:root{
  --bg:#fff8fc;--bg2:#f7f0ff;--panel:rgba(255,255,255,.88);--panel-solid:#ffffff;
  --panel2:#fff3fa;--line:rgba(130,76,160,.16);--text:#3a2443;--muted:#7f6a87;
  --pink:#e94fa3;--pink2:#f59ac6;--purple:#8b5cf6;--violet:#b79cff;--lilac:#eadcff;
  --green:#24a66a;--red:#d94b65;--gold:#c79b46;--shadow:0 24px 70px rgba(111,56,125,.14);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;color:var(--text);background:
  radial-gradient(circle at 12% 8%,rgba(245,154,198,.38) 0,transparent 32%),
  radial-gradient(circle at 86% 10%,rgba(183,156,255,.34) 0,transparent 31%),
  linear-gradient(145deg,#fffafd 0%,#fbf6ff 48%,#fff7fb 100%)}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.35;background-image:
  linear-gradient(rgba(139,92,246,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(233,79,163,.035) 1px,transparent 1px);background-size:42px 42px}
body:after{content:"";position:fixed;width:420px;height:420px;right:-180px;bottom:-190px;border-radius:50%;pointer-events:none;background:radial-gradient(circle,rgba(233,79,163,.15),rgba(139,92,246,.05) 48%,transparent 70%)}
.app-shell{min-height:100vh;position:relative}
.topbar{height:78px;padding:0 30px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(139,92,246,.14);background:rgba(255,250,254,.78);backdrop-filter:blur(22px);position:sticky;top:0;z-index:20;box-shadow:0 8px 30px rgba(111,56,125,.06)}
.brand{display:flex;align-items:center;gap:13px}.brand-mark{width:46px;height:46px;border-radius:16px;display:grid;place-items:center;font-weight:900;background:linear-gradient(145deg,#ffd2e8 0%,#e9c8ff 45%,#9a72f6 100%);box-shadow:0 10px 30px rgba(139,92,246,.24),inset 0 1px 0 rgba(255,255,255,.8);color:#4b2758;border:1px solid rgba(255,255,255,.85)}
.brand strong{font-size:18px;display:block;letter-spacing:.2px}.brand span{font-size:12px;color:var(--muted)}.top-actions{display:flex;gap:9px}
.layout{display:grid;grid-template-columns:310px minmax(0,1fr);gap:20px;padding:20px;max-width:1500px;margin:auto}
.sidebar,.chat-panel{border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.93),rgba(255,249,253,.88));box-shadow:var(--shadow);border-radius:26px;backdrop-filter:blur(20px)}
.sidebar{padding:22px;height:calc(100vh - 118px);position:sticky;top:98px;overflow:auto}.side-hero{text-align:center;padding:10px 5px 22px}.orb{width:68px;height:68px;border-radius:50%;margin:0 auto 11px;display:grid;place-items:center;font-size:28px;background:radial-gradient(circle at 32% 24%,#fff,#ffd8ec 30%,#d9c4ff 68%,#9e77ef);box-shadow:0 0 0 8px rgba(233,79,163,.06),0 18px 42px rgba(139,92,246,.2)}
.side-hero h2{margin:0 0 5px;color:#4f2a58}.side-hero p,.muted{color:var(--muted)}
label{display:block;color:#664d6d;font-size:12px;font-weight:800;margin:13px 0}input,select,textarea{width:100%;margin-top:6px;background:rgba(255,255,255,.95);color:var(--text);border:1px solid rgba(139,92,246,.18);border-radius:13px;padding:11px 12px;outline:none;box-shadow:inset 0 1px 2px rgba(111,56,125,.03)}
select option{color:#3a2443;background:#fff}input:focus,select:focus,textarea:focus{border-color:#b77cf5;box-shadow:0 0 0 4px rgba(183,124,245,.12)}
.btn{border:1px solid rgba(139,92,246,.18);color:#5a3c63;background:rgba(255,255,255,.9);padding:10px 14px;border-radius:13px;text-decoration:none;cursor:pointer;font-weight:850;box-shadow:0 7px 18px rgba(111,56,125,.06);transition:.18s ease}.btn:hover{transform:translateY(-1px);border-color:rgba(233,79,163,.28);box-shadow:0 10px 24px rgba(111,56,125,.1)}
.btn.primary{border:0;background:linear-gradient(135deg,#ef6bb2 0%,#c985ef 48%,#8f69ee 100%);color:#fff;box-shadow:0 12px 28px rgba(183,92,193,.27)}.btn.ghost{background:rgba(255,255,255,.5)}.btn.full{width:100%;margin-top:9px}
.side-note{margin-top:15px;padding:14px;border-radius:16px;background:linear-gradient(145deg,rgba(255,234,245,.68),rgba(240,229,255,.72));border:1px solid rgba(183,124,245,.14)}.side-note b{display:block;font-size:12px;color:#a54686;margin-bottom:4px}.side-note span{font-size:11px;line-height:1.55;color:var(--muted)}
