/* LexMate AI — BiPSU-inspired navy · royal blue · gold */
:root{
  --primary-dark:#0B1F8F;--primary:#1738DB;--primary-bright:#1738DB;--secondary-blue:#1738DB;--sky-blue:#627AEF;--pale-blue:#C6D0FF;
  --accent-gold:#F4D719;--accent-gold-light:#F8E46A;--surface:#FFFFFF;--text-dark:#07164B;--text-muted:#62709A;
  --navy:var(--primary-dark);--navy2:var(--primary);--gold:var(--accent-gold);--gold-light:var(--accent-gold-light);--gold-soft:#FFF9D6;--gold-ink:#5C5000;
  --bg:#F4F6FF;--card:var(--surface);--card2:#F8F9FF;--ink:var(--text-dark);--text:var(--ink);--muted:var(--text-muted);--line:#DCE2F3;
  --ok:#0A7C43;--ok-bg:#E7F7EE;--warn:#965A00;--warn-bg:#FFF3D3;--bad:#BD2635;--bad-bg:#FFE8EB;--info:var(--primary-dark);--info-bg:#EDF0FF;
  --accent:var(--primary);--blue:var(--primary);--focus:var(--primary);--accent-ink:#FFFFFF;--shadow:0 1px 2px rgba(7,22,75,.07),0 6px 20px rgba(7,22,75,.08);
  --r:14px;--side:244px;--font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--serif:Georgia,"Iowan Old Style","Times New Roman",serif;
}
:root[data-theme=dark]{
  --bg:#0B1022;--card:#131A33;--card2:#171E3B;--ink:#E8ECFF;--text:var(--ink);--muted:#A3AFD6;--line:#2B3665;
  --ok:#62E0A2;--ok-bg:#153D32;--warn:#F3BB59;--warn-bg:#3B2E18;--bad:#FF909B;--bad-bg:#451E2A;--info:#AAB9FF;--info-bg:#202A55;
  --gold:#F4D719;--gold-light:#F8E46A;--gold-soft:#302F19;--gold-ink:#F8E46A;--accent:#627AEF;--blue:#627AEF;--focus:#AAB9FF;--accent-ink:#FFFFFF;--pale-blue:#AAB9FF;--shadow:0 2px 5px rgba(0,0,0,.28),0 8px 28px rgba(0,0,0,.24);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.58 var(--font);letter-spacing:.002em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);line-height:1.25;margin:0 0 .5em}
h1{font-size:1.7rem}h2{font-size:1.3rem}h3{font-size:1.08rem}h4{font-size:.95rem}
a{color:var(--info);text-decoration:none}a:hover{text-decoration:underline}
p{margin:.4em 0 .8em}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
::selection{background:#DCE2F3;color:var(--text-dark)}
input::placeholder,textarea::placeholder{color:var(--muted);opacity:.88}
.sr{position:absolute;left:-9999px}
.muted{color:var(--muted)}.small{font-size:.85rem}.tiny{font-size:.76rem}.center{text-align:center}.right{text-align:right}
.row{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.grow{flex:1;min-width:0}.col{display:flex;flex-direction:column;gap:.6rem}
.grid{display:grid;gap:1rem}.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr))}.g4{grid-template-columns:repeat(auto-fit,minmax(min(100%,170px),1fr))}
.mt{margin-top:1rem}.mb{margin-bottom:1rem}.hide{display:none!important}

/* layout */
#app{display:flex;min-height:100vh}
#sidebar{width:var(--side);background:linear-gradient(180deg,#0C1C9F 0%,#06116E 100%);color:var(--pale-blue);position:sticky;top:0;height:100vh;overflow:auto;flex:none;display:flex;flex-direction:column;padding:16px 10px}
#main{flex:1;min-width:0;display:flex;flex-direction:column}
#view{padding:22px clamp(14px,3vw,34px) 90px;max-width:1240px;width:100%;margin:0 auto;flex:1;outline:none}
.disclaimer{font-size:.72rem;color:var(--muted);text-align:center;padding:10px 16px 74px;border-top:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;padding:4px 10px 16px;color:#fff;font-family:var(--serif);font-size:1.25rem;letter-spacing:.01em}
.brand img{width:30px;height:30px}.brand b{color:var(--gold)}
#sidebar a.nav{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;color:var(--pale-blue);text-decoration:none;font-size:.93rem;margin:1px 0}
#sidebar a.nav:hover{background:rgba(255,255,255,.07)}
