:root{--bg:#f8f7f3;--paper:#fff;--ink:#20342e;--muted:#718079;--accent:#276b52;--accentlight:#e4f0e8;--line:#e6e9e3;--gold:#e9c986;--shadow:0 12px 38px #233c2d0b}*{box-sizing:border-box}body:before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;background:url(/assets/eduvault-logo-outline.png) center/min(78vw,78vh,820px) no-repeat;opacity:.3}#app{position:relative;z-index:1}body{margin:0;background:var(--bg);color:var(--ink);font:14px 'DM Sans',sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #a3cdb2;outline-offset:3px}a{color:inherit;text-decoration:none}.layout{display:grid;grid-template-columns:244px minmax(0,1fr);min-height:100vh}.sidebar{background:#ffffffb8;backdrop-filter:blur(6px);border-right:1px solid var(--line);padding:30px 17px;display:flex;flex-direction:column;gap:34px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:11px;padding:0 10px}.logo{display:block;width:39px;height:39px;border-radius:11px;object-fit:contain;flex-shrink:0}.mobilebrand{display:flex;align-items:center;gap:9px}.mobilebrand img{object-fit:contain}.brand strong{font:700 19px Outfit}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.5px;margin-top:2px}.navlabel{font-size:10px;color:#a0aaa3;letter-spacing:1.7px;font-weight:800;padding:0 13px;margin-bottom:11px}.nav{display:grid;gap:5px}.nav button{display:flex;align-items:center;gap:12px;width:100%;border:0;background:transparent;color:#66776e;text-align:left;padding:13px;border-radius:11px;font-weight:700}.nav button:hover,.nav button.active{background:var(--accentlight);color:var(--accent)}.nav .symbol{font-size:18px;width:22px;text-align:center}.sidefoot{margin-top:auto;padding:18px;background:#f3f5efcc;border:1px solid #e9c98666;border-radius:15px}.sidefoot strong{font-family:Outfit}.sidefoot p{color:var(--muted);font-size:12px;line-height:1.6}.sidefoot a{color:var(--accent);font-weight:800}.main{min-width:0}.top{height:82px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:0 45px;background:#ffffffb8;backdrop-filter:blur(6px)}.crumb{color:var(--muted);font-size:12px}.crumb b{color:var(--ink)}.profile{display:flex;align-items:center;gap:10px;font-weight:700}.avatar{width:34px;height:34px;background:var(--accentlight);color:var(--accent);border-radius:50%;display:grid;place-items:center;font-weight:800}.content{max-width:1320px;margin:auto;padding:36px 45px 70px}.eyebrow{color:var(--accent);font-size:10px;font-weight:800;letter-spacing:2px;text-transform:uppercase}.heading{font:700 clamp(27px,3vw,39px) Outfit;margin:9px 0}.sub{color:var(--muted);line-height:1.7;margin:0}.hero{margin-top:27px;min-height:288px;background:#e9eee6d9;border:1px solid #e9c98659;border-radius:23px;padding:37px 40px;display:flex;justify-content:space-between;align-items:center;overflow:hidden;position:relative}.hero h2{font:700 clamp(30px,3.6vw,49px)/1.08 Outfit;letter-spacing:-1.4px;margin:12px 0}.hero h2 em{font-style:normal;color:var(--accent)}.hero p{color:#65776b;line-height:1.7;max-width:440px}.heroart{position:relative;width:240px;height:190px;flex-shrink:0}.orb{display:none}.heroemblem{position:absolute;width:230px;height:auto;right:0;top:0;object-fit:contain}.foot .ceo{color:var(--ink);font-weight:800;white-space:nowrap}.book{position:absolute;transform:rotate(-11deg);width:128px;height:165px;right:49px;top:7px;background:var(--accent);border-radius:6px 13px 13px 6px;box-shadow:-14px 12px 0 #fff,0 18px 28px #1a3e2b29;display:flex;align-items:center;justify-content:center;color:white;font:700 23px Outfit;letter-spacing:2px}.book:after{content:'✳';position:absolute;top:27px;font-size:28px;color:var(--gold)}.button{border:0;border-radius:10px;background:var(--accent);color:#fff;font-weight:800;padding:12px 17px;display:inline-flex;gap:9px;align-items:center;justify-content:center}.button:hover{background:#1c523d}.button.alt{background:#fff;color:var(--accent);border:1px solid #d7e2d9}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin:19px 0 34px}.stat,.panel,.subject,.lesson,.quizcard{background:#ffffffb3;backdrop-filter:blur(3px);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.stat{padding:20px}.stat .staticon{font-size:23px}.stat strong{display:block;font:700 27px Outfit;margin:9px 0 2px}.stat small{color:var(--muted)}.sectionhead{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:25px 0 15px}.sectionhead h2{font:700 22px Outfit;margin:0}.link{border:0;background:transparent;color:var(--accent);font-weight:800}.subjects{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.subject{padding:20px;cursor:pointer;transition:transform .15s,border .15s}.subject:hover{transform:translateY(-3px);border-color:#9dc7ac}.subject .icon{font-size:27px;display:grid;place-items:center;background:#f0f4ee;width:52px;height:52px;border-radius:14px}.subject h3{font:700 18px Outfit;margin:15px 0 6px}.subject p{color:var(--muted);font-size:12px;line-height:1.5;margin:0}.subject footer{display:flex;justify-content:space-between;align-items:center;margin-top:18px;color:var(--accent);font-weight:800;font-size:12px}.panel{padding:23px;margin-top:18px}.twocol{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}.muted{color:var(--muted)}.pill{display:inline-block;border-radius:30px;background:var(--accentlight);color:var(--accent);padding:7px 11px;font-size:11px;font-weight:800}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:22px 0}.field{border:1px solid #dfe6dd;border-radius:10px;background:white;padding:12px;min-width:180px;color:var(--ink);max-width:100%}.lesson{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px;margin:9px 0}.lesson h3{font:600 15px Outfit;margin:0 0 5px}.lesson p{font-size:12px;color:var(--muted);margin:0}.lesson .right{display:flex;gap:7px;align-items:center}.smallbtn{border:1px solid var(--line);background:#fff;color:var(--accent);border-radius:9px;padding:9px 11px;font-weight:800}.smallbtn.saved{background:var(--accentlight)}.empty{padding:38px;text-align:center;color:var(--muted);border:1px dashed #cbd8ce;border-radius:15px}.quizcard{padding:23px;max-width:800px}.options{display:grid;gap:10px;margin:19px 0}.option{display:block;width:100%;text-align:left;padding:14px;border:1px solid var(--line);border-radius:11px;background:white;color:var(--ink)}.option.selected{background:var(--accentlight);border-color:var(--accent)}.progressbar{height:7px;background:#e8eee7;border-radius:30px;overflow:hidden}.progressbar span{height:100%;background:var(--accent);display:block}.foot{background:#ffffff8c;padding:22px 45px;border-top:1px solid var(--line);color:var(--muted);font-size:11px;display:flex;justify-content:space-between;gap:10px}.mobilebar{display:none}.notice{padding:13px 16px;background:#f0f5ef;border-radius:10px;color:#476a53;font-size:12px;line-height:1.7;margin:14px 0}.check{accent-color:var(--accent)}@media(max-width:1050px){.subjects{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.heroart{transform:scale(.8);margin-right:-35px}}@media(max-width:740px){.layout{display:block}.sidebar{display:none;position:fixed;z-index:10;background:#fffffff2;top:60px;left:0;height:calc(100vh - 60px);width:245px;box-shadow:0 10px 30px #0002}.sidebar.open{display:flex}.mobilebar{display:flex;align-items:center;gap:12px;height:60px;padding:0 18px;background:#ffffffd9;position:relative;z-index:11;border-bottom:1px solid var(--line)}.mobilebar button{border:0;background:transparent;font-size:23px}.mobilebar b{font:700 18px Outfit}.top{height:54px;padding:0 20px}.content{padding:24px 18px 45px}.hero{padding:27px;min-height:0}.heroart{display:none}.subjects{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.subject{padding:14px}.twocol{grid-template-columns:1fr}.stats{gap:9px}.stat{padding:15px}.foot{padding:20px;display:block}.lesson{align-items:flex-start;flex-direction:column}.lesson .right{width:100%}.lesson .right button{flex:1}}@media(max-width:380px){.subjects{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.stat strong{font-size:22px}}

