:root{--ink:#121a31;--muted:#66708a;--blue:#3b82f6;--cyan:#06b6d4;--green:#22c55e;--yellow:#facc15;--orange:#fb923c;--pink:#f472b6;--purple:#8b5cf6;--red:#ef4444;--glass:rgba(255,255,255,.80);--line:rgba(255,255,255,.78);--soft:#e5e7eb;--shadow:0 24px 70px rgba(37,99,235,.18);--softShadow:0 14px 34px rgba(15,23,42,.12)}
*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;color:var(--ink);background:radial-gradient(circle at 12% 5%,#fff4a3 0 8%,transparent 18%),radial-gradient(circle at 88% 9%,#ffd4ea 0 10%,transparent 23%),radial-gradient(circle at 18% 92%,#bbf7d0 0 10%,transparent 23%),linear-gradient(135deg,#bfeeff 0%,#effcff 48%,#fff3c4 100%);overflow-x:hidden}button,input,select{font:inherit}button{border:0;cursor:pointer}.ambient:before,.ambient:after{content:"";position:fixed;inset:0;pointer-events:none;background-image:radial-gradient(#fff 1.4px,transparent 2px);background-size:86px 86px;opacity:.28;animation:drift 25s linear infinite}.ambient:after{background-size:145px 145px;opacity:.18;animation-duration:38s}@keyframes drift{to{transform:translateY(90px)}}.app{max-width:1320px;margin:0 auto;padding:18px;position:relative;z-index:1}.topbar,.control-center,.main-tabs,.hero,.daily-card,.selector-card,.teacher-card,.history-card,.play-head,.coach-line,.activity-board,.play-sidebar,.voice-card,.report-card,.review-card{background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(18px);box-shadow:var(--shadow)}.topbar{display:flex;justify-content:space-between;align-items:center;gap:14px;border-radius:34px;padding:16px}.brand{display:flex;gap:14px;align-items:center}.brand-icon{width:78px;height:78px;border-radius:30px;display:grid;place-items:center;font-size:43px;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:var(--softShadow)}.brand h1{margin:0;font-size:30px}.brand p{margin:4px 0 0;color:var(--muted)}.profile{display:flex;gap:10px;align-items:center;justify-content:flex-end;flex-wrap:wrap}.profile input{width:180px;padding:14px 15px;border-radius:20px;border:1px solid rgba(37,99,235,.16);background:#fff;outline:none;font-weight:850}.stat{min-width:88px;padding:10px 12px;border-radius:22px;text-align:center;background:#fff;box-shadow:0 8px 22px rgba(15,23,42,.08)}.stat b{display:block;font-size:24px;color:var(--blue)}.stat span{font-size:12px;color:var(--muted)}
.control-center{margin-top:14px;padding:14px;border-radius:34px;display:grid;grid-template-columns:1fr 1.45fr;gap:14px}.selector-card{border-radius:28px;padding:16px;background:rgba(255,255,255,.62)}.mini-label,.badge{display:inline-flex;width:max-content;padding:7px 12px;border-radius:999px;background:#e0f2fe;color:#0369a1;font-size:12px;font-weight:1000}.selector-card h2{margin:8px 0 14px;font-size:24px}.grade-buttons,.mode-buttons{display:flex;gap:8px;flex-wrap:wrap}.grade-btn,.mode-btn{padding:12px 14px;border-radius:18px;background:#fff;color:#43506a;font-weight:1000;box-shadow:0 8px 18px rgba(15,23,42,.07)}.grade-btn.active,.mode-btn.active{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff}.main-tabs{margin-top:14px;border-radius:26px;padding:8px;display:flex;gap:8px;flex-wrap:wrap}.tab{flex:1;min-width:125px;padding:13px 14px;border-radius:20px;background:transparent;color:#43506a;font-weight:950}.tab.active,.tab:hover{background:#fff;color:var(--blue);box-shadow:0 8px 22px rgba(15,23,42,.07)}.screen{display:none}.screen.active{display:block}
.hero{margin-top:18px;border-radius:42px;padding:32px;display:grid;grid-template-columns:1.35fr .82fr;gap:18px;background:linear-gradient(135deg,rgba(59,130,246,.96),rgba(6,182,212,.92),rgba(34,197,94,.88));color:#fff}.hero .badge{background:rgba(255,255,255,.19);border:1px solid rgba(255,255,255,.32);color:#fff}.badge.dark{background:#e0f2fe;color:#0369a1;border-color:#bae6fd}.hero h2{font-size:45px;line-height:1.1;margin:18px 0 12px}.hero p{font-size:18px;line-height:1.75;margin:0;opacity:.96}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.big{font-size:18px;padding:17px 24px!important}.primary,.ghost,.soft,.success,.danger,.back-btn{border-radius:22px;padding:14px 