#sidebar a.nav.on{background:rgba(255,255,255,.16);color:#fff;box-shadow:inset 3px 0 0 var(--gold)}
#sidebar svg{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.side-foot{margin-top:auto;padding:12px 8px 0;font-size:.78rem;color:var(--pale-blue);border-top:1px solid rgba(255,255,255,.1)}
#topbar{display:flex;gap:10px;align-items:center;padding:10px clamp(14px,3vw,34px);background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
#topbar .search{flex:1;max-width:460px;position:relative}
#topbar .search input{width:100%;padding:9px 12px 9px 34px;border-radius:999px;border:1px solid var(--line);background:var(--card2)}
#topbar .search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:16px;height:16px;stroke:var(--muted);fill:none;stroke-width:2}
#topbar select{max-width:210px}
.iconbtn{background:none;border:1px solid var(--line);border-radius:10px;width:38px;height:38px;display:inline-grid;place-items:center;cursor:pointer;color:var(--ink)}
.iconbtn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.reader-trigger{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;min-height:38px}.reader-trigger svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
#read-aloud-bar{position:fixed;z-index:31;right:14px;bottom:14px;max-width:min(580px,calc(100vw - 28px));background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:10px 14px}
#read-aloud-bar[hidden]{display:none}#read-aloud-bar .row{gap:8px}#read-aloud-bar select{width:auto;max-width:180px;min-height:34px}#read-aloud-bar .reader-state{min-width:100px}#read-aloud-bar .reader-note{width:100%;margin:0}
#read-aloud-menu{position:fixed;z-index:210;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:4px;box-shadow:var(--shadow)}#read-aloud-menu .btn{border:0;background:transparent;color:var(--ink);width:100%;justify-content:flex-start}#read-aloud-menu .btn:hover{background:var(--card2)}
#bottomnav{display:none}
@media(max-width:900px){
  #sidebar{display:none}
  #bottomnav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--card);border-top:1px solid var(--line);z-index:30;padding:4px 4px calc(4px + env(safe-area-inset-bottom));justify-content:space-around}
  #bottomnav a,#bottomnav button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 2px;font-size:.68rem;color:var(--muted);text-decoration:none;background:none;border:0;cursor:pointer;min-height:48px}
  #bottomnav .on{color:var(--accent);font-weight:600}
  #bottomnav svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  #topbar .search{max-width:none}
}
@media(max-width:700px){.reader-trigger span{display:none}.reader-trigger{padding:8px;min-width:38px;justify-content:center}#topbar select{max-width:130px}#read-aloud-bar{left:8px;right:8px;bottom:calc(64px + env(safe-area-inset-bottom));max-width:none}}

/* components */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow)}
.card.flat{box-shadow:none;background:var(--card2)}
.card h3{margin-bottom:.4rem}
.card.gold{border-color:var(--gold);background:linear-gradient(180deg,var(--gold-soft),var(--card))}
.manager-num{font:2rem/1.1 var(--serif);margin:.28rem 0}.manager-course h3{font-size:1.04rem}.manager-memo{margin:8px 0;padding:12px 14px}.manager-memo.pinned{border-left:4px solid var(--gold)}.memo-body{margin-top:9px;line-height:1.55;white-space:normal}
