/* Palette: jadihebat red + Kolabaja warm paper. */
:root{
  --bg:#F6F2EA; --panel:#FFFDF9; --soft:#EFE9DE; --line:#E3DBCD; --line-2:#D3C9B8;
  --ink:#17100F; --ink-2:#564A49; --muted:#857B70;
  --red:#E3000C; --red-2:#B52A2A; --red-soft:#FFE6E3; --red-glow:#FFD9DB;
  --dark:#171011; --dark-2:#241A1B; --on-dark:#F3EDE4; --on-dark-2:#A99D93;
  --ok:#1A7F4B; --ok-soft:#DDF0E4; --warn:#A36500; --warn-soft:#FBEFD6;
  --r:18px; --sh:3px 3px 0 var(--ink); --sh-lg:5px 5px 0 var(--ink);
  --sans:'General Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --serif:'Instrument Serif',Georgia,serif;
  --mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--sans);background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}
[hidden]{display:none!important}
h1,h2,h3{line-height:1.1;letter-spacing:-.02em;margin:0;font-weight:600}
.em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--red);letter-spacing:0}
.mono{font-family:var(--mono)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1.5px solid var(--ink);border-radius:999px;padding:11px 20px;font-weight:600;background:var(--red);color:#fff;box-shadow:var(--sh);transition:transform .12s,box-shadow .12s;text-decoration:none;line-height:1.2}
.btn:hover{transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:var(--sh)}
.btn.dark{background:var(--ink);color:var(--on-dark)}
.btn.ghost{background:var(--panel);color:var(--ink)}
.btn.sm{padding:7px 14px;font-size:14px;box-shadow:2px 2px 0 var(--ink)}
.link{background:none;border:0;padding:0;font-weight:600;color:inherit;text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:2px;text-underline-offset:5px}
.label{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.02em;text-transform:uppercase;color:var(--muted);margin:22px 0 10px}
.note{font-size:13px;color:var(--muted);margin-top:10px}
.actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:20px}
.chip{display:inline-flex;gap:6px;align-items:center;border:1.5px solid var(--ink);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:600;background:var(--panel)}
.chip.red{background:var(--red);color:#fff}
.field{display:block;margin-top:14px}
.field>span{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;border:1.5px solid var(--ink);border-radius:12px;padding:10px 13px;background:var(--panel)}
.field textarea{min-height:90px;resize:vertical;line-height:1.5}
.field input::placeholder,.field textarea::placeholder{color:#AFA597}

/* HERO */
.hero{background:var(--dark);color:var(--on-dark);min-height:100vh;position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(227,0,12,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(227,0,12,.09) 1px,transparent 1px);background-size:56px 56px}
.brandbar{max-width:1240px;margin:0 auto;padding:22px 24px 0;display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:500;color:var(--on-dark-2)}
.brandbar b{color:var(--on-dark);font-weight:600}
.hero-in{max-width:1240px;margin:0 auto;padding:40px 24px 72px;display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;min-height:calc(100vh - 60px)}
.eyebrow{display:inline-flex;align-items:center;gap:12px;color:var(--red-glow);font-family:var(--mono);font-size:13px}
.eyebrow::after{content:"";width:34px;height:1.5px;background:var(--red)}
.hero h1{font-size:clamp(44px,6.2vw,82px);margin:18px 0 22px;font-weight:600}
.hero h1 .em{color:#FF4A54;font-size:1.08em}
.hero p.lead{font-size:clamp(17px,1.5vw,19px);color:var(--on-dark-2);max-width:34em;margin:0 0 30px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:22px;align-items:center}
.hero .link{color:var(--on-dark)}
.hero .meta{margin-top:30px;font-size:14px;color:var(--on-dark-2)}