19px;font-weight:1000}.primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;box-shadow:var(--softShadow)}.ghost{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.34);color:#fff}.soft{background:#fff;color:var(--blue);box-shadow:var(--softShadow)}.success{background:linear-gradient(135deg,#16a34a,#22c55e);color:#fff}.danger{background:#fee2e2;color:#b91c1c;margin-top:12px}.full{width:100%}.coach-card{border-radius:34px;padding:22px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);text-align:center}.coach-face{font-size:86px}.coach-card h3{font-size:26px;margin:8px 0}.coach-card p{font-size:15px}.coach-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.coach-stats div{background:rgba(255,255,255,.18);border-radius:20px;padding:12px}.coach-stats b{display:block;font-size:26px}.coach-stats span{font-size:12px}
.dashboard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:16px}.daily-card{border-radius:30px;padding:18px}.daily-card h3{margin:0 0 5px}.daily-card p{margin:0 0 12px;color:var(--muted);line-height:1.55}.daily-card select,.voice-card select,.voice-card input[type=range]{width:100%;padding:12px;border-radius:16px;border:1px solid var(--soft);background:#fff}.bar,.progress{height:14px;border-radius:999px;background:rgba(255,255,255,.7);overflow:hidden;box-shadow:inset 0 0 0 1px rgba(255,255,255,.5)}.bar i,.progress i{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--green),var(--yellow),var(--orange));transition:.25s}.section-title{margin:28px 0 14px}.section-title h3{font-size:30px;margin:0 0 6px}.section-title p{margin:0;color:var(--muted)}.topic-grid,.report-grid,.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.topic-card{position:relative;overflow:hidden;border-radius:34px;padding:20px;background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.86);box-shadow:var(--shadow);transition:.16s transform}.topic-card:hover{transform:translateY(-7px)}.topic-card:before{content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;background:linear-gradient(135deg,var(--c1),var(--c2));opacity:.18}.topic-icon{width:78px;height:78px;border-radius:30px;display:grid;place-items:center;font-size:42px;background:linear-gradient(135deg,var(--c1),var(--c2));box-shadow:var(--softShadow)}.topic-card h4{font-size:22px;margin:16px 0 8px}.topic-card p{color:var(--muted);line-height:1.6;margin:0}.topic-card small{display:block;margin-top:10px;color:#475569;font-weight:850}.topic-card button{margin-top:16px;width:100%;padding:14px;border-radius:20px;background:linear-gradient(135deg,var(--c1),var(--c2));color:#fff;font-weight:1000;box-shadow:var(--softShadow)}
.play-shell{margin-top:18px;display:grid;grid-template-columns:320px 1fr;gap:16px}.play-sidebar{border-radius:32px;padding:18px;height:max-content;position:sticky;top:16px}.play-sidebar h3{margin-top:0}.play-topic-list{display:grid;gap:8px}.play-topic-list button{display:flex;align-items:center;gap:10px;text-align:left;padding:12px;border-radius:18px;background:#fff;color:#43506a;font-weight:900}.play-topic-list button.active,.play-topic-list button:hover{color:var(--blue);background:#e0f2fe}.side-box{background:#fff;border-radius:22px;padding:14px;margin-top:14px}.side-box h4{margin:0 0 8px}.side-box p{color:var(--muted);margin:0}.toggle-row{display:flex!important;align-items:center;gap:10px;margin:10px 0;color:#475569;font-weight:850}.toggle-row input{width:auto}.play-head{border-radius:34px;padding:16px;display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center}.back-btn{width:58px;height:58px;background:#fff;color:var(--blue);font-size:24px}.play-head h2{font-size:31px;margin:8px 0 0}.play-score{min-width:145px;background:#fff;border-radius:24px;padding:12px;text-align:center;box-shadow:var(--softShadow)}.play-score span{display:block;color:var(--muted)}.play-score b{font-size:28px;color:var(--blue)}.progress{margin:14px 4px 0}.coach-line{margin-top:14px;border-radius:30px;padding:16px;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;background:#fff7ed;border-color:#fed7aa}.bot{width:62px;height:62px;border-radius:24px;background:#ffedd5;display:grid;place-items:center;font-size:36px}.coach-line p{margin:5px 0 0;color:#7c2d12;line-height:1.55}.coach-line button{width:54px;height:54px;border-radius:20px;background:#fff;border:1px solid #fed7aa;font-size:22px}.activity-board{margin-top:14px;min-height:510px;border-radius:40px;padding:22px}.empty-state{min-height:420px;display:grid;place-items:center;align-content:center;text-align:center;color:var(--muted)}.empty-state div{font-size:92px}.empty-state h3{font-size:28px;color:var(--ink);margin:8px 0}.actions{position:sticky;bottom:12px;margin-top:16px;padding:10px;border-radius:28px;background:rgba(255,255,255,.64);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.72);display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.actions button{font-size:16px}