.record-paper{background:#fff;color:#111;border:1px solid #c9c1b3;padding:clamp(16px,3vw,38px);box-shadow:var(--shadow);font-family:Arial,sans-serif}.record-paper h2,.record-paper h3{color:#111;font-family:Arial,sans-serif}.record-head{text-align:center;border-bottom:2px solid #111;padding-bottom:12px;margin-bottom:16px}.record-head h2{font-size:1.3rem;margin:1px 0;text-transform:uppercase;letter-spacing:.01em}.record-head h3{font-family:var(--serif);font-size:1.1rem;margin:10px 0 0}.record-head .record-title{font-family:var(--serif);font-size:1.18rem;text-transform:none;margin-top:28px}.record-person,.record-summary{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:8px 0;font-family:var(--serif);font-size:1.05rem}.record-summary{border-top:1px solid #777;padding-top:8px;font-family:Arial,sans-serif;font-size:.85rem}.record-summary small{font-weight:400}.record-year{font-weight:800;font-size:1.15rem;text-transform:uppercase;border-bottom:2px solid #111;margin-top:20px;padding-bottom:2px}.record-term{margin:6px 0 20px}.record-term>h3{font-size:.94rem;text-transform:uppercase;margin:5px 0}.prospectus-table{font-size:.83rem;min-width:760px}.prospectus-table th,.prospectus-table td{border-color:#aaa;padding:5px 7px}.prospectus-table th{color:#111;font-size:.72rem;background:#f5f5f3;line-height:1.05}.prospectus-table tfoot td{border-top:2px solid #222}.record-paper .chip{font-family:var(--font);font-size:.66rem}.record-paper .muted{color:#555}
@media(max-width:700px){.record-paper{margin-left:-2px;margin-right:-2px;padding:16px 12px}.record-head h2{font-size:1.05rem}.record-head .record-title{font-size:1rem;margin-top:18px}.record-person,.record-summary{font-size:.84rem}}
.hero{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;border-radius:18px;padding:22px 24px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero h1,.hero h2,.hero h3{color:#fff}.hero .muted{color:var(--pale-blue)}
.hero::after{content:"⚖";position:absolute;right:18px;top:-10px;font-size:7rem;opacity:.07}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;font-weight:550;text-decoration:none;min-height:40px;line-height:1.2}
.btn:hover{border-color:var(--blue);text-decoration:none}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.gold{background:var(--gold);color:var(--text-dark);border-color:var(--gold)}
.btn.danger{color:var(--bad);border-color:var(--bad)}
.btn.ghost{background:none;border-color:transparent;color:var(--info)}
.btn.sm{padding:5px 10px;min-height:32px;font-size:.85rem;border-radius:8px}
.btn.big{padding:15px 28px;font-size:1.1rem;border-radius:14px;min-height:54px}
.auth-switch{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:14px;font-size:.9rem;color:var(--muted)}.auth-switch .btn{min-height:36px;padding:7px 12px}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn .spin{width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.hero .btn{border-color:rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#fff}
.hero .btn.gold{background:var(--gold);color:var(--text-dark);border-color:var(--gold)}
input[type=text],input[type=email],input[type=password],input[type=url],input[type=date],input[type=time],input[type=number],input[type=search],select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:10px;background:var(--card);min-height:40px;font-size:16px}
@media(min-width:901px){input[type=text],input[type=email],input[type=password],input[type=url],input[type=date],input[type=time],input[type=number],input[type=search],select,textarea{font-size:.95rem}}
textarea{min-height:100px;resize:vertical}
label{display:block;font-size:.85rem;font-weight:600;margin:0 0 4px}
.field{margin-bottom:12px}
.chip{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:999px;font-size:.76rem;font-weight:600;border:1px solid var(--line);background:var(--card2);white-space:nowrap}
