/* Kente's Classroom — warm classroom theme, mobile-first. No frameworks. */
:root{
  --bg:#FFF6E9; --card:#FFFFFF; --ink:#3A2A18; --ink-soft:#7A6248;
  --accent:#E8830C; --accent-dark:#B85C14; --green:#0E7C5B; --red:#C0392B;
  --gold:#F2B705; --line:#F0DFC2; --bubble:#FFFDF7;
  --radius:18px; --tap:52px;
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:17px; line-height:1.5; min-height:100vh;
}
#app{max-width:600px;margin:0 auto;padding:12px 14px 90px;}
h1,h2,h3{line-height:1.25;margin:.4em 0;}
button{font:inherit;cursor:pointer;}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;}

/* ---------- header ---------- */
.topbar{display:flex;align-items:center;gap:10px;padding:6px 2px 10px;}
.topbar .spacer{flex:1;}
.chip{display:inline-block;background:#FBEEDC;border:1px solid var(--line);border-radius:999px;
  padding:4px 12px;font-size:14px;font-weight:600;color:var(--ink-soft);}
.iconbtn{background:var(--card);border:2px solid var(--line);border-radius:14px;min-width:var(--tap);
  min-height:var(--tap);font-size:22px;display:flex;align-items:center;justify-content:center;}
.iconbtn:active{transform:scale(.94);}

/* ---------- cards & buttons ---------- */
.card{background:var(--card);border:2px solid var(--line);border-radius:var(--radius);
  padding:18px;margin:12px 0;box-shadow:0 2px 10px rgba(184,92,20,.07);}
.btn{display:block;width:100%;min-height:var(--tap);border:none;border-radius:16px;
  font-size:18px;font-weight:700;padding:12px 16px;margin:8px 0;color:#fff;
  background:var(--accent);box-shadow:0 3px 0 var(--accent-dark);}
.btn:active{transform:translateY(2px);box-shadow:none;}
.btn.secondary{background:#fff;color:var(--ink);border:2px solid var(--line);box-shadow:none;font-weight:600;}
.btn.green{background:var(--green);box-shadow:0 3px 0 #0a5c44;}
.btn.ghost{background:transparent;color:var(--ink-soft);box-shadow:none;font-weight:600;font-size:15px;min-height:44px;}
.btnrow{display:flex;gap:8px;}.btnrow .btn{margin:8px 0;}
.opt{display:flex;gap:12px;align-items:flex-start;text-align:left;background:var(--bubble);
  border:2px solid var(--line);border-radius:14px;min-height:var(--tap);padding:12px 14px;
  font-size:17px;width:100%;margin:8px 0;color:var(--ink);}
.opt:active{border-color:var(--accent);}
.opt .letter{flex:0 0 34px;height:34px;border-radius:50%;background:#FBEEDC;color:var(--accent-dark);
  font-weight:800;display:flex;align-items:center;justify-content:center;}
.opt.picked{border-color:var(--accent);background:#FFF3DF;}
.opt.right{border-color:var(--green);background:#EAF7F1;}
.opt.wrongpick{border-color:var(--red);background:#FBEDEA;}
input[type=text],textarea,select{
  width:100%;font:inherit;padding:12px 14px;border:2px solid var(--line);border-radius:14px;
  background:#fff;color:var(--ink);min-height:var(--tap);}
textarea{min-height:110px;resize:vertical;}
label.lbl{display:block;font-weight:700;margin:10px 0 4px;}
.pillrow{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0;}
.pill{border:2px solid var(--line);background:#fff;border-radius:999px;padding:10px 16px;
  font-weight:700;font-size:15px;color:var(--ink-soft);min-height:48px;}
.pill.on{background:var(--ink);color:#fff;border-color:var(--ink);}
.modecard{border:2px solid var(--line);border-radius:var(--radius);padding:16px;margin:10px 0;
  background:#fff;text-align:left;width:100%;color:var(--ink);}
.modecard h3{margin:0 0 4px;font-size:19px;}
.modecard p{margin:0;color:var(--ink-soft);font-size:15px;}
.modecard.picked{border-color:var(--accent);background:#FFF8EC;box-shadow:0 0 0 2px var(--accent);}
.small{font-size:14px;color:var(--ink-soft);}
.center{text-align:center;}
.streak{font-size:15px;font-weight:700;color:var(--accent-dark);}

