:root{--bg:#f7f7fb;--card:#fff;--ink:#16162a;--muted:#62627a;--accent:#6c4df0;--accent2:#00b8d4;--accent3:#d612f5;--line:#e6e6f0;--soft:#f0eefe;--shadow:0 1px 2px rgba(20,20,50,.06),0 8px 24px rgba(20,20,50,.06);--shadow-lg:0 12px 40px rgba(60,40,140,.18);--grad:linear-gradient(120deg,var(--accent2),var(--accent) 55%,var(--accent3));--logo-filter:none;--glass:rgba(255,255,255,.78);--r:16px}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0e0e18;--card:#181826;--ink:#ececf8;--muted:#9c9cb6;--line:#2a2a40;--soft:#22203a;--accent:#8c78ff;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3);--logo-filter:invert(1) hue-rotate(180deg);--glass:rgba(24,24,38,.78)}}
:root[data-theme=dark]{--bg:#0e0e18;--card:#181826;--ink:#ececf8;--muted:#9c9cb6;--line:#2a2a40;--soft:#22203a;--accent:#8c78ff;--shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3);--logo-filter:invert(1) hue-rotate(180deg);--glass:rgba(24,24,38,.78)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:Inter,system-ui,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.ic{width:1em;height:1em;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
/* header */
header{background:var(--glass);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.nav{display:flex;align-items:center;gap:24px;height:68px}
.nav .logo img{height:26px;display:block;filter:var(--logo-filter)}
.nav nav{display:flex;gap:2px;flex:1}
.nav nav a{color:var(--ink);padding:7px 14px;border-radius:99px;font-size:.93rem;font-weight:500}
.nav nav a.active{background:var(--soft);color:var(--accent)}
.nav nav a:hover{text-decoration:none;background:var(--soft)}
.auth{display:flex;gap:8px;align-items:center}
.who{display:flex;align-items:center;gap:8px;font-size:.88rem;font-weight:500}
.who i{font-style:normal;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700}
.who em{font-style:normal;background:var(--soft);color:var(--accent);border-radius:99px;padding:1px 9px;font-size:.72rem}
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;border:1.5px solid var(--line);color:var(--ink);background:var(--card);padding:8px 18px;border-radius:99px;font:inherit;font-size:.9rem;font-weight:600;cursor:pointer;transition:transform .15s,box-shadow .15s,border-color .15s}
.btn:hover{text-decoration:none;border-color:var(--accent);transform:translateY(-1px)}
.btn.primary{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 18px rgba(108,77,240,.35)}
.btn.primary:hover{box-shadow:0 10px 26px rgba(108,77,240,.45)}
.btn.ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45);backdrop-filter:blur(6px)}
.btn.lg{padding:12px 26px;font-size:1rem}.btn.sm{padding:5px 12px;font-size:.8rem}
.icon-btn{border:0;background:none;font-size:1.15rem;cursor:pointer;color:var(--ink);display:grid;place-items:center;width:36px;height:36px;border-radius:50%}
.icon-btn:hover{background:var(--soft)}
.menu-toggle{display:none}
/* hero */
.hero{margin:22px 0 0}
.hero-img{position:relative;border-radius:24px;overflow:hidden;min-height:440px;background:#111 url(../logos/hero.jpg) center/cover;display:flex;align-items:flex-end;box-shadow:var(--shadow-lg)}
.hero-img::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,8,28,.9) 0%,rgba(9,8,28,.55) 50%,rgba(9,8,28,.05) 100%),linear-gradient(0deg,rgba(9,8,28,.6),transparent 50%)}
.hero-text{position:relative;padding:48px;color:#fff;max-width:680px}
.eyebrow{display:inline-flex;gap:8px;align-items:center;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);backdrop-filter:blur(6px);padding:4px 14px;border-radius:99px;font-size:.8rem;font-weight:600;margin-bottom:16px}
.hero-text h1{margin:0 0 14px;font-size:clamp(2rem,5vw,3.3rem)}
.hero-text h1 span{background:linear-gradient(90deg,#5ee7ff,#c9a7ff,#ff7bf5);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-text p{margin:0 0 24px;font-size:1.08rem;opacity:.92;max-width:540px}
.hero-text .row{display:flex;gap:12px;flex-wrap:wrap}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:-38px 24px 0;position:relative;z-index:2}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:center}
.stat .ic{font-size:1.9rem;color:var(--accent);background:var(--soft);padding:9px;border-radius:12px;box-sizing:content-box;width:1.05em;height:1.05em}