/* EDUAI — Powered by EduVault */
.eduai {
  max-width: 900px;
  margin: 20px auto;
}

.eduai-shell {
  background: #ffffffd9;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.eduai-head {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 20px;
  background: #e9eee6;
  border-bottom: 1px solid var(--line);
}

.eduai-logo {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: var(--accent);
  color: white;
  font-size: 23px;
}

.eduai-head h2 {
  font: 700 20px Outfit;
  margin: 0;
}

.eduai-head p {
  color: var(--muted);
  font-size: 11px;
  margin: 4px 0 0;
}

.eduai-messages {
  min-height: 340px;
  max-height: 480px;
  overflow-y: auto;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.eduai-message {
  max-width: 85%;
  padding: 13px 16px;
  border-radius: 14px;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.eduai-message.bot {
  align-self: flex-start;
  background: #f0f4ee;
  color: var(--ink);
}

.eduai-message.user {
  align-self: flex-end;
  background: var(--accent);
  color: white;
}

.eduai-controls {
  padding: 16px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 11px;
}

.eduai-selects {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
}

.eduai-selects select {
  flex: 1;
  min-width: 130px;
}

.eduai-inputrow {
  display: flex;
  gap: 9px;
}

.eduai-inputrow input {
  flex: 1;
  min-width: 0;
  border: 1px solid #dfe6dd;
  border-radius: 11px;
  padding: 13px;
  background: white;
  color: var(--ink);
}

.eduai-send {
  border: 0;
  border-radius: 11px;
  padding: 0 18px;
  background: var(--accent);
  color: white;
  font-weight: 800;
}

.eduai-note {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

@media(max-width:500px) {
  .eduai-message { max-width: 94%; }
  .eduai-messages { padding: 14px; }
  .eduai-inputrow { flex-wrap: wrap; }
  .eduai-send { min-height: 43px; }
}