.chip.ok{background:var(--ok-bg);color:var(--ok);border-color:transparent}.chip.warn{background:var(--warn-bg);color:var(--warn);border-color:transparent}.chip.bad{background:var(--bad-bg);color:var(--bad);border-color:transparent}.chip.info{background:var(--info-bg);color:var(--info);border-color:transparent}.chip.gold{background:var(--gold-soft);color:var(--gold-ink);border-color:transparent}
:root[data-theme=dark] .chip.gold{color:var(--gold)}
button.chip{cursor:pointer;font-family:inherit}
button.chip.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.tabs{display:flex;gap:2px;overflow-x:auto;border-bottom:1px solid var(--line);margin-bottom:16px;scrollbar-width:thin}
.tabs a,.tabs button{padding:9px 14px;color:var(--muted);text-decoration:none;white-space:nowrap;border:0;background:none;border-bottom:2px solid transparent;cursor:pointer;font-weight:550}
.tabs .on{color:var(--ink);border-bottom-color:var(--gold)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{padding:7px 12px;background:var(--card);border:0;cursor:pointer;border-right:1px solid var(--line)}
.seg button:last-child{border:0}.seg .on{background:var(--accent);color:var(--accent-ink)}
.bar{height:8px;border-radius:99px;background:var(--line);overflow:hidden}.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold-light));border-radius:99px;transition:width .4s}
.bar.ok>i{background:var(--ok)}.bar.bad>i{background:var(--bad)}
.ring{--p:0;width:86px;height:86px;border-radius:50%;background:conic-gradient(var(--gold) calc(var(--p)*1%),var(--line) 0);display:grid;place-items:center;flex:none}
.ring::before{content:"";width:68px;height:68px;border-radius:50%;background:var(--card);grid-area:1/1}
.ring b{grid-area:1/1;font-size:1.15rem;z-index:1;font-family:var(--serif)}
.ring.sm{width:56px;height:56px}.ring.sm::before{width:44px;height:44px}.ring.sm b{font-size:.85rem}
.pill{padding:2px 9px;border-radius:99px;font-size:.74rem;font-weight:650}
.st-Not\ Started{background:var(--card2);color:var(--muted);border:1px solid var(--line)}.st-Studying{background:var(--info-bg);color:var(--info)}.st-Needs\ Review{background:var(--warn-bg);color:var(--warn)}.st-Mastered{background:var(--ok-bg);color:var(--ok)}
.yield-very_high{background:var(--bad-bg);color:var(--bad)}.yield-high{background:var(--warn-bg);color:var(--warn)}.yield-moderate{background:var(--gold-soft);color:var(--gold-ink)}.yield-low{background:var(--card2);color:var(--muted);border:1px solid var(--line)}
table{border-collapse:collapse;width:100%}th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}
.empty{text-align:center;padding:34px 16px;color:var(--muted)}.empty h3{color:var(--ink)}
.banner{padding:12px 16px;border-radius:12px;border:1px solid var(--gold);background:var(--gold-soft);margin-bottom:14px}
.banner.bad{border-color:var(--bad);background:var(--bad-bg)}.banner.info{border-color:var(--info);background:var(--info-bg)}
.list>*{padding:10px 0;border-bottom:1px solid var(--line)}.list>*:last-child{border:0}
.kbd{font:.75rem ui-monospace,monospace;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:0 5px;background:var(--card2)}

/* content typography (AI output) */
.prose{font-family:var(--serif);font-size:1.02rem;line-height:1.65}
.prose h1,.prose h2,.prose h3{margin-top:1em}.prose table{margin:.6em 0}.prose th{background:var(--card2)}.prose td,.prose th{border:1px solid var(--line)}
.prose blockquote{border-left:3px solid var(--gold);margin:.6em 0;padding:.1em 1em;color:var(--muted)}
.prose ul,.prose ol{padding-left:1.3em}.prose code{background:var(--card2);padding:1px 5px;border-radius:5px}
