/* Palette follows the public website's gold, saffron, warm cream and navy. */
:root{--gold:#ffbc2f;--red:#dc3545;--navy:#082e56;--ink:#182b40;--muted:#607084;--line:#e2e5e8;--cream:#fff9f0;--orange:#c74517}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#fafbfc;font:16px/1.6 Manrope,"Segoe UI",sans-serif}a{color:var(--navy);text-underline-offset:3px}button,input,textarea{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:4px}[hidden]{display:none!important}.topbar{background:var(--gold);display:flex;justify-content:space-between;padding:7px max(4vw,20px);font-size:12px;letter-spacing:.09em;font-weight:700;color:#342411}.header{min-height:100px;display:flex;justify-content:space-between;align-items:center;gap:28px;padding:20px 4vw;border-bottom:1px solid #edcdb8;background:linear-gradient(105deg,#fff6e9,#fffdf9 52%,#fff0dc)}.logo{display:block;max-width:100%;height:auto}.header nav{display:flex;gap:27px;align-items:center;font-size:14px;font-weight:650}.header nav a{text-decoration:none;white-space:nowrap}.header nav .active{color:var(--orange)}.header form{margin:0}.text-button{border:0;background:none;padding:0;color:var(--muted);font-size:14px}.footer{display:flex;gap:28px;justify-content:center;align-items:center;border-top:1px solid var(--line);padding:18px;font-size:12px;color:var(--muted)}.footer a{color:inherit}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.14em;color:var(--orange)}h1,h2,p{margin-top:0}h1,h2{line-height:1.2;letter-spacing:-.035em}h1{font-size:42px}h2{font-size:28px}.primary{background:var(--navy);border:1px solid var(--navy);border-radius:9px;padding:13px 20px;color:#fff;font-weight:650}.primary:hover{background:#134777}.login-shell{max-width:1140px;margin:66px auto 75px;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:100px;padding:0 30px}.login-intro h1{font-size:60px;margin:20px 0 22px;color:var(--navy);font-weight:750}.login-intro>p{color:var(--muted);font-size:18px}.intro-rule{height:3px;width:60px;background:var(--gold);margin:28px 0}.intro-item{display:flex;gap:18px;margin:22px 0;max-width:390px}.number{color:#9d5b1d;font-size:13px;padding-top:3px}.intro-item h2{font-size:17px;margin:0 0 6px;letter-spacing:0}.intro-item p{font-size:14px;color:var(--muted);margin:0}.intro-note{display:block;color:#8a6b4b;font-size:12px;margin-top:30px}.login-card{background:white;border:1px solid var(--line);border-top:4px solid var(--gold);border-radius:15px;padding:40px;box-shadow:0 16px 60px #082e5609}.pill{display:inline-block;background:#fff2d2;color:#805710;border:1px solid #f5db9d;padding:4px 10px;border-radius:5px;letter-spacing:.1em;font-size:10px;font-weight:800}.login-card h2{font-size:30px;margin:22px 0 12px}.login-card>p{font-size:14px;color:var(--muted);margin-bottom:25px}.login-card label{display:block;font-size:14px;font-weight:650;margin:18px 0 8px}.login-card input{width:100%;border:1px solid #cbd2da;border-radius:8px;padding:12px 14px;background:#fcfdfe;font-size:15px}.login-submit{width:100%;display:flex;justify-content:space-between;margin-top:26px}.login-card .help-text{font-size:12px;text-align:center;margin:20px 0}.login-footnote{font-size:11px;color:var(--muted);text-align:center;border-top:1px solid var(--line);padding-top:20px}.validation:empty,.validation-summary-valid{display:none}.validation{background:#fff0ee;color:#a02318;font-size:14px;border-radius:6px;padding:10px}.validation ul{padding-left:18px;margin:0}.study-shell{display:grid;grid-template-columns:270px 1fr;max-width:1500px;margin:auto;min-height:460px;height:calc(100dvh - 195px)}.study-sidebar{padding:30px 22px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:20px}.sidebar-brand{display:flex;align-items:center;gap:12px}.ai-mark{background:var(--navy);color:var(--gold);padding:9px 11px;border-radius:10px;font-weight:800;font-size:16px}.sidebar-brand strong{font-size:19px}.sidebar-brand small,.student-badge small,.source-nav small{display:block;color:var(--muted);font-size:11px;font-weight:400}.new-chat{background:#fff8e9;border:1px solid #ebd39b;color:#714b11;padding:11px;border-radius:8px;font-size:14px;font-weight:650;margin-bottom:15px}.study-sidebar .eyebrow{color:var(--muted);font-size:9px}.source-nav{display:flex;gap:10px;align-items:center;text-decoration:none;font-size:13px;font-weight:600}.source-nav>span:last-child{margin-left:auto}.source-icon{display:grid;place-items:center;flex:0 0 33px;height:35px;background:#f3f5f8;border:1px solid #e7eaef;border-radius:7px;font-size:11px}.sidebar-note{background:var(--cream);border:1px solid #f2e5d1;border-radius:9px;padding:15px;margin-top:auto}.sidebar-note strong{font-size:12px}.sidebar-note p{font-size:12px;line-height:1.6;color:#716858;margin:7px 0 0}.student-badge{border-top:1px solid var(--line);padding-top:20px;display:flex;gap:10px;align-items:center;font-size:12px;overflow-wrap:anywhere}.avatar{display:grid;place-items:center;background:#edf1f6;border-radius:50%;width:34px;height:34px;color:var(--navy)}.chat-panel{display:flex;flex-direction:column;min-width:0;min-height:0;padding:0 42px;background:radial-gradient(ellipse at 50% 30%,#fff 0,#fafbfc 70%)}.chat-top{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:24px 0;border-bottom:1px solid var(--line)}.chat-top .eyebrow{font-size:9px;color:var(--muted)}.chat-top h1{font-size:19px;letter-spacing:-.02em;margin:4px 0 0}.grounded-label{display:flex;align-items:center;gap:7px;border:1px solid #dce4df;padding:5px 10px;border-radius:20px;background:white;font-size:10px;color:#456b52}.grounded-label i{width:6px;height:6px;border-radius:100%;background:#5b8f62}.messages{flex:1;overflow:auto;min-height:0;padding:25px 0;scrollbar-width:thin}.welcome{text-align:center;max-width:750px;margin:14px auto}.welcome-symbol{display:inline-grid;place-items:center;background:#fff4dd;border:1px solid #f2dcaa;border-radius:17px;width:58px;height:58px;color:#b7750e;font-size:28px;margin-bottom:20px}.welcome h2{color:var(--navy);font-size:35px;font-weight:650;margin-bottom:16px}.welcome p{color:var(--muted);font-size:13px;line-height:1.8}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:30px 0}.suggestions button{position:relative;text-align:left;padding:18px 16px 28px;background:#fff;border:1px solid var(--line);border-radius:10px;color:var(--ink);font-size:12px;line-height:1.6}.suggestions button:hover{border-color:#d4a348;background:#fffdf8}.suggestions span{display:block;font-size:8px;letter-spacing:.13em;font-weight:800;color:var(--orange);margin-bottom:9px}.suggestions b{position:absolute;right:12px;bottom:6px;font-weight:400;color:#8291a2}.composer-area{padding-top:12px;background:#fafbfc}.composer{display:flex;gap:10px;padding:12px 14px;border:1px solid #cbd4de;border-radius:12px;background:#fff;box-shadow:0 4px 18px #082e5605}.composer textarea{flex:1;resize:none;border:0;background:none;color:var(--ink);font-size:14px;line-height:1.6;min-height:44px;max-height:150px;min-width:0}.composer textarea:focus{outline:0}.composer:focus-within{outline:2px solid var(--gold)}.composer