.hero .meta b{color:var(--on-dark);font-weight:600}
.mods{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mcard{background:var(--panel);color:var(--ink);border:1.5px solid var(--ink);border-radius:var(--r);padding:16px;box-shadow:5px 5px 0 #000;text-align:left;display:flex;flex-direction:column;gap:8px;transition:transform .15s}
.mcard:hover{transform:translateY(-3px)}
.mcard:nth-child(2){background:var(--red);color:#fff}
.mcard:nth-child(2) .mn,.mcard:nth-child(2) small{color:#FFE1DF}
.mcard:nth-child(5){grid-column:1/-1}
.mcard .mn{font-family:var(--mono);font-size:12px;color:var(--muted)}
.mcard h3{font-size:18px}
.mcard small{color:var(--muted);font-size:13px}

/* JOIN MODAL */
.modal{position:fixed;inset:0;background:rgba(23,16,15,.6);display:grid;place-items:center;padding:16px;z-index:50}
.modal-box{background:var(--panel);border:1.5px solid var(--ink);border-radius:22px;box-shadow:var(--sh-lg);padding:28px;width:100%;max-width:440px}
.modal-box h2{font-size:26px}
.modal-box p{color:var(--ink-2);margin:8px 0 0}
.err{color:var(--red-2);font-size:14px;font-weight:600;margin-top:10px}

/* APP SHELL */
.app{display:grid;grid-template-columns:300px 1fr;min-height:100vh}
.side{background:var(--soft);border-right:1px solid var(--line);padding:16px;position:sticky;top:0;height:100vh;overflow:auto;display:flex;flex-direction:column;gap:14px}
.side-head{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px}
.logo{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--muted)}
.logo i{width:24px;height:24px;border-radius:7px;background:var(--red);display:grid;place-items:center;font-style:normal;font-weight:700;font-size:11px;color:#fff}
.side-head h2{font-size:17px;margin:10px 0 12px}
.segs{display:flex;gap:4px}
.segs span{flex:1;height:5px;border-radius:3px;background:var(--line)}
.segs span.on{background:var(--red)}
.segs span.half{background:linear-gradient(90deg,var(--red) 50%,var(--line) 50%)}
.pct{display:flex;justify-content:space-between;align-items:baseline;margin-top:10px}
.pct b{font-size:20px}
.pct small{color:var(--muted);font-size:13px}
.resume{display:flex;gap:10px;align-items:center;margin-top:12px;padding:10px;border:1.5px solid var(--ink);border-radius:12px;background:var(--red-soft);text-align:left;width:100%}
.resume small{display:block;font-size:11px;color:var(--muted)}
.resume b{font-size:13px}
.tree{list-style:none;margin:0;padding:0}
.tree>li{border-top:1px solid var(--line)}
.tree>li:first-child{border-top:0}
.mod-btn{width:100%;display:flex;align-items:center;gap:10px;background:none;border:0;padding:12px 6px;text-align:left;font-weight:600;font-size:14px;border-radius:10px}
.mod-btn:hover{background:rgba(0,0,0,.035)}
.mod-btn .n{width:24px;height:24px;flex:none;border-radius:7px;display:grid;place-items:center;background:var(--line);font-size:12px;font-weight:700}
.mod-btn.cur .n{background:var(--ink);color:#fff}
.mod-btn .cnt{margin-left:auto;font-family:var(--mono);font-size:11px;padding:2px 7px;border-radius:999px;background:var(--line);color:var(--ink-2)}
.mod-btn .cnt.full{background:var(--red);color:#fff}
.les{list-style:none;margin:0 0 8px 17px;padding:0 0 0 12px;border-left:1.5px solid var(--line-2)}
.les a{display:flex;gap:9px;align-items:center;padding:7px 8px;border-radius:9px;text-decoration:none;font-size:14px;color:var(--ink-2)}
.les a:hover{background:rgba(0,0,0,.035)}
.les a[aria-current="page"]{background:var(--red-soft);color:var(--ink);font-weight:600}
.les .c{width:16px;height:16px;flex:none;border-radius:50%;border:1.5px solid var(--line-2);display:grid;place-items:center}