.sec{border-top:1px solid var(--line);padding-top:12px;margin-top:14px}.sec>h3{display:flex;gap:8px;align-items:center;color:var(--navy2)}
:root[data-theme=dark] .sec>h3{color:var(--gold)}
.official{border-left:4px solid var(--gold);background:var(--card2);padding:8px 12px;border-radius:0 10px 10px 0;margin:6px 0}
.official .tag,.ai-tag{font:700 .68rem var(--font);text-transform:uppercase;letter-spacing:.06em;color:var(--gold-ink)}
.ai-tag{color:var(--info)}
.case-card{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:8px 0;background:var(--card2)}
.alac>div{padding:8px 12px;border-left:4px solid var(--gold);background:var(--card2);margin:6px 0;border-radius:0 10px 10px 0}
.alac b.l{display:block;font:700 .72rem var(--font);text-transform:uppercase;letter-spacing:.06em;color:var(--gold-ink);margin-bottom:2px}
.cite{display:inline-flex;gap:6px;align-items:center;margin:2px 4px 2px 0}
.src{display:inline-block;padding:2px 9px;border-radius:8px;background:var(--card2);border:1px solid var(--line);font-size:.75rem;margin:2px 4px 2px 0}
.src b{color:var(--gold-ink)}
.flag{cursor:pointer;opacity:.35;font-size:1.05rem;background:none;border:0;padding:2px}.flag.on{opacity:1}

/* flashcard + recitation */
.fc{min-height:260px;display:grid;place-items:center;text-align:center;padding:26px;font-family:var(--serif);font-size:1.25rem;cursor:pointer;user-select:none}
.fc .side{font:700 .7rem var(--font);color:var(--gold-ink);letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px}
.rate{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.rate button{padding:10px 4px;border-radius:12px;border:1px solid var(--line);background:var(--card);cursor:pointer;font-weight:600}
.rate button small{display:block;font-weight:400;color:var(--muted)}
.rate .again{color:var(--bad)}.rate .hard{color:var(--warn)}.rate .good{color:var(--ok)}.rate .easy{color:var(--info)}
.bubble{max-width:760px;padding:12px 16px;border-radius:16px;margin:10px 0;line-height:1.55}
.bubble.prof{background:var(--navy);color:#fff;border-bottom-left-radius:4px}
.bubble.prof .who{color:var(--gold);font:700 .7rem var(--font);text-transform:uppercase;letter-spacing:.08em}
.bubble.stu{background:var(--gold-soft);margin-left:auto;border-bottom-right-radius:4px;color:var(--ink)}
.evalcard{border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin:6px 0 14px;background:var(--card2)}
.scoreline{display:grid;grid-template-columns:110px 1fr 46px;gap:8px;align-items:center;font-size:.85rem;margin:3px 0}
details>summary{cursor:pointer;font-weight:600;padding:4px 0}
.timeline{border-left:3px solid var(--gold);padding-left:14px}.timeline>div{margin-bottom:12px;position:relative}.timeline>div::before{content:"";position:absolute;left:-21px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--gold)}
.mermaid{background:var(--card2);border-radius:12px;padding:10px;overflow:auto;text-align:center}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.cal .d{min-height:78px;border:1px solid var(--line);border-radius:10px;padding:4px 6px;font-size:.74rem;background:var(--card);cursor:pointer;overflow:hidden}
.cal .d.today{border-color:var(--gold);box-shadow:inset 0 0 0 1px var(--gold)}.cal .d.sel{background:var(--gold-soft)}.cal .d.off{opacity:.45}.cal .h{font:700 .7rem var(--font);color:var(--muted);text-align:center;padding:4px}
.cal .ev{display:block;border-radius:5px;padding:0 4px;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ev.exam{background:var(--bad-bg);color:var(--bad)}.ev.class{background:var(--info-bg);color:var(--info)}.ev.task{background:var(--gold-soft);color:var(--gold-ink)}
