rgba(220,38,38,.1)}
.opt.picked{border-color:var(--brand)}
.dialog-line{display:flex;gap:10px;margin-bottom:10px}
.dialog-line .who{flex:none;font-weight:800;color:var(--brand);min-width:76px;font-size:13px}
.chat{display:flex;flex-direction:column;gap:10px;max-height:52vh;overflow-y:auto;padding:4px}
.msg{max-width:86%;padding:10px 13px;border-radius:16px;font-size:14px;white-space:pre-wrap;word-break:break-word}
.msg.me{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:5px}
.msg.ai{align-self:flex-start;background:var(--bg-soft);border:1px solid var(--line);border-bottom-left-radius:5px}
.mic{width:74px;height:74px;border-radius:50%;border:0;background:linear-gradient(140deg,var(--brand),var(--brand-2));color:#fff;font-size:28px;cursor:pointer;box-shadow:var(--shadow)}
.mic.rec{animation:pulse 1.1s infinite;background:linear-gradient(140deg,var(--bad),#f97316)}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(220,38,38,.5)}70%{box-shadow:0 0 0 18px rgba(220,38,38,0)}100%{box-shadow:0 0 0 0 rgba(220,38,38,0)}}
.flag{font-size:26px}
.lang-card{cursor:pointer;text-align:left}
.lang-card:hover{border-color:var(--brand)}
.stat{background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:12px}
.stat b{display:block;font-size:calc(22px*var(--scale));line-height:1.2}
.stat span{font-size:12px;color:var(--muted)}
.rank{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font-weight:800;background:var(--bg);border:1px solid var(--line);flex:none}
.rank.g1{background:var(--gold);color:#3a2c00;border:0}
.rank.g2{background:#cbd5e1;color:#26303f;border:0}
.rank.g3{background:#d6a06a;color:#3a2200;border:0}

/* ---------- Toast & modal ---------- */
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:84px;z-index:80;background:var(--text);color:var(--bg);
  padding:11px 16px;border-radius:12px;font-weight:700;font-size:13.5px;box-shadow:var(--shadow);max-width:92vw;text-align:center}
.modal{position:fixed;inset:0;z-index:90;background:rgba(8,10,24,.55);display:grid;place-items:center;padding:18px}
.modal-card{background:var(--card);border-radius:20px;padding:20px;max-width:520px;width:100%;max-height:86vh;overflow:auto;box-shadow:var(--shadow)}
.confetti{font-size:44px;text-align:center;animation:pop .5s ease}
@keyframes pop{from{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}
.print-only{display:none}
@media print{
  .topbar,.tabbar,.side,.btn,.no-print{display:none!important}
  body{background:#fff} .print-only{display:block}
  .card{box-shadow:none;border:1px solid #ccc}
}

/* Elemen tersembunyi wajib benar-benar hilang (display:grid/flex mengalahkan atribut hidden) */
[hidden]{display:none!important}