.les .c.ok{background:var(--red);border-color:var(--red);color:#fff}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:2px}
.side-foot button,.side-foot a{background:none;border:0;text-align:left;color:var(--muted);font-weight:500;padding:6px 8px;font-size:13px;text-decoration:none}
.side-foot button:hover,.side-foot a:hover{color:var(--ink)}
.main{padding:28px clamp(16px,4vw,56px) 80px;width:100%;max-width:880px;margin:0 auto}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;font-size:13px;color:var(--muted)}

/* LESSON */
.crumb{display:inline-flex;gap:8px;align-items:center;font-family:var(--mono);font-size:12px;color:var(--muted)}
.crumb i{width:10px;height:10px;border-radius:3px;background:var(--red)}
.lesson-h h1{font-size:clamp(30px,4vw,44px);margin:10px 0 10px}
.lesson-h .meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.blocks{margin-top:26px;display:flex;flex-direction:column;gap:22px}
.blocks>p{margin:0;font-size:17px;color:var(--ink-2)}
.blocks>p b{color:var(--ink)}
.blocks>h2{font-size:24px;margin-top:10px;display:flex;gap:10px;align-items:center}
.blocks>h2::before{content:"";width:12px;height:12px;border-radius:4px;background:var(--red);flex:none}
.blist{margin:0;padding-left:22px;color:var(--ink-2);font-size:16px}
.blist li+li{margin-top:6px}
.blist b{color:var(--ink)}
.callout{border-left:4px solid var(--ink);background:var(--panel);border-radius:0 14px 14px 0;padding:16px 18px}
.callout.penting{border-color:var(--red);background:var(--red-soft)}
.callout b.t{display:block;margin-bottom:4px}
.callout p{margin:0;color:var(--ink-2)}
.tbl{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line-2);border-radius:14px;overflow:hidden;background:var(--panel);font-size:14px}
.tbl th{background:var(--ink);color:var(--on-dark);text-align:left;font-weight:600;padding:10px 14px}
.tbl td{padding:10px 14px;border-top:1px solid var(--line);vertical-align:top;color:var(--ink-2)}
.tbl td:first-child{font-weight:600;color:var(--ink)}
.tbl-wrap{overflow-x:auto}
.card{background:var(--panel);border:1.5px solid var(--ink);border-radius:var(--r);box-shadow:var(--sh-lg);padding:22px}
.game-tag{display:inline-block;background:var(--red);color:#fff;font-size:11px;font-weight:600;padding:3px 10px;border-radius:999px;border:1.5px solid var(--ink)}
.card>h3{font-size:20px;margin:10px 0 14px}
.cta-box{background:var(--dark);color:var(--on-dark);border:1.5px solid var(--ink);border-radius:20px;padding:26px;box-shadow:var(--sh-lg);display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.cta-box h3{font-size:24px}
.cta-box p{color:var(--on-dark-2);margin:8px 0 0}
.lnav{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:center;margin-top:44px;padding-top:22px;border-top:1px solid var(--line)}
.lnav .pv,.lnav .nx{display:flex;flex-direction:column;border:1.5px solid var(--ink);border-radius:14px;padding:10px 14px;background:var(--panel);text-decoration:none;box-shadow:var(--sh);min-width:0}
.lnav .nx{text-align:right;background:var(--ink);color:var(--on-dark)}
.lnav small{font-size:11px;font-family:var(--mono);opacity:.7}
.lnav b{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lnav .done-btn[aria-pressed="true"]{background:var(--ok);color:#fff}

/* quiz: swipe */
.swipe-stage{display:grid;place-items:center;padding:10px 0 4px}
.swipe-card{width:min(360px,100%);min-height:170px;background:var(--panel);border:1.5px solid var(--ink);border-radius:16px;padding:18px;box-shadow:6px 6px 0 var(--red-glow),7px 7px 0 var(--ink);display:flex;flex-direction:column;justify-content:center;text-align:center}
.swipe-card small{font-family:var(--mono);font-size:11px;color:var(--muted)}
.swipe-card b{font-size:20px;line-height:1.3;margin-top:6px}