@media(max-width:600px){.cal .d{min-height:54px}.cal .ev{display:none}.cal .dot{display:block!important}}
.cal .dot{display:none;width:6px;height:6px;border-radius:50%;background:var(--gold);margin:2px auto}

/* modal + toast */
#modal-root .back{position:fixed;inset:0;background:rgba(5,12,24,.55);z-index:100;display:grid;place-items:center;padding:14px;overflow:auto}
#modal-root .box{background:var(--card);border-radius:18px;padding:20px 22px;width:min(560px,100%);max-height:92vh;overflow:auto;box-shadow:0 20px 60px rgba(0,0,0,.35)}
#modal-root .box.wide{width:min(900px,100%)}
#toasts{position:fixed;right:14px;bottom:78px;z-index:200;display:flex;flex-direction:column;gap:8px;max-width:min(420px,calc(100vw - 28px))}
.toast{background:var(--navy);color:#fff;padding:11px 15px;border-radius:12px;box-shadow:var(--shadow);animation:in .2s;border-left:4px solid var(--gold)}
.toast.bad{border-left-color:var(--bad)}.toast.ok{border-left-color:var(--ok)}
@keyframes in{from{opacity:0;transform:translateY(8px)}}
.boot{padding:60px;text-align:center;color:var(--muted)}
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(160deg,var(--navy),var(--navy2) 55%,var(--primary-bright))}
.auth-card{width:min(440px,100%);background:var(--card);border-radius:20px;padding:26px;box-shadow:0 24px 70px rgba(0,0,0,.4)}
.auth-card .brand{color:var(--navy);padding-left:0;font-size:1.5rem}
:root[data-theme=dark] .auth-card .brand{color:#fff}
.landing{max-width:1120px;margin:0 auto}
.landing-nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:4px 0 30px;border-bottom:1px solid var(--line)}
.landing-nav .brand{padding:0;color:var(--ink);font-size:1.45rem;text-decoration:none}
.landing-nav .brand b{color:var(--info)}
.landing-nav nav,.landing-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.landing-hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.85fr);gap:clamp(24px,5vw,72px);align-items:center;padding:clamp(40px,7vw,84px) 0}
.landing-copy h1{font-size:clamp(2rem,4.3vw,3.5rem);line-height:1.13;max-width:680px;margin:14px 0 20px}
.landing-copy>p{font-size:1.08rem;max-width:620px;color:var(--muted)}
.landing-kicker{display:inline-block;color:var(--info);font-size:.78rem;font-weight:750;text-transform:uppercase;letter-spacing:.09em}
.landing-actions{margin:26px 0 12px}
.landing-copy .landing-note{font-size:.85rem;margin:12px 0 0}
.landing-preview{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}
.landing-preview-title{color:var(--info);font-size:.82rem;font-weight:750;text-transform:uppercase;letter-spacing:.06em;margin-bottom:18px}
.landing-preview-step{padding:15px 0;border-top:1px solid var(--line);display:grid;gap:4px}
.landing-preview-step b{color:var(--ink)}.landing-preview-step span{color:var(--muted);font-size:.91rem}
.landing-details{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;padding-bottom:34px}
.landing-details>div{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:19px}
.landing-details b{color:var(--ink)}.landing-details p{color:var(--muted);font-size:.9rem;margin:6px 0 0}
@media(max-width:740px){.landing-hero{grid-template-columns:1fr;padding:36px 0}.landing-details{grid-template-columns:1fr}.landing-nav{flex-wrap:wrap;padding-bottom:16px}.landing-nav nav{width:100%}.landing-actions .btn{width:100%}}
.ob-subjects{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px}
.ob-subjects label{display:flex;gap:8px;align-items:center;font-weight:500;padding:8px 10px;border:1px solid var(--line);border-radius:10px;margin:0;cursor:pointer}
.ob-subjects input{width:auto;min-height:0}