/* ---------- kente avatar ---------- */
#kente-stage{display:flex;justify-content:center;padding:8px 0 0;position:relative;}
#kenteAvatar{width:150px;height:172px;position:relative;}
#kenteAvatar svg{width:100%;height:100%;display:block;overflow:visible;}
#kenteAvatar .micpulse{position:absolute;inset:-8px;border-radius:50%;border:4px solid var(--accent);
  opacity:0;pointer-events:none;}
#kenteAvatar.av-listening .micpulse{animation:pulse 1.2s ease-out infinite;}
@keyframes pulse{0%{transform:scale(.7);opacity:.9;}100%{transform:scale(1.25);opacity:0;}}
#kente{transform-box:view-box;}
#kenteAvatar.av-idle #kente{animation:breathe 3.4s ease-in-out infinite;transform-origin:120px 150px;}
@keyframes breathe{0%,100%{transform:scale(1);}50%{transform:scale(1.035);}}
#kente-ear-l,#kente-ear-r{transform-box:fill-box;transform-origin:center;transition:transform .25s ease;}
#kenteAvatar.av-listening #kente-ear-l{transform:rotate(-22deg) translateY(-4px);}
#kenteAvatar.av-listening #kente-ear-r{transform:rotate(22deg) translateY(-4px);}
#kente-head{transform-box:fill-box;transform-origin:center 70%;transition:transform .4s ease;}
#kenteAvatar.av-thinking #kente-head{transform:rotate(10deg);}
#kenteAvatar.av-celebrating #kente{animation:bounce .55s ease-in-out infinite;transform-origin:120px 260px;}
@keyframes bounce{0%,100%{transform:translateY(0);}50%{transform:translateY(-16px);}}
#kente-paw{transform-box:fill-box;transform-origin:20% 20%;}
#kenteAvatar.av-explaining #kente-paw{animation:wave .9s ease-in-out infinite;}
@keyframes wave{0%,100%{transform:rotate(0deg);}50%{transform:rotate(-32deg);}}
.confetti{position:absolute;width:9px;height:14px;top:20px;left:50%;border-radius:2px;
  pointer-events:none;animation:fall 1.5s ease-in forwards;z-index:5;}
@keyframes fall{to{transform:translate(var(--dx),190px) rotate(540deg);opacity:0;}}

/* ---------- speech bubble ---------- */
#bubble{background:var(--bubble);border:2px solid var(--line);border-radius:var(--radius);
  border-top-left-radius:6px;padding:14px 16px;margin:6px 4px 12px;font-size:18px;position:relative;}
#bubble:before{content:"";position:absolute;top:-10px;left:34px;border:10px solid transparent;
  border-bottom-color:var(--line);border-top:0;}
#bubble .who{font-size:13px;font-weight:800;color:var(--accent-dark);letter-spacing:.06em;margin-bottom:4px;}

/* ---------- question ---------- */
#qcard .meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px;}
#qcard .stem{font-size:19px;font-weight:600;margin:6px 0 12px;white-space:pre-wrap;}
#timerbar{height:10px;background:#F3E7D0;border-radius:99px;overflow:hidden;margin:8px 0;}
#timerbar>div{height:100%;background:var(--accent);width:100%;transition:width 1s linear;}
#timerbar.low>div{background:var(--red);}

/* ---------- answer bar ---------- */
#answerbar{display:flex;gap:8px;margin:10px 0;align-items:stretch;}
#answerbar input{flex:1;}
#answerbar .iconbtn{flex:0 0 var(--tap);}
.sendbtn{flex:0 0 auto;background:var(--green);color:#fff;border:none;border-radius:14px;
  padding:0 22px;font-weight:800;font-size:17px;min-height:var(--tap);box-shadow:0 3px 0 #0a5c44;}

/* ---------- ask kente ---------- */
#askkente{margin:18px 0 0;}
#askkente .thread{max-height:260px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;margin:10px 0;}
.msg{background:#F6EFE2;border-radius:14px;padding:10px 14px;font-size:16px;max-width:92%;}
.msg.kid{align-self:flex-end;background:#E7F3EE;}
.msg.kente{align-self:flex-start;background:#FFF3DF;border:1px solid var(--line);}

/* ---------- recap ---------- */
.scorebig{font-size:56px;font-weight:900;color:var(--accent-dark);margin:4px 0;}
.topicrow{display:flex;justify-content:space-between;padding:8px 4px;border-bottom:1px dashed var(--line);font-size:16px;}
.footer{position:fixed;left:0;right:0;bottom:0;background:#FFFDF7;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-soft);padding:8px 14px;text-align:center;z-index:10;}
#offline-banner{background:var(--ink);color:#fff;text-align:center;font-size:14px;padding:8px;position:sticky;top:0;z-index:20;}
.noscript{padding:40px;text-align:center;}
.toast{background:var(--ink);color:#fff;border-radius:12px;padding:10px 16px;position:fixed;
  left:50%;transform:translateX(-50%);bottom:70px;z-index:30;font-size:15px;max-width:90%;text-align:center;}
.progress{font-size:14px;font-weight:700;color:var(--ink-soft);}
@media (min-width:640px){ #app{padding-top:20px;} #kenteAvatar{width:170px;height:195px;} }