.swipe-card.good{background:var(--ok-soft)} .swipe-card.bad{background:var(--red-soft)}
.swipe-card p{margin:8px 0 0;font-size:14px;color:var(--ink-2)}
.swipe-btns{display:flex;gap:12px;justify-content:center;margin-top:18px;flex-wrap:wrap}
/* quiz: mitos grid + aman rows */
.qgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.qcard{border:1.5px solid var(--ink);border-radius:14px;padding:12px;background:var(--panel);display:flex;flex-direction:column;gap:10px;justify-content:space-between}
.qcard q{font-weight:600;font-size:14px}
.qcard.good{background:var(--ok-soft)} .qcard.bad{background:var(--red-soft)}
.qcard p{margin:0;font-size:13px;color:var(--ink-2)}
.two{display:flex;gap:6px}
.two button{flex:1;border:1.5px solid var(--ink);border-radius:999px;background:var(--panel);padding:5px 8px;font-size:13px;font-weight:600}
.two button:hover{background:var(--soft)}
.two .yes{background:var(--ok-soft)} .two .no{background:var(--red-soft)}
.qrow{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;border:1.5px solid var(--ink);border-radius:12px;padding:10px 12px;background:var(--panel)}
.qrow+.qrow{margin-top:8px}
.qrow.good{background:var(--ok-soft)} .qrow.bad{background:var(--red-soft)}
.qrow p{grid-column:1/-1;margin:0;font-size:13px;color:var(--ink-2)}
.qrow .two{width:170px}
.verdict-tag{font-family:var(--mono);font-size:11px;font-weight:600}
.qfoot{display:flex;justify-content:space-between;align-items:center;margin-top:14px;font-size:13px;color:var(--muted)}

/* SIMULATIONS */
.sim{border:1.5px solid var(--ink);border-radius:20px;background:var(--panel);box-shadow:var(--sh-lg);padding:22px}
.sim-h{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.sim-h .game-tag{background:var(--ink)}
.sim-h b{font-size:18px}
.task{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;border:1.5px solid var(--ink);border-radius:14px;padding:12px 14px;background:var(--panel)}
.task+.task{margin-top:10px}
.task .tt{font-weight:600;font-size:15px}
.task .th{font-size:12px;color:var(--muted);font-family:var(--mono)}
.seg{display:flex;border:1.5px solid var(--ink);border-radius:999px;overflow:hidden;background:var(--panel)}
.seg button{border:0;background:none;padding:7px 11px;font-size:13px;font-weight:600;white-space:nowrap}
.seg button+button{border-left:1.5px solid var(--ink)}
.seg button[aria-pressed="true"]{background:var(--ink);color:#fff}
.fb{grid-column:1/-1;font-size:13px;border-radius:10px;padding:8px 12px;display:flex;gap:8px;align-items:flex-start}
.fb.good{background:var(--ok-soft)} .fb.bad{background:var(--red-soft)}
.fb svg{flex:none;margin-top:2px}
.stat{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stat4{grid-template-columns:repeat(4,1fr)}
.stat>div{border:1.5px solid var(--ink);border-radius:14px;padding:14px;background:var(--bg)}
.stat b{display:block;font-size:28px;font-weight:600;letter-spacing:-.02em}
.stat span{font-size:13px;color:var(--muted)}
.stat .hi{background:var(--red);color:#fff}
.stat .hi span{color:#FFE1DF}
.grid2{display:grid;grid-template-columns:1.15fr 1fr;gap:22px;align-items:start}
.types{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.type{border:1.5px solid var(--ink);border-radius:12px;background:var(--panel);padding:10px;text-align:left}
.type b{display:block;font-size:14px}
.type span{font-size:12px;color:var(--muted)}
.type[aria-pressed="true"]{background:var(--ink);color:#fff}
.type[aria-pressed="true"] span{color:var(--on-dark-2)}
.idcard{background:var(--dark);color:var(--on-dark);border:1.5px solid var(--ink);border-radius:20px;padding:22px;position:sticky;top:20px;overflow:hidden}