.daychk{display:flex;gap:4px;flex-wrap:wrap}.daychk label{display:inline-flex;gap:3px;align-items:center;margin:0;font-weight:500;font-size:.8rem;border:1px solid var(--line);padding:3px 8px;border-radius:99px}.daychk input{width:auto;min-height:0}
.typing::after{content:"…";animation:bl 1s infinite}@keyframes bl{50%{opacity:.2}}
@media print{#sidebar,#topbar,#bottomnav,.disclaimer,.noprint,#toasts{display:none!important}#view{padding:0}.card{box-shadow:none}}

/* live conversation */
.orb{width:128px;height:128px;border-radius:50%;margin:12px auto;background:radial-gradient(circle at 30% 28%,var(--gold-light),var(--gold) 58%,var(--primary-dark));box-shadow:0 0 0 0 rgba(244,215,25,.4);transition:transform .08s,box-shadow .3s,filter .3s}
.orb[data-state=speaking]{animation:orbpulse 1.1s ease-in-out infinite}
.orb[data-state=listening]{box-shadow:0 0 0 10px rgba(244,215,25,.22)}
.orb[data-state=thinking]{animation:orbthink 1.4s ease-in-out infinite;filter:saturate(.7)}
.orb[data-state=muted],.orb[data-state=connecting],.orb[data-state=grading]{filter:grayscale(.9);opacity:.6}
@keyframes orbpulse{0%,100%{transform:scale(1);box-shadow:0 0 0 0 rgba(244,215,25,.45)}50%{transform:scale(1.08);box-shadow:0 0 0 18px rgba(244,215,25,0)}}
@keyframes orbthink{50%{opacity:.55}}
.lvl{height:6px;border-radius:99px;background:var(--line);overflow:hidden;max-width:220px;margin:6px auto}.lvl>i{display:block;height:100%;width:0;background:var(--ok);transition:width .08s}

/* background task tray */
#tasks{position:fixed;left:14px;bottom:14px;z-index:150;display:flex;flex-direction:column;gap:8px;max-width:min(320px,calc(100vw - 28px));pointer-events:auto}
#tasks .task-panel,#tasks .task-summary{background:var(--card);border:1px solid var(--gold);border-radius:12px;box-shadow:var(--shadow);font-size:.88rem}
#tasks .task-panel{padding:9px 10px;max-height:min(58vh,470px);display:flex;flex-direction:column}
#tasks .task-tray-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 2px 8px}
#tasks .task-tray-head span,#tasks .task-summary>span:nth-child(2){display:grid;gap:1px}
#tasks small{display:block;color:var(--muted);font-size:.75rem;font-weight:500}
#tasks .task-list{display:flex;flex-direction:column;gap:8px;overflow:auto;overscroll-behavior:contain;padding-right:2px}
#tasks .task{display:flex;gap:10px;align-items:center;background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:9px 10px;font-size:.88rem}
#tasks .spin{width:16px;height:16px;border:2px solid var(--gold);border-right-color:transparent;border-radius:50%;animation:sp .7s linear infinite;flex:none}
#tasks .task-summary{width:100%;display:flex;align-items:center;gap:10px;padding:9px 12px;text-align:left;color:var(--text);cursor:pointer;font:inherit}
#tasks .task-summary:hover{border-color:var(--blue)}
#tasks .task-chevron{margin-left:auto;font-size:1.05rem;color:var(--muted)}
#tasks .task-tray-toggle{width:28px;height:28px;border:1px solid var(--line);border-radius:8px;background:var(--card2);color:var(--text);font-size:1.3rem;line-height:1;cursor:pointer}
#tasks .task-tray-toggle:hover{border-color:var(--blue);color:var(--blue)}
@media(max-width:900px){#tasks{bottom:74px}#tasks .task-panel{max-height:min(48vh,420px)}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}
@media(prefers-contrast:more){:root:not([data-theme=dark]){--line:#B8C2E0;--muted:#4F5E87}:root[data-theme=dark]{--line:#53608D;--muted:#C0C9EA}.btn,.chip,input[type=text],input[type=email],input[type=password],input[type=url],input[type=date],input[type=time],input[type=number],input[type=search],select,textarea{border-width:2px}}