.chat-panel{min-height:calc(100vh - 118px);display:flex;flex-direction:column;overflow:hidden}.chat-head{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid var(--line);background:linear-gradient(90deg,rgba(255,244,250,.7),rgba(245,238,255,.7))}.chat-head>div{display:flex;align-items:center;gap:8px}.chat-head small{color:var(--muted);margin-left:4px}.status-dot{width:9px;height:9px;background:var(--green);border-radius:50%;box-shadow:0 0 14px rgba(36,166,106,.5)}.icon-btn{border:0;background:transparent;color:#8d7594;font-size:20px;cursor:pointer}
.messages{flex:1;overflow:auto;padding:28px clamp(16px,4vw,56px);min-height:430px}.msg{display:flex;gap:12px;margin:0 0 20px;animation:fade .25s ease}.msg.user{justify-content:flex-end}.avatar{width:38px;height:38px;border-radius:13px;display:grid;place-items:center;flex:0 0 38px;background:linear-gradient(145deg,#ffd1e7,#bd9cff);color:#4a2757;font-weight:900;box-shadow:0 8px 22px rgba(139,92,246,.18)}.bubble{max-width:min(760px,85%);border-radius:19px;padding:14px 16px;line-height:1.58;font-size:14px;border:1px solid rgba(139,92,246,.12);background:rgba(255,255,255,.94);box-shadow:0 10px 28px rgba(111,56,125,.07)}.user .bubble{background:linear-gradient(145deg,#ef72b5,#a876ef);border-color:transparent;color:#fff;box-shadow:0 12px 28px rgba(173,87,190,.22)}
.quick-chips{display:flex;gap:8px;padding:0 22px 13px;flex-wrap:wrap}.quick-chips button{border:1px solid rgba(139,92,246,.15);background:linear-gradient(135deg,rgba(255,240,248,.9),rgba(242,233,255,.9));color:#715079;border-radius:999px;padding:8px 12px;cursor:pointer;font-weight:700}.quick-chips button:hover{border-color:rgba(233,79,163,.3);color:#9d3e7d}
.composer{margin:0 18px 18px;display:grid;grid-template-columns:minmax(0,1fr) 92px;grid-template-rows:auto auto;gap:8px;background:rgba(255,255,255,.92);border:1px solid rgba(139,92,246,.16);border-radius:20px;padding:9px;box-shadow:0 12px 32px rgba(111,56,125,.08);align-items:center}.composer textarea{resize:none;border:0;background:transparent;margin:0;min-height:42px;max-height:150px;grid-column:1;grid-row:1}.composer textarea:focus{box-shadow:none}.send-btn{grid-column:2;grid-row:1;min-height:44px;border:0;border-radius:15px;background:linear-gradient(145deg,#ef67ae,#8f67ef);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:7px;font-size:13px;font-weight:900;padding:0 12px;box-shadow:0 10px 24px rgba(177,85,190,.23);transition:.18s ease}.send-btn b{font-size:17px}.send-btn:hover{filter:brightness(1.05);transform:translateY(-1px)}.send-btn:disabled{opacity:.58;cursor:not-allowed;transform:none}.composer-hint{grid-column:1/-1;grid-row:2;padding:0 8px 2px;color:var(--muted);font-size:10px}
.quiz-card{max-width:860px;border:1px solid rgba(139,92,246,.15);background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(255,246,252,.96));border-radius:22px;padding:19px;margin:8px 0 24px;box-shadow:0 18px 46px rgba(111,56,125,.1)}.quiz-meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:10px}.badge{font-size:11px;padding:5px 9px;border-radius:999px;background:linear-gradient(135deg,#ffe4f0,#eee4ff);border:1px solid rgba(183,124,245,.16);color:#815581;font-weight:800}.progress{height:6px;background:#f3e9f7;border-radius:99px;overflow:hidden;margin:10px 0 16px}.progress i{display:block;height:100%;background:linear-gradient(90deg,#ef67ae,#a27bf2)}.quiz-card h3{font-size:18px;margin:8px 0;color:#4d2e57}.stimulus{color:#6d5875;font-size:13px;line-height:1.58;padding:13px;border-left:3px solid #d973b6;background:linear-gradient(90deg,rgba(255,232,243,.7),rgba(246,238,255,.6));border-radius:0 11px 11px 0}.question-image{width:100%;max-height:560px;object-fit:contain;background:white;border-radius:14px;margin:12px 0;border:1px solid rgba(139,92,246,.12);box-shadow:0 10px 30px rgba(111,56,125,.06)}.option{display:flex;gap:10px;align-items:flex-start;padding:11px 12px;border:1px solid rgba(139,92,246,.14);border-radius:13px;margin:8px 0;cursor:pointer;background:#fff}.option:hover{border-color:rgba(233,79,163,.34);background:#fff9fc}.option input{width:auto;margin:3px 0 0}.letter{width:25px;height:25px;border-radius:9px;display:grid;place-items:center;background:linear-gradient(145deg,#ffe0ef,#e6d9ff);color:#7c4c84;font-size:11px;font-weight:900}.category-row{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;padding:10px;border-bottom:1px