.idcard::after{content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;background:var(--red);opacity:.9}
.idcard .top{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;color:var(--on-dark-2);position:relative;z-index:1}
.avatar{width:76px;height:76px;border-radius:20px;background:var(--panel);display:grid;place-items:center;margin:18px 0 14px;color:var(--red);font-family:var(--serif);font-style:italic;font-size:44px;position:relative;z-index:1}
.idcard h3{font-size:28px}
.idcard .role{color:#FF6B73;font-weight:600;margin-top:2px}
.idcard dl{margin:16px 0 0;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.idcard dt{color:var(--on-dark-2)} .idcard dd{margin:0;font-weight:500}
.sop-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.opt{display:flex;gap:10px;align-items:flex-start;border:1.5px solid var(--ink);border-radius:12px;padding:9px 12px;background:var(--panel);cursor:pointer;font-size:14px}
.opt+.opt{margin-top:8px}
.opt input{width:17px;height:17px;margin:2px 0 0;accent-color:var(--red);flex:none}
.opt:has(input:checked){background:var(--red-soft)}
.meter{height:10px;border:1.5px solid var(--ink);border-radius:999px;overflow:hidden;background:var(--panel)}
.meter i{display:block;height:100%;background:var(--red);transition:width .3s}
pre.prompt{white-space:pre-wrap;word-break:break-word;background:var(--dark);color:#EDE5DA;border-radius:14px;padding:16px;font:400 12.5px/1.65 var(--mono);margin:0;max-height:480px;overflow:auto}
.sticky{position:sticky;top:20px}
.shift{display:grid;grid-template-columns:340px 1fr;gap:22px;align-items:start}
.phone{border-radius:30px;background:var(--ink);padding:9px;position:sticky;top:20px}
.phone-in{border-radius:22px;overflow:hidden;background:#EDE6DA;display:flex;flex-direction:column;height:560px}
.ph-top{background:var(--dark-2);color:#fff;padding:11px 14px;display:flex;gap:10px;align-items:center}
.ph-top i{width:34px;height:34px;border-radius:50%;background:var(--red);display:grid;place-items:center;color:#fff;font-style:normal;font-weight:700}
.ph-top b{display:block;font-size:14px}
.ph-top small{font-size:11px;color:var(--on-dark-2)}
.chat{flex:1;overflow:auto;padding:14px 12px;display:flex;flex-direction:column;gap:8px}
.msg{max-width:85%;padding:8px 12px;border-radius:12px;font-size:14px;line-height:1.4;box-shadow:0 1px 0 rgba(0,0,0,.08)}
.msg.in{background:#fff;align-self:flex-start;border-top-left-radius:4px}
.msg.out{background:#DCF3D2;align-self:flex-end;border-top-right-radius:4px}
.msg.sys{align-self:center;background:#FFF1D6;font-size:12px;max-width:100%}
.msg .who{display:block;font-size:11px;font-weight:600;color:var(--ok);margin-bottom:2px}
.msg.in .who{color:var(--red-2)}
.verdict{align-self:flex-end;font-size:11px;font-weight:600;padding:2px 9px;border-radius:999px;margin-top:-2px}
.verdict.good{background:var(--ok-soft);color:var(--ok)} .verdict.bad{background:var(--red-soft);color:var(--red-2)}
.typing{align-self:flex-end;background:#DCF3D2;border-radius:12px;padding:10px 14px;display:flex;gap:4px}
.typing span{width:6px;height:6px;border-radius:50%;background:#5f8a55;animation:blink 1s infinite}
.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}
@keyframes blink{0%,100%{opacity:.25}50%{opacity:1}}
.lesson-box{border:1.5px solid var(--ink);border-radius:16px;padding:16px}
.lesson-box.good{background:var(--ok-soft)} .lesson-box.bad{background:var(--red-soft)} .lesson-box.wait{background:var(--bg)}
.lesson-box h3{font-size:19px;margin-bottom:6px}
.lesson-box p{margin:0}
.lesson-box .fix{margin-top:10px;font-size:14px;font-weight:600}
.scorebar{display:flex;gap:6px;margin-top:12px}
