.top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.brandbar{display:flex;justify-content:center;margin:2px 0 10px}
.brand{font:700 12px "JetBrains Mono",monospace;letter-spacing:3px;text-transform:lowercase;color:var(--mute);display:inline-flex;align-items:center;gap:8px}
.brand::before{content:"";width:9px;height:9px;border-radius:3px;background:var(--acc)}
.back{width:40px;height:40px;border-radius:50%;background:var(--card);border:1px solid var(--line);font-size:17px;flex:none;display:flex;align-items:center;justify-content:center;padding:0;line-height:0}
.back .ic{display:flex;line-height:0}
.back svg{display:block;transform:none}
.av{width:44px;height:44px;border-radius:50%;background:var(--red);color:var(--on-acc);display:grid;place-items:center;font-weight:800;font-size:18px;border:0;flex:none;overflow:hidden;padding:0}
.av-fb,.av-img{grid-area:1/1}
.av-img{width:100%;height:100%;object-fit:cover}
.av.big{width:72px;height:72px;font-size:28px}
.badge{display:inline-flex;gap:6px;align-items:center;background:var(--card);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:600}
.badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--yel)}
.pills{display:flex;gap:8px;overflow-x:auto;padding:2px 0 10px;scrollbar-width:none}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:8px 16px;font-weight:600;white-space:nowrap;flex:none}
.chip[aria-pressed=true]{background:var(--acc);border-color:var(--acc);color:var(--on-acc)}
.scroll{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 -18px;padding:4px 18px 8px;scrollbar-width:none}
.cd{flex:0 0 62%;scroll-snap-align:start;min-height:200px;border-radius:26px;padding:16px;display:flex;flex-direction:column;justify-content:space-between;text-decoration:none;color:var(--on-acc);position:relative;border:0;text-align:left;box-shadow:0 10px 30px -10px rgba(0,0,0,0.08)}
:root[data-theme="dark"] .cd{box-shadow:none}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .cd{box-shadow:none}}
.cd.c0{background:var(--acc)}
.cd.c1{background:var(--red)}
.cd.c2{background:var(--yel);color:var(--on-yel)}
.cd.soon{opacity:.55}
.cd .b{align-self:flex-start;background:rgba(0,0,0,.25);border-radius:999px;padding:3px 12px;font-size:13px;font-weight:600}
.cd.c2 .b{background:rgba(0,0,0,.12)}
.cd strong{font-size:20px;line-height:1.15;padding-right:44px}
.go{position:absolute;right:14px;bottom:14px;width:40px;height:40px;border-radius:50%;background:var(--on-acc);color:var(--on-yel);display:grid;place-items:center;font-size:18px}
.panel{background:var(--card);border-radius:22px;padding:16px;display:grid;gap:12px}
.panel .r{display:flex;justify-content:space-between;align-items:center;gap:10px;font-family:"JetBrains Mono",monospace;font-size:14px}
.seg{display:flex;background:var(--line);border-radius:8px;overflow:hidden}
.seg button{border:0;background:none;padding:5px 10px;font:600 13px "Bricolage Grotesque",sans-serif}
.seg button[aria-pressed=true]{background:var(--ink);color:var(--bg)}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 4px;border-top:1px solid var(--line);text-decoration:none;color:inherit;border-left:0;background:none;width:100%;text-align:left}
.row b{font-size:16px;line-height:1.25;display:block;font-weight:700}
.row .why{color:var(--acc);font-weight:600}
:root[data-theme="dark"] .row .why{color:var(--yel)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .row .why{color:var(--yel)}}
.row.soon{opacity:.55}
.num{width:30px;height:30px;border-radius:50%;background:var(--card);display:grid;place-items:center;font:700 13px "JetBrains Mono",monospace;flex:none}
.num.done{background:var(--okfb);color:var(--on-ok)}
.left{display:flex;gap:12px;align-items:center;min-width:0}
.opt{display:block;width:100%;text-align:left;border:1px solid var(--line);background:var(--card);border-radius:22px;padding:16px 18px;margin-bottom:10px}
.opt[aria-pressed=true]{background:var(--acc);border-color:var(--acc);color:var(--on-acc)}
.opt b{display:block;font-size:18px}
.opt span{font-size:14px;opacity:.8}
.btn{background:var(--ink);color:var(--bg);border:0;border-radius:999px;padding:13px 24px;font-weight:600;font-size:16px;margin-top:12px}
.btn:disabled{opacity:.35;cursor:not-allowed}
.btn.g{background:none;color:var(--ink);border:1px solid var(--line)}
.btn.block{display:block;width:100%;text-align:center}
.dots{display:flex;gap:6px;margin:10px 0 18px}
.linklike{border:0;background:none;padding:0;color:var(--acc);font:inherit;text-decoration:underline;cursor:pointer}