.question{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;padding:18px;border-radius:30px;background:linear-gradient(135deg,#eff6ff,#ecfeff);border:1px solid #dbeafe;margin-bottom:18px}.question h3{font-size:28px;line-height:1.32;margin:0}.question p{color:var(--muted);line-height:1.6;margin:6px 0 0}.target{padding:10px 14px;border-radius:18px;background:#fff;border:1px solid #bfdbfe;color:#1d4ed8;font-weight:1000;white-space:nowrap}.play-two{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:center}.panel{background:#fff;border:1px solid #e5e7eb;border-radius:32px;padding:20px;box-shadow:var(--softShadow)}.panel h4{font-size:24px;margin:0 0 10px}.panel p{color:var(--muted);line-height:1.7}.answer{display:flex;gap:10px;align-items:center;margin-top:12px}.answer input{flex:1;min-width:0;padding:15px;border-radius:20px;border:2px solid #e5e7eb;outline:none;font-size:22px;font-weight:1000}.answer input:focus{border-color:#93c5fd}.answer span{font-weight:1000;color:#475569}.feedback{margin-top:14px;padding:14px 16px;border-radius:20px;line-height:1.65;font-weight:900}.feedback.info{background:#e0f2fe;color:#075985}.feedback.good{background:#dcfce7;color:#166534}.feedback.bad{background:#fee2e2;color:#991b1b}.hidden{display:none!important}
.object-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}.obj{width:48px;height:48px;border-radius:18px;background:linear-gradient(135deg,#fff7ad,#bbf7d0);display:grid;place-items:center;font-size:26px;box-shadow:var(--softShadow)}.choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.choice{padding:14px;border-radius:18px;background:#f8fbff;border:2px solid #e5e7eb;font-size:20px;font-weight:1000}.choice.active{border-color:#60a5fa;background:#dbeafe;color:#1d4ed8}.line-scene{height:260px;position:relative;border-radius:32px;background:linear-gradient(180deg,#dff8ff,#bae6fd);overflow:hidden}.line-scene:before{content:"";position:absolute;left:8%;right:8%;bottom:82px;height:18px;border-radius:20px;background:#334155}.runner{position:absolute;bottom:142px;width:76px;height:76px;border-radius:30px;display:grid;place-items:center;background:linear-gradient(135deg,#fff7ad,#fde68a);font-size:40px;box-shadow:var(--softShadow);transform:translateX(-50%);transition:.2s left}.tick{position:absolute;bottom:108px;transform:translateX(-50%);text-align:center;font-weight:1000}.tick i{display:block;width:4px;height:28px;background:#334155;margin:0 auto 5px;border-radius:4px}.slider{width:100%;accent-color:var(--blue)}.pizza{width:min(330px,82vw);aspect-ratio:1;border-radius:50%;margin:auto;position:relative;border:18px solid #92400e;background:conic-gradient(#fbbf24 0 45deg,#f59e0b 45deg 90deg,#fbbf24 90deg 135deg,#f59e0b 135deg 180deg,#fbbf24 180deg 225deg,#f59e0b 225deg 270deg,#fbbf24 270deg 315deg,#f59e0b 315deg 360deg);box-shadow:inset 0 0 0 10px #fde68a,0 24px 48px rgba(146,64,14,.22)}.slice{position:absolute;width:46px;height:46px;border-radius:50%;background:#fff;border:3px solid #fef3c7;color:#92400e;font-weight:1000;box-shadow:0 8px 18px rgba(15,23,42,.16)}.slice.selected{background:#22c55e;color:#fff;transform:scale(1.12)}.slice:nth-child(1){left:46%;top:7%}.slice:nth-child(2){right:17%;top:20%}.slice:nth-child(3){right:11%;bottom:34%}.slice:nth-child(4){right:30%;bottom:12%}.slice:nth-child(5){left:30%;bottom:12%}.slice:nth-child(6){left:11%;bottom:34%}.slice:nth-child(7){left:17%;top:20%}.slice:nth-child(8){left:43%;top:42%}.grid-area{display:grid;gap:5px;width:max-content;max-width:100%;margin:auto;padding:16px;border-radius:30px;background:#f8fbff;border:1px solid #e5e7eb}.cell{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#93c5fd,#22c55e);box-shadow:inset -5px -5px 0 rgba(15,23,42,.09)}