.scorebar span{flex:1;height:9px;border-radius:5px;border:1.5px solid var(--ink);background:var(--panel)}
.scorebar span.good{background:var(--ok)} .scorebar span.bad{background:var(--red)}
.req{border:1.5px solid var(--ink);border-radius:18px;background:var(--bg);padding:22px;max-width:600px}
.req .from{display:flex;gap:10px;align-items:center;font-size:14px;font-weight:600;color:var(--muted)}
.req .from i{width:28px;height:28px;border-radius:8px;background:var(--red);display:grid;place-items:center;font-style:normal;font-weight:700;color:#fff}
.req h3{font-size:23px;margin:12px 0 6px}
.req .ctx{color:var(--muted);margin:0}
.timer{height:7px;border-radius:4px;background:var(--line);margin-top:18px;overflow:hidden}
.timer i{display:block;height:100%;background:var(--red);width:100%}
.toggle{display:inline-flex;gap:8px;align-items:center;font-size:13px;font-weight:600}
.toggle input{width:16px;height:16px;accent-color:var(--red)}
.road{list-style:none;margin:0;padding:0}
.road li{display:grid;grid-template-columns:38px 1fr auto;gap:14px;align-items:center;padding:10px 0;position:relative}
.road li::before{content:"";position:absolute;left:18px;top:42px;bottom:-10px;border-left:1.5px dashed var(--line-2)}
.road li:last-child::before{display:none}
.road .ic{width:38px;height:38px;border-radius:50%;border:1.5px solid var(--ink);display:grid;place-items:center;background:var(--panel);position:relative;z-index:1}
.road .ic.done{background:var(--red);color:#fff;border-color:var(--red)}
.road b{display:block;font-size:15px}
.road small{color:var(--muted)}
.road .where{font-family:var(--mono);font-size:11px;padding:3px 9px;border-radius:999px;border:1.5px solid var(--ink);white-space:nowrap}
.road .where.you{background:var(--ink);color:#fff}
.footer{text-align:center;font-size:13px;color:var(--muted);padding:24px}
.loading{display:grid;place-items:center;min-height:60vh;color:var(--muted)}

@media (max-width:1100px){.stat4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:980px){
  .hero-in{grid-template-columns:1fr;padding-top:40px}
  .app{grid-template-columns:1fr}
  .side{position:static;height:auto}
  .grid2,.sop-grid,.shift{grid-template-columns:1fr}
  .phone,.idcard,.sticky{position:static}
  .phone-in{height:500px}
  .cta-box{grid-template-columns:1fr}
  .qgrid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:600px){
  .mods{grid-template-columns:1fr}
  .task{grid-template-columns:1fr}
  .seg{width:100%}
  .seg button{flex:1;padding:8px 4px;font-size:12px;white-space:normal}
  .types,.stat,.qgrid{grid-template-columns:1fr}
  .stat4{grid-template-columns:1fr 1fr}
  .sim,.card{padding:16px}
  .qrow{grid-template-columns:1fr}
  .qrow .two{width:100%}
  .lnav{grid-template-columns:1fr 1fr}
  .lnav .done-btn{grid-column:1/-1;grid-row:1}
  .brandbar span:last-child{display:none}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* table highlight, demo-together steps, multiple choice */
.tbl caption{caption-side:top;text-align:left;font-size:13px;color:var(--muted);padding:0 2px 8px}
.tbl th.hl{background:var(--red)}
.tbl td.hl{background:var(--red-soft);color:var(--ink)}
.demo{background:var(--dark);color:var(--on-dark);border:1.5px solid var(--ink);border-radius:var(--r);padding:22px;box-shadow:var(--sh-lg)}
.demo-h{display:flex;justify-content:space-between;align-items:center;gap:10px}
.demo-h .mono{font-size:12px;color:var(--on-dark-2)}
.demo h3{font-size:20px;margin:10px 0 6px;color:var(--on-dark)}
.demo p{color:var(--on-dark-2)}
.demo .link{color:#FF8A90;display:inline-block;margin-top:14px}