.ob-err{color:var(--red)}
.dots i{height:4px;flex:1;border-radius:9px;background:var(--line)}
.dots i.on{background:var(--acc)}
.tabs{position:fixed;left:0;right:0;bottom:0;padding:0 14px calc(12px + env(safe-area-inset-bottom,0px));pointer-events:none;z-index:5}
.tabs div{pointer-events:auto;max-width:440px;margin:0 auto;background:var(--dock);border:1px solid var(--line);border-radius:999px;padding:6px;display:flex;gap:4px;box-shadow:0 8px 30px rgba(0,0,0,.25)}
.tabs button{flex:1;border:0;background:none;color:var(--dockink);opacity:.6;padding:8px 6px 7px;border-radius:999px;font-weight:600;font-size:11px;display:flex;flex-direction:column;align-items:center;gap:3px}
.tabs button svg{display:block}
.tabs button[aria-pressed=true]{background:var(--acc);color:var(--on-acc);opacity:1}
.tabs button[aria-pressed=true] svg *{stroke-width:2.6}
.ic{display:inline-flex;align-items:center;justify-content:center}
.row .left .num svg{display:block}
.cover{border-radius:24px;overflow:hidden;background:var(--card)}
.cover .hero{padding:30px 22px;background:var(--acc);color:var(--on-acc)}
.cover .hero.c1{background:var(--red)}
.cover .hero.c2{background:var(--yel);color:var(--on-yel)}
.cover .hero span{opacity:.8}
.meta{display:flex;gap:16px;padding:14px 4px;flex-wrap:wrap}
.meta div{font-family:"JetBrains Mono",monospace;font-size:13px;color:var(--mute)}
.meta b{display:block;color:var(--ink);font-size:15px;font-family:"Bricolage Grotesque",sans-serif}
.lchip{display:inline-block;background:var(--card);border-radius:999px;padding:3px 12px;font-size:13px;font-weight:600;margin-bottom:10px}
.blk{position:relative;padding:14px 18px 14px 38px;border-top:1px solid var(--line);cursor:pointer;transition:background .25s,color .25s;border-radius:0}
.blk::before{content:"";position:absolute;left:12px;top:17px;width:11px;height:11px;background-color:var(--mute);-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E") center/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E") center/contain no-repeat}
.blk.act{background:var(--acc);color:var(--on-acc);border-radius:20px;border-color:transparent}
.blk.act::before{background-color:var(--yel)}
.blk.past{color:var(--mute)}
.blk.act code{background:rgba(255,255,255,.18)}
.blkfig{margin:12px 0 4px;border-radius:16px;overflow:hidden;background:var(--card)}
.blkfig img{display:block;width:100%}
.blkfig svg{display:block;width:100%;height:auto}
.blkfig figcaption{padding:6px 12px 10px;color:var(--mute);font-family:"JetBrains Mono",monospace;font-size:12px}
.term{background:var(--term);color:var(--termt);font:13px/1.65 "JetBrains Mono",monospace;padding:16px;min-height:150px}
.term .d{color:var(--term-dim)}
.term .box{border:1px solid var(--term-line);padding:8px 10px;margin:7px 0;border-radius:10px}
.term .tag{background:var(--yel);color:var(--on-yel);padding:0 7px;border-radius:5px}
.browser{background:var(--mock-bg);color:var(--mock-ink);font-family:system-ui,sans-serif}
.browser .top2{background:var(--mock-line);padding:7px 12px;font-size:12px;color:var(--mock-mute)}
.browser .hero2{padding:22px 18px;background:var(--mock-cream);text-align:center}
.browser h4{margin:0 0 6px;font-size:20px}
.browser .cta{display:inline-block;background:var(--mock-brown);color:var(--on-acc);padding:7px 16px;border-radius:99px;font-size:13px;margin-top:6px}
.browser .row2{display:flex;gap:8px;padding:12px 16px;font-size:12px}
.browser .row2 div{flex:1;background:var(--mock-soft);padding:8px;border-radius:9px}
.spot{outline:4px solid var(--yel);outline-offset:2px;animation:pulse 1.2s ease-in-out 3}
@keyframes pulse{50%{outline-color:transparent}}
@media(prefers-reduced-motion:reduce){.spot{animation:none}.blk{transition:none}html{scroll-behavior:auto}.bot-eyes,.speaking .bot-mouth,.spec i{animation:none}.speaking .bot-mouth{opacity:1;transform:none}.msg .w{opacity:1;transition:none}}
.check,.proj{border-radius:26px;padding:20px;margin-top:20px}
.check{background:var(--yel);color:var(--on-yel)}
.proj{background:var(--acc);color:var(--on-acc)}
.check h3,.proj h3{margin:0 0 6px;font-size:19px;color:inherit}
.check p{margin:0 0 12px;font-weight:600}
.check textarea,.proj textarea,.ask input{background:var(--mock-bg);color:var(--on-yel)}
.fb{margin-top:12px;padding:12px 16px;border-radius:16px;background:var(--ink);color:var(--bg);font-size:15px}
.fb ul{margin:8px 0 0;padding:0;list-style:none}
.fb .ok{color:var(--okfb)}
.fb .no{opacity:.75}