button{width:42px;height:42px;padding:0;align-self:flex-end;font-size:23px;border-radius:8px}.composer-meta{display:flex;justify-content:space-between;gap:15px;font-size:10px;color:var(--muted);margin-top:8px}.ai-note{font-size:10px;text-align:center;color:#758294;margin:14px 0 18px}.chat-status{min-height:25px;font-size:12px;color:#795018}.message{max-width:95%;border-radius:10px;margin-bottom:22px;padding:18px 20px;border:1px solid var(--line);background:#fff;overflow-wrap:anywhere}.message.student{background:#eef3f8;margin-left:12%;border:0}.message-label{display:block;color:var(--navy);font-size:12px;margin-bottom:8px}.message-body{white-space:pre-wrap;font-size:15px;line-height:1.8}.citations{border-top:1px solid var(--line);margin-top:18px;padding-top:12px;font-size:12px}.citations>strong{font-size:11px;color:var(--muted)}.citations details{margin-top:10px;border:1px solid #e4e8ed;padding:10px;border-radius:7px}.citations summary{cursor:pointer;font-weight:600}.citations blockquote{margin:10px 0;border-left:3px solid var(--gold);padding-left:10px;color:var(--muted)}.notice,.admin-page{max-width:1100px;margin:50px auto;padding:25px}.admin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0}.admin-card{border:1px solid var(--line);border-radius:12px;padding:24px;background:#fff;font-size:14px}.admin-card h2{font-size:22px}.admin-card dt{color:var(--muted);font-size:12px}.admin-card dd{margin:0 0 14px;font-weight:700}.sr-only,.skip-link:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip-link:focus{position:absolute;z-index:9;background:white;padding:10px}
@media(min-width:1600px){.login-shell{margin-top:100px;margin-bottom:100px}}
@media(max-width:1050px){.login-shell{gap:45px}.login-intro h1{font-size:49px}.login-card{padding:30px}.study-shell{grid-template-columns:220px 1fr}.study-sidebar{padding:25px 16px}.chat-panel{padding:0 24px}.header nav{gap:15px}.suggestions{gap:8px}.welcome h2{font-size:30px}}
@media(max-width:760px){.topbar{font-size:9px;padding:6px 15px}.header{padding:15px 18px;min-height:80px;flex-wrap:wrap;gap:12px}.logo{width:220px}.header nav{gap:20px;font-size:12px;flex-wrap:wrap}.text-button{font-size:12px}.login-shell{grid-template-columns:1fr;gap:24px;margin:30px auto;padding:0 20px;max-width:490px}.login-intro h1{font-size:36px;margin:10px 0}.login-intro h1 br{display:none}.login-intro>p{font-size:15px;margin-bottom:0}.intro-rule,.intro-item,.intro-note{display:none}.login-card{padding:25px}.footer{font-size:10px;gap:14px;flex-wrap:wrap}.study-shell{display:block;height:auto;min-height:0}.study-sidebar{display:none}.chat-panel{height:calc(100dvh - 180px);min-height:460px;padding:0 18px}.chat-top{padding:18px 0}.welcome h2{font-size:28px}.welcome p br{display:none}.suggestions{grid-template-columns:1fr;margin:22px 0;gap:8px}.suggestions button{padding:12px 16px;text-align:left}.suggestions span{margin:0 0 3px}.suggestions b{bottom:15px}.messages{padding:18px 0}.welcome{margin:0 auto}.welcome-symbol{width:43px;height:43px;border-radius:12px;font-size:22px;margin-bottom:15px}.composer-meta{font-size:9px}.composer-meta>span:first-child{max-width:70%}.grounded-label{font-size:9px;white-space:nowrap}.admin-grid{grid-template-columns:1fr}.message{max-width:100%;padding:15px}.message-body{font-size:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}


.mobile-reset{display:none}@media(max-width:760px){.mobile-reset{display:inline-flex;align-items:center;justify-content:center;background:#fff8e9;color:#714b11;border:1px solid #ebd39b;border-radius:7px;width:32px;height:32px;font-size:18px}.chat-top .grounded-label{margin-left:auto}}