.steps{list-style:none;counter-reset:s;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.steps button{display:flex;gap:12px;align-items:flex-start;width:100%;text-align:left;background:var(--dark-2);color:var(--on-dark);border:1px solid #3a2c2d;border-radius:12px;padding:10px 12px;font-size:14.5px;line-height:1.5}
.steps button:hover{border-color:#FF8A90}
.steps .box{flex:none;width:20px;height:20px;margin-top:1px;border:1.5px solid var(--on-dark-2);border-radius:6px;display:grid;place-items:center}
.steps button[aria-pressed="true"]{color:var(--on-dark-2)}
.steps button[aria-pressed="true"] .box{background:var(--red);border-color:var(--red)}
.steps button[aria-pressed="true"] .box::after{content:"";width:9px;height:5px;border:2px solid #fff;border-top:0;border-right:0;transform:rotate(-45deg) translate(1px,-1px)}
.steps button[aria-pressed="true"]>span:last-child{text-decoration:line-through;text-decoration-color:var(--on-dark-2)}
.choices{display:flex;flex-direction:column;gap:6px;grid-column:1/-1}
.choices button{text-align:left;border:1.5px solid var(--ink);border-radius:10px;background:var(--panel);padding:8px 12px;font-size:14px}
.choices button:hover{background:var(--soft)}
.qrow:has(.choices){grid-template-columns:1fr}

/* peta skill */
.dims{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.dims li{display:flex;gap:12px;align-items:center;justify-content:space-between;border:1.5px solid var(--ink);border-radius:12px;padding:10px 13px;background:var(--panel)}
.dims small{display:block;color:var(--muted);font-size:13px;margin-top:2px}
.lvl{flex:none;font-size:12px;font-weight:700;border-radius:99px;padding:4px 10px;border:1.5px solid var(--ink)}
.lvl.kuat{background:var(--red);color:#fff}.lvl.sedang{background:var(--red-soft)}.lvl.lemah{background:var(--bg);color:var(--muted)}
.ladder{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.ladder li{border:1.5px dashed var(--ink);border-radius:12px;padding:10px;font-size:14px;color:var(--muted)}
.ladder li.on{border-style:solid;background:var(--red);color:#fff}
.ladder li.past{border-style:solid;color:var(--ink)}
.ladder small{display:block;font-size:12px;margin-top:2px}
.draft{border:1.5px solid var(--ink);border-radius:14px;padding:14px 16px;background:var(--panel)}
.draft p{margin:0 0 8px}.draft ol{margin:6px 0 12px;padding-left:20px}.draft ol:last-child{margin-bottom:0}
.dimq{border:0;padding:0;margin:16px 0 0}.dimq legend{font-size:13px;font-weight:600;margin-bottom:6px;padding:0}
.note.err{color:var(--red)}
@media (max-width:640px){.ladder{grid-template-columns:1fr 1fr}}

.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:14px;font-weight:600;z-index:60;max-width:calc(100% - 32px);text-align:center}

/* ---------- polish: gate + mobile lesson list ---------- */
.modal.gate{background:radial-gradient(900px 500px at 85% 0%,rgba(227,0,12,.28),transparent 60%),radial-gradient(700px 400px at 0% 100%,rgba(227,0,12,.14),transparent 60%),var(--dark);overflow:auto}
.modal.gate .modal-box{box-shadow:8px 8px 0 var(--red)}
.gate-eyebrow{display:block;margin:18px 0 4px;font-family:var(--mono);font-size:12px;color:var(--red)}
.side-toggle{display:none}
.side-body{display:flex;flex-direction:column;gap:14px;flex:1}
@media (max-width:980px){
  .side{gap:10px;padding:12px;border-right:0;border-bottom:1px solid var(--line)}
  .side-head{display:grid;grid-template-columns:1fr auto;align-items:center;column-gap:10px}
  .side-head .logo,.side-head .segs,.side-head .pct,.side-head .resume{grid-column:1/-1}
  .side-head h2{margin:8px 0}
  .side-toggle{display:inline-block;border:1.5px solid var(--ink);background:var(--panel);border-radius:999px;padding:6px 12px;font-weight:600;font-size:13px;white-space:nowrap}
  .side-toggle[