solid var(--line)}.category-row input{width:auto;margin:0}.quiz-actions{display:flex;gap:8px;margin-top:14px;align-items:center}.feedback{margin-top:13px;border-radius:14px;padding:13px;font-size:13px;line-height:1.58}.feedback.good{background:rgba(36,166,106,.08);border:1px solid rgba(36,166,106,.22)}.feedback.bad{background:rgba(217,75,101,.08);border:1px solid rgba(217,75,101,.2)}.ai-coach{margin-top:10px;border-style:dashed;background:linear-gradient(135deg,rgba(255,236,247,.72),rgba(241,233,255,.7));border-color:rgba(183,124,245,.2)}
.score-ring{font-size:36px;font-weight:900;background:linear-gradient(135deg,#e94fa3,#8b5cf6);-webkit-background-clip:text;background-clip:text;color:transparent}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.summary-box{padding:14px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(145deg,#fff,#fff7fb)}
.modal{display:none;position:fixed;inset:0;background:rgba(60,31,72,.38);backdrop-filter:blur(8px);z-index:50;place-items:center;padding:20px}.modal.open{display:grid}.modal-card{position:relative;width:min(600px,100%);background:rgba(255,255,255,.97);border:1px solid rgba(139,92,246,.16);border-radius:24px;padding:26px;box-shadow:0 28px 90px rgba(92,45,108,.22)}.modal-close{position:absolute;right:16px;top:12px;background:transparent;border:0;color:#745779;font-size:28px;cursor:pointer}.reference-list{display:grid;gap:8px}.reference-list a,.drive-link{display:flex;justify-content:space-between;color:#714b78;background:linear-gradient(135deg,#fff4fa,#f5eeff);border:1px solid rgba(139,92,246,.1);padding:12px;border-radius:11px;text-decoration:none}
.setup-body{display:grid;place-items:center;padding:30px}.setup-card{width:min(720px,100%);background:rgba(255,255,255,.94);border:1px solid rgba(139,92,246,.14);border-radius:26px;padding:30px;box-shadow:0 28px 80px rgba(111,56,125,.15)}.setup-card>.brand-mark{margin-bottom:12px}.setup-form{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.setup-form h3,.setup-form p,.setup-form button{grid-column:1/-1}.notice{padding:12px;border-radius:13px;margin:12px 0}.notice.success{background:rgba(36,166,106,.1);border:1px solid rgba(36,166,106,.16)}.notice.danger{background:rgba(217,75,101,.09);border:1px solid rgba(217,75,101,.15)}.small{font-size:12px}
.admin-wrap{max-width:1240px;margin:30px auto;padding:20px}.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.admin-card{padding:19px;border:1px solid rgba(139,92,246,.14);border-radius:18px;background:rgba(255,255,255,.92);box-shadow:0 14px 38px rgba(111,56,125,.08)}.admin-card h2{color:#5a3a65}table{width:100%;border-collapse:collapse;font-size:12px}th,td{text-align:left;padding:9px;border-bottom:1px solid var(--line);vertical-align:top}th{color:#7a527d;background:#fff8fc}.table-wrap{overflow:auto}.admin-form{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.admin-form .wide{grid-column:1/-1}
.typing{display:flex;align-items:center;gap:5px;min-width:190px}.typing i{display:block;width:7px;height:7px;border-radius:50%;background:#c26fe4;animation:typingDot 1.1s infinite ease-in-out}.typing i:nth-child(2){animation-delay:.14s}.typing i:nth-child(3){animation-delay:.28s}.typing span{margin-left:6px;color:var(--muted);font-size:12px}
@keyframes fade{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes typingDot{0%,80%,100%{opacity:.28;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:relative;top:auto;height:auto}.chat-panel{min-height:75vh}.topbar{padding:0 14px}.top-actions .btn:first-child{display:none}.summary-grid,.admin-grid{grid-template-columns:1fr}.setup-form,.admin-form{grid-template-columns:1fr}.admin-form .wide{grid-column:auto}.category-row{grid-template-columns:1fr auto auto}}
@media(max-width:520px){.composer{grid-template-columns:minmax(0,1fr) 74px}.send-btn span{display:none}.send-btn{padding:0}.composer-hint{font-size:9px}.topbar{height:auto;min-height:72px;padding-top:10px;padding-bottom:10px}.brand span{max-width:170px;display:block}.layout{padding:12px}.sidebar,.chat-panel{border-radius:20px}}