.stat b{display:block;font-size:1.65rem;line-height:1.1;letter-spacing:-.02em}
.stat span{color:var(--muted);font-size:.85rem}
/* sections */
.sect{margin:72px 0}
.sect-head{text-align:center;max-width:680px;margin:0 auto 32px}
.sect-head h2{font-size:clamp(1.6rem,3.4vw,2.3rem);margin:0 0 10px}
.sect-head p{color:var(--muted);margin:0}
.kicker{color:var(--accent);font-weight:700;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase}
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:56px 0 18px}
.toolbar h2{margin:0;flex:1 1 200px;font-size:1.5rem}
input,select,textarea{font:inherit;color:var(--ink);background:var(--card);border:1.5px solid var(--line);border-radius:12px;padding:9px 12px;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(108,77,240,.18)}
input[type=range]{padding:0;accent-color:var(--accent);width:100%}input[type=checkbox]{accent-color:var(--accent)}
input[type=color]{padding:2px;height:40px;width:60px;cursor:pointer}
.seg{display:flex;border:1.5px solid var(--line);border-radius:12px;overflow:hidden}
.seg button{border:0;background:var(--card);color:var(--muted);padding:8px 13px;cursor:pointer;font-size:1rem;display:grid;place-items:center}
.seg button.on{background:var(--accent);color:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;min-height:280px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;color:var(--ink);overflow:hidden;position:relative}
.card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);text-decoration:none}
.thumb{height:132px;display:flex;align-items:center;justify-content:space-between;padding:10px 16px;overflow:hidden;background:#fff;color:#6c4df0;border-bottom:1px solid var(--line)}
.thumb img.sq{height:108px;width:108px;object-fit:contain}
.thumb img.uni{width:100%;height:100%;object-fit:contain}
.thumb .weeks{font:italic 600 1.55rem Montserrat,Inter,sans-serif;text-align:right;line-height:1.2}
.wm{font:700 1.6rem Georgia,serif;width:100%;text-align:center;line-height:1.1}
.wm small{display:block;font:600 .6rem Inter,sans-serif;letter-spacing:.12em;text-transform:uppercase;margin-top:4px}
.body{padding:14px 18px;flex:1;font-size:.74rem;color:var(--muted)}
.body .t{display:block;font-size:1rem;font-weight:600;color:var(--ink);margin:4px 0 2px;line-height:1.3}
.badges{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px}
.badge{background:var(--soft);color:var(--accent);border-radius:99px;padding:2px 10px;font-size:.72rem;font-weight:600}
.foot{padding:12px 18px 16px;font-size:.78rem;color:var(--muted);display:flex;justify-content:space-between}
.grid.list{grid-template-columns:1fr}
.grid.list .card{flex-direction:row;min-height:0;align-items:center}
.grid.list .thumb{width:250px;height:100px;flex:none;border:0}.grid.list .thumb img.sq{height:84px;width:84px}
.grid.list .body{flex:1}
.empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:40px}
/* feature cards */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;transition:transform .2s,box-shadow .2s,border-color .2s}
.feat:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent)}
.feat .ico{width:50px;height:50px;border-radius:14px;background:var(--soft);color:var(--accent);display:grid;place-items:center;font-size:1.65rem;margin-bottom:14px}
.feat h3{margin:0 0 6px;font-size:1.05rem}.feat p{margin:0;color:var(--muted);font-size:.9rem}
.feat.hl{background:var(--grad);border:0;color:#fff}.feat.hl p{color:rgba(255,255,255,.9)}.feat.hl .ico{background:rgba(255,255,255,.2);color:#fff}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--shadow)}
/* course page */
.coursehead{position:relative;display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap;border-radius:24px;padding:32px;margin-top:22px;color:#fff;background:linear-gradient(120deg,#0d0b2e,#2b1a6b 60%,#6b1aa8);overflow:hidden;box-shadow:var(--shadow-lg)}
.coursehead::before{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(0,184,212,.45),transparent 70%)}
.coursehead>*{position:relative}
.coursehead h1{margin:6px 0 4px;font-size:clamp(1.6rem,3.5vw,2.4rem)}
.coursehead .thumb{border-radius:16px;min-width:270px;justify-content:center;border:0;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.crumb{font-size:.85rem;opacity:.8}.crumb a{color:#fff}