.mentor{position:fixed;left:0;right:0;bottom:0;padding:0 12px calc(12px + env(safe-area-inset-bottom,0px));z-index:6;pointer-events:none}
.mentor .in{pointer-events:auto;max-width:440px;margin:0 auto;background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:26px;padding:11px 13px;display:flex;gap:10px;align-items:center;flex-wrap:wrap;box-shadow:0 8px 30px rgba(0,0,0,.25)}
.av2{width:36px;height:36px;border-radius:50%;background:none;color:var(--ink);display:grid;place-items:center;flex:none;overflow:hidden;padding:0}
.av2 svg{width:100%;height:100%;display:block}
.spec{display:inline-flex;align-items:flex-end;gap:3px;height:20px}
.spec i{width:3.5px;height:100%;border-radius:2px;background:currentColor;transform-origin:bottom;animation:specb 1.1s ease-in-out infinite alternate}
.in.speaking .spec i{animation-duration:.45s}
.spec i:nth-child(2){animation-delay:.1s}
.spec i:nth-child(3){animation-delay:.25s}
.spec i:nth-child(4){animation-delay:.05s}
.spec i:nth-child(5){animation-delay:.3s}
.spec i:nth-child(6){animation-delay:.15s}
.spec i:nth-child(7){animation-delay:.2s}
@keyframes specb{from{transform:scaleY(.2)}to{transform:scaleY(1)}}
.msg .w{opacity:.45;transition:opacity .2s}
.msg .w.spoken{opacity:1}
.bot-eyes{transform-box:fill-box;transform-origin:center;animation:botlook 5s infinite}
@keyframes botlook{0%,86%,100%{transform:translateX(0) scaleY(1)}88%{transform:translateX(0) scaleY(.12)}90%{transform:translateX(0) scaleY(1)}93%{transform:translateX(-1.5px) scaleY(1)}96%{transform:translateX(1.5px) scaleY(1)}}
.bot-mouth{opacity:0;transform-box:fill-box;transform-origin:center}
.speaking .bot-mouth{opacity:1;animation:bottalk .35s ease-in-out infinite alternate}
@keyframes bottalk{from{transform:scaleY(.25)}to{transform:scaleY(1)}}
.msg{flex:1;min-width:170px;font-size:14px;line-height:1.4}
.msg small{display:block;margin-top:2px;color:var(--mute)}
.ctl{display:flex;gap:8px}
.ctl .btn{margin:0;background:var(--ink);color:var(--bg);padding:9px 16px;font-size:14px}
.ctl .btn.ghost{background:none;color:var(--ink);border:1px solid var(--line)}
.ask{margin-top:24px;border-top:1px solid var(--line);padding-top:14px}
.ask summary{cursor:pointer;font-weight:600}
.ask p{color:var(--mute);font-family:"JetBrains Mono",monospace;font-size:13px}
/* Gamifikasi */
.xpbar{background:var(--card);border-radius:22px;padding:14px 16px;display:grid;gap:8px;margin:12px 0 18px}
.xpbar .t{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-weight:700}
.xpbar .t .mono{font-weight:400}
.xtrack{height:10px;border-radius:99px;background:var(--line);overflow:hidden}
.xfill{height:100%;border-radius:99px;background:var(--acc);transition:width .4s}
.badges{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.badge-card{background:var(--card);border-radius:18px;padding:12px;display:grid;gap:2px}
.badge-card b{font-size:14px}
.badge-card span{font-size:12.5px;color:var(--mute)}
.badge-card.locked{opacity:.5}
.badge-card.earned{outline:2px solid var(--yel);outline-offset:-2px}
/* Responsif desktop: mobile-first di atas; di bawah ini hanya min-width */
@media(min-width:700px){
.scroll{flex-wrap:wrap;overflow:visible;margin:0;padding:4px 0 8px}
.cd{flex:1 1 44%;min-width:240px}
.tabs div,.mentor .in{max-width:680px}
.cover .hero{padding:40px 36px}
}
@media(min-width:1024px){
.scroll{display:grid;grid-template-columns:repeat(3,1fr);overflow:visible}
.cd{flex:none;min-height:220px}
.recs{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
.dtop{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;align-items:start;margin-top:14px}
.dtop .cover{margin-top:0}
.lessons{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
.badges{grid-template-columns:repeat(4,1fr)}
.tabs div,.mentor .in{max-width:720px}
}
.skel{background:var(--line);border-radius:12px;animation:pulse-skel 1.2s ease-in-out infinite}
@keyframes pulse-skel{50%{opacity:.5}}
@media(prefers-reduced-motion:reduce){.skel{animation:none}}
#toast-container{position:fixed;top:12px;left:50%;transform:translateX(-50%);z-index:50;display:grid;gap:8px;justify-items:center;pointer-events:none;width:min(92vw,440px)}
.toast-msg{background:var(--okfb);color:var(--bg);border-radius:14px;padding:10px 16px;font-size:14px;font-weight:600;box-shadow:0 8px 30px rgba(0,0,0,.25);max-width:100%}
.toast-msg.error{background:var(--red);color:var(--on-acc)}
.toast-msg.badge{background:var(--yel);color:var(--on-yel)}
.toast-msg.warn{background:var(--ink);color:var(--bg)}
.row[aria-disabled="true"]{opacity:.6}