.voice-layout{display:grid;grid-template-columns:1fr 1fr;gap:16px}.voice-card{border-radius:34px;padding:22px}.voice-card h3{font-size:24px;margin:0 0 14px}.voice-card label{display:grid;gap:8px;margin:12px 0;color:#475569;font-weight:900}.voice-card li{line-height:1.8;color:#475569}.voice-demo{margin-top:16px;background:#fff7ed;border:1px solid #fed7aa;border-radius:24px;padding:16px;color:#7c2d12;line-height:1.7}.review-card{border-radius:28px;padding:18px;background:#fff}.review-card h4{font-size:20px;margin:0 0 8px}.review-card p{color:var(--muted);line-height:1.6}.report-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.report-card{border-radius:28px;padding:18px;background:#fff}.report-card b{display:block;font-size:32px;color:var(--blue)}.report-card span{color:var(--muted)}.history-card{margin-top:18px;border-radius:30px;padding:20px}.history-list{display:grid;gap:10px}.history-row{display:flex;justify-content:space-between;gap:12px;background:#fff;border-radius:18px;padding:13px 14px}.history-row span{color:var(--muted)}.teacher-card{border-radius:34px;padding:26px;margin-top:20px}.teacher-card p{color:var(--muted);line-height:1.7}.teacher-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.teacher-grid div{background:#fff;border-radius:24px;padding:18px}.teacher-grid li{line-height:1.8;color:#475569}.toast{position:fixed;right:20px;bottom:20px;z-index:50;padding:14px 18px;border-radius:18px;background:#111827;color:#fff;box-shadow:var(--shadow)}
@media(max-width:1000px){.topbar,.control-center,.hero,.play-shell,.play-head,.play-two,.teacher-grid,.voice-layout{grid-template-columns:1fr;display:grid}.profile{justify-content:flex-start}.topic-grid,.review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.report-grid,.dashboard-grid{grid-template-columns:repeat(2,1fr)}.play-sidebar{position:relative;top:auto}}@media(max-width:650px){.app{padding:10px}.brand h1{font-size:22px}.hero{padding:22px}.hero h2{font-size:32px}.topic-grid,.review-grid,.report-grid,.dashboard-grid{grid-template-columns:1fr}.activity-board{padding:14px;min-height:auto}.question{display:grid}.target{white-space:normal}.coach-line{grid-template-columns:auto 1fr}.coach-line button{grid-column:1/-1;width:100%}.actions{position:relative;bottom:auto}.actions button{width:100%}.choice-grid{grid-template-columns:1fr}}


.bank-badge{
  display:inline-flex;
  margin-top:10px;
  padding:7px 11px;
  border-radius:999px;
  background:#ecfeff;
  color:#0369a1;
  font-size:12px;
  font-weight:1000;
  border:1px solid #bae6fd;
}
.question-no{
  display:inline-flex;
  padding:7px 11px;
  border-radius:999px;
  background:#fef3c7;
  color:#92400e;
  font-size:12px;
  font-weight:1000;
  margin-bottom:10px;
}


.test-setup{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  margin-bottom:16px;
}
.test-card,.test-area{
  background:var(--glass);
  border:1px solid var(--line);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  border-radius:34px;
  padding:22px;
}
.test-card h3{font-size:24px;margin:0 0 14px}
.test-card label{
  display:grid;
  gap:8px;
  margin:12px 0;
  color:#475569;
  font-weight:900;
}
.test-card select{
  width:100%;
  padding:13px;
  border-radius:18px;
  border:1px solid var(--soft);
  background:#fff;
}
.test-card li{line-height:1.8;color:#475569}
.test-area{min-height:480px}
.test-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:14px;
  margin-bottom:14px;
}
.test-head h3{font-size:26px;margin:0}
.test-head p{color:var(--muted);margin:6px 0 0}
.test-progress-box{
  min-width:140px;
  background:#fff;
  border-radius:22px;
  padding:12px;
  text-align:center;
  box-shadow:var(--softShadow);
}
.test-progress-box b{font-size:28px;color:var(--blue)}
.test-result{
  display:grid;
  place-items:center;
  text-align:center;
  min-height:360px;
}
.test-result .big{font-size:86px;padding:0!important}
.test-result h3{font-size:34px;margin:10px 0}
.test-result p{color:var(--muted);font-size:18px}
@media(max-width:900px){.test-setup{grid-template-columns:1fr}.test-head{display:grid}.test-progress-box{text-align:left}}