.layout{display:grid;grid-template-columns:1fr 310px;gap:32px;margin:28px 0}
.side{position:sticky;top:90px;align-self:start}
.tabs{display:flex;gap:6px;margin-bottom:22px;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:99px;padding:5px;width:fit-content;max-width:100%}
.tabs button{border:0;background:none;color:var(--muted);padding:8px 18px;cursor:pointer;font:inherit;font-weight:600;font-size:.9rem;border-radius:99px;display:flex;gap:8px;align-items:center}
.tabs button.on{background:var(--grad);color:#fff}
.tabpane{display:none}.tabpane.on{display:block;animation:fade .25s}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1}}
.side dl{margin:0}.side dt{color:var(--muted);font-size:.78rem;margin-top:14px;text-transform:uppercase;letter-spacing:.06em}.side dd{margin:0;font-weight:600}
.learn{display:grid;grid-template-columns:1fr 1fr;gap:10px 20px;list-style:none;padding:0}
.learn li{display:flex;gap:10px;font-size:.93rem}.learn .ic{color:var(--accent);margin-top:4px;font-size:1.05rem}
.acc{border:1px solid var(--line);border-radius:14px;background:var(--card);margin-bottom:10px;overflow:hidden}
.acc>button{width:100%;text-align:left;border:0;background:none;color:var(--ink);font:inherit;font-weight:600;padding:14px 18px;cursor:pointer;display:flex;justify-content:space-between;gap:12px;align-items:center}
.acc>button::after{content:"";width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .2s;margin:0 4px 4px 0;flex:none}
.acc.open>button::after{transform:rotate(-135deg);margin-bottom:-4px}
.acc.open{border-color:var(--accent)}
.acc .in{display:none;padding:0 18px 16px;color:var(--muted)}.acc.open .in{display:block}
.acc ul{margin:0;padding:0;list-style:none}.acc li{padding:9px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:8px;font-size:.92rem;color:var(--ink)}
.acc li small{color:var(--muted)}
.staff{display:flex;gap:20px;align-items:flex-start}
.staff img{width:112px;height:112px;border-radius:18px;object-fit:cover;flex:none;box-shadow:var(--shadow)}
.staff p{margin:.3em 0;font-size:.92rem;color:var(--muted)}
.progress{height:8px;background:var(--line);border-radius:99px;overflow:hidden}.progress i{display:block;height:100%;background:var(--grad);border-radius:99px;transition:width .3s}
.mc{display:grid;gap:14px}
.mc .row{display:flex;gap:16px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px 16px;box-shadow:var(--shadow)}
.mc .row .thumb{width:140px;height:68px;border-radius:10px;border:1px solid var(--line);flex:none;padding:6px}.mc .row .thumb img.sq{height:54px;width:54px}.mc .row .thumb .weeks{font-size:.85rem}.mc .row .thumb .wm{font-size:.95rem}.mc .row .thumb .wm small{display:none}
.mc .row>div:nth-child(2){flex:1;min-width:0}
/* instructors */
.ihero{margin-top:22px;border-radius:24px;padding:56px 40px;color:#fff;position:relative;overflow:hidden;background:linear-gradient(120deg,#0d0b2e,#2b1a6b 60%,#6b1aa8);box-shadow:var(--shadow-lg)}
.ihero::before{content:"";position:absolute;right:-100px;top:-100px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(0,184,212,.5),transparent 70%)}
.ihero::after{content:"";position:absolute;left:35%;bottom:-160px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(214,18,245,.35),transparent 70%)}
.ihero>*{position:relative;z-index:1}.ihero h1{font-size:clamp(2rem,4.5vw,3.1rem);margin:12px 0;max-width:760px}.ihero p{max-width:600px;opacity:.9;font-size:1.05rem;margin:0 0 24px}
.pillrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.pillrow span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);padding:4px 14px;border-radius:99px;font-size:.82rem;display:flex;gap:6px;align-items:center}
.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative;counter-reset:f}
.flow .fs{text-align:center;padding:0 8px;position:relative}
.flow .fs::before{content:"";position:absolute;top:31px;left:50%;width:100%;height:3px;background:var(--grad);opacity:.35}
.flow .fs:last-child::before{display:none}
.flow .fi{width:64px;height:64px;border-radius:20px;margin:0 auto 12px;background:var(--card);border:2px solid var(--accent);color:var(--accent);display:grid;place-items:center;font-size:1.7rem;position:relative;z-index:1;box-shadow:var(--shadow)}
.flow b{display:block;font-size:.95rem}.flow small{color:var(--muted);font-size:.8rem;line-height:1.35;display:block}
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.portal{border-radius:var(--r);padding:24px;border:1px solid var(--line);background:var(--card)}
.portal h3{margin:8px 0}.portal .tag{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.stepblock{display:grid;grid-template-columns:64px 1fr;gap:20px;margin-bottom:22px}
.stepnum{width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:1.2rem;display:grid;place-items:center;box-shadow:0 6px 16px rgba(108,77,240,.35);position:relative}
.stepblock:not(:last-child) .stepcol{position:relative}
.stepblock:not(:last-child) .stepcol::after{content:"";position:absolute;left:23px;top:56px;bottom:-22px;width:2px;background:var(--line)}
.stepbody{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;box-shadow:var(--shadow)}
.stepbody h3{margin:0 0 4px;font-size:1.2rem}.stepbody>p{margin:0 0 12px;color:var(--muted)}
.chk{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:8px 24px}
.chk li{font-size:.93rem}.chk li:has(>.ic){display:flex;gap:10px}.chk li:not(:has(>.ic))::before{content:"\2022";color:var(--accent);margin-right:8px;font-weight:700}.chk .ic{color:var(--accent);margin-top:5px;font-size:1rem}
.tip{margin-top:14px;background:var(--soft);border-radius:12px;padding:10px 14px;font-size:.88rem;display:flex;gap:10px}.tip .ic{color:var(--accent);margin-top:4px;font-size:1.05rem}
.adminbox{border:1.5px dashed var(--accent);border-radius:var(--r);padding:22px;background:var(--card)}
pre.mail{white-space:pre-wrap;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:16px;font:inherit;font-size:.88rem;margin:0}
/* studio dashboard */
.dash{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-lg);overflow:hidden;display:grid;grid-template-columns:230px 1fr}
.dnav{background:var(--soft);padding:18px 12px;display:flex;flex-direction:column;gap:4px}
.dnav .brand{display:flex;gap:10px;align-items:center;padding:6px 10px 14px;font-weight:700}.dnav .brand img{width:34px;height:34px;border-radius:8px;background:#fff;padding:2px}
.dnav button{border:0;background:none;text-align:left;font:inherit;font-weight:600;font-size:.92rem;padding:10px 12px;border-radius:12px;cursor:pointer;color:var(--muted);display:flex;gap:10px;align-items:center}
.dnav button:hover{background:rgba(108,77,240,.1)}.dnav button.on{background:var(--card);color:var(--accent);box-shadow:var(--shadow)}
.dmain{padding:26px;min-width:0}.dmain h3{margin:0 0 4px;font-size:1.3rem}.dmain .sub{color:var(--muted);margin:0 0 20px;font-size:.92rem}
.dpane{display:none}.dpane.on{display:block;animation:fade .25s}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin-bottom:20px}
.kpi{background:var(--bg);border-radius:14px;padding:12px 16px}.kpi b{font-size:1.5rem;display:block;line-height:1.2}.kpi span{font-size:.78rem;color:var(--muted)}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:16px}
.fields label,.lbl{font-size:.82rem;font-weight:600;color:var(--muted);display:block}.fields input,.fields select{width:100%;margin-top:4px}
.lect{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:8px}
.lect .mod{grid-column:1/-1;font-weight:700;font-size:.85rem;margin-top:10px;color:var(--accent)}
.lect label{display:flex;gap:10px;align-items:center;padding:9px 12px;border:1.5px solid var(--line);border-radius:12px;font-size:.88rem;cursor:pointer;transition:border-color .15s,background .15s}
.lect label:has(input:checked){border-color:var(--accent);background:var(--soft)}
.lect label small{margin-left:auto;color:var(--muted);white-space:nowrap}
.drops{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.drop{border:2px dashed var(--line);border-radius:var(--r);padding:18px;text-align:center;transition:border-color .15s,background .15s}
.drop.over{border-color:var(--accent);background:var(--soft)}
.drop .ico{font-size:2rem;color:var(--accent)}.drop h4{margin:6px 0 2px}.drop p{margin:0 0 10px;font-size:.8rem;color:var(--muted)}
.files{list-style:none;padding:0;margin:12px 0 0;text-align:left;font-size:.84rem}
.files li{display:flex;gap:8px;align-items:center;padding:6px 8px;background:var(--bg);border-radius:8px;margin-bottom:6px}
.files li{flex-wrap:wrap}.files li select{order:9;flex:1 1 100%;padding:4px 8px;font-size:.78rem}
.files li span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.files li small{color:var(--muted)}
.files button{border:0;background:none;color:var(--muted);cursor:pointer;font-size:1rem}
.linkadd{display:flex;gap:6px;margin-top:8px}.linkadd input{flex:1;min-width:0;padding:6px 10px;font-size:.82rem}
.preview{border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);max-width:340px}
.preview .pt{height:110px;display:flex;align-items:center;gap:12px;padding:0 18px;color:#fff;font-weight:700;background:var(--brand,#6c4df0)}
.preview .pt img{max-height:64px;max-width:120px;background:#fff;border-radius:10px;padding:4px}
.preview .pb{padding:14px 18px;font-size:.85rem;color:var(--muted);background:var(--card)}.preview .pb b{color:var(--ink);font-size:1rem;display:block}
.pbtn{display:inline-block;margin-top:10px;background:var(--brand,#6c4df0);color:#fff;border-radius:99px;padding:5px 16px;font-size:.8rem;font-weight:600}
.wrow{display:grid;grid-template-columns:160px 1fr 50px;gap:12px;align-items:center;margin-bottom:12px;font-size:.9rem}.wrow b{text-align:right}
.total{font-weight:700}.total.bad{color:#e03a5a}.total.ok{color:#14a37f}
.switch{display:flex;gap:10px;align-items:center;font-size:.92rem;margin:8px 0}
.res{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.res a{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;color:var(--ink);transition:transform .2s,box-shadow .2s,border-color .2s}
.res a:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--accent)}
.res a .ico{font-size:1.6rem;color:var(--accent);margin-bottom:8px}.res a b{display:flex;justify-content:space-between;gap:8px}.res a p{margin:4px 0 0;color:var(--muted);font-size:.88rem}
.recgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:16px}
/* modal */
.modal{position:fixed;inset:0;background:rgba(10,8,30,.6);backdrop-filter:blur(4px);display:none;place-items:center;z-index:60;padding:16px;overflow:auto}.modal.open{display:grid}
.mbox{background:var(--card);border-radius:24px;width:100%;max-width:470px;box-shadow:var(--shadow-lg);overflow:hidden;animation:fade .25s}
.mtop{padding:24px 28px 0;position:relative}.mtop img{height:24px;filter:var(--logo-filter)}
.mclose{position:absolute;right:16px;top:16px}
.mtabs{display:flex;margin:16px 28px 0;border-bottom:1px solid var(--line)}
.mtabs button{flex:1;border:0;background:none;padding:10px;font:inherit;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px}
.mtabs button.on{color:var(--accent);border-color:var(--accent)}
.mform{padding:20px 28px 26px;display:grid;gap:12px}
.roles{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.role{border:1.5px solid var(--line);border-radius:14px;padding:12px;text-align:left;cursor:pointer;background:var(--card);color:var(--ink);font:inherit;display:flex;flex-direction:column;gap:2px;transition:border-color .15s,background .15s}
.role .ic{font-size:1.5rem;color:var(--accent);margin-bottom:4px}.role b{font-size:.95rem}.role small{color:var(--muted);font-size:.76rem;line-height:1.3}
.role.on{border-color:var(--accent);background:var(--soft);box-shadow:0 0 0 3px rgba(108,77,240,.15)}
.mform label{font-size:.8rem;font-weight:600;color:var(--muted);display:block}.mform input,.mform select,.mform textarea{width:100%;margin-top:4px}
.mform h3{margin:0;font-size:1.3rem}.mform .hint{margin:-6px 0 0;color:var(--muted);font-size:.86rem}
.done{padding:36px 28px;text-align:center}.done .ok{width:64px;height:64px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;margin:0 auto 14px;font-size:2rem}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#1b1b30;color:#fff;padding:11px 20px;border-radius:99px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:70;box-shadow:var(--shadow-lg)}.toast.show{opacity:1}
footer{border-top:1px solid var(--line);margin-top:80px;padding:28px 0;color:var(--muted);font-size:.86rem;background:var(--card)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center}
footer .l img{height:24px;filter:var(--logo-filter)}
footer .r{display:flex;align-items:center;gap:12px}footer .r img{height:26px}
/* chatbot */
.chat-fab{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;background:var(--grad);color:#fff;border:0;display:grid;place-items:center;cursor:pointer;box-shadow:0 10px 26px rgba(108,77,240,.4);z-index:55;transition:transform .15s}
.chat-fab:hover{transform:scale(1.06)}.chat-fab .ic{width:26px;height:26px;stroke-width:1.8}
.chat-panel{position:fixed;right:22px;bottom:90px;width:340px;max-width:calc(100vw - 32px);height:460px;max-height:calc(100vh - 140px);background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;z-index:55;opacity:0;pointer-events:none;transform:translateY(12px) scale(.98);transition:opacity .18s,transform .18s}
.chat-panel.open{opacity:1;pointer-events:auto;transform:translateY(0) scale(1)}
.chat-head{display:flex;align-items:center;gap:10px;padding:14px;background:var(--grad);color:#fff;flex:none}
.chat-head-ico{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.22);display:grid;place-items:center;flex:none}.chat-head-ico .ic{width:18px;height:18px}
.chat-head-t{flex:1;min-width:0;line-height:1.25}.chat-head-t b{display:block;font-size:.92rem}
.chat-head-t span{display:block;font-size:.76rem;opacity:.85;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-head .icon-btn{color:#fff;flex:none}
.chat-body{flex:1;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--bg)}
.chat-msg{max-width:84%;padding:9px 12px;border-radius:14px;font-size:.86rem;line-height:1.4;word-break:break-word}
.chat-msg.bot{background:var(--card);border:1px solid var(--line);border-bottom-left-radius:4px;align-self:flex-start}
.chat-msg.user{background:var(--grad);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.chat-cta{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.chat-cta-btn{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--accent);color:var(--accent);background:var(--soft);border-radius:99px;padding:4px 10px;font-size:.76rem;font-weight:600;cursor:pointer;font-family:inherit;text-decoration:none}
.chat-cta-btn:hover{text-decoration:none;background:var(--accent);color:#fff}
.chat-cta-btn .ic{width:12px;height:12px}
.chat-msg.typing{display:flex;gap:4px;padding:12px 14px;align-items:center}
.chat-msg.typing span{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:chatTyping 1s infinite ease-in-out}
.chat-msg.typing span:nth-child(2){animation-delay:.15s}.chat-msg.typing span:nth-child(3){animation-delay:.3s}
@keyframes chatTyping{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
.chat-chips{display:flex;gap:6px;flex-wrap:wrap;padding:0 14px 10px;background:var(--bg);flex:none}
.chat-chips button{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:99px;padding:5px 11px;font-size:.76rem;cursor:pointer}
.chat-chips button:hover{border-color:var(--accent);color:var(--accent)}
.chat-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line);background:var(--card);flex:none}
.chat-form input{flex:1}.chat-form button{width:38px;height:38px;border-radius:50%;padding:0;flex:none}
@media(max-width:480px){.chat-panel{right:16px;bottom:82px;width:calc(100vw - 32px)}.chat-fab{right:16px;bottom:16px}}
@media(max-width:900px){.dash{grid-template-columns:1fr}.dnav{flex-direction:row;overflow:auto;padding:10px}.dnav .brand{display:none}.dnav button{white-space:nowrap}
.flow{grid-template-columns:1fr 1fr;gap:20px}.flow .fs::before{display:none}.two{grid-template-columns:1fr}}
@media(max-width:800px){.stats{grid-template-columns:repeat(2,1fr);margin:-30px 8px 0}.layout{grid-template-columns:1fr}.side{position:static}.menu-toggle{display:grid}
.nav nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--card);flex-direction:column;padding:8px 16px;border-bottom:1px solid var(--line)}.nav nav.open{display:flex}.nav .auth{margin-left:auto}
.hero-text{padding:28px 22px}.hero-img{min-height:420px}.grid.list .card{flex-direction:column;align-items:stretch}.grid.list .thumb{width:auto}
.learn{grid-template-columns:1fr}.stepblock{grid-template-columns:44px 1fr;gap:12px}.stepnum{width:40px;height:40px}.stepbody{padding:16px}.ihero{padding:36px 22px}.wrow{grid-template-columns:110px 1fr 44px}.staff{flex-direction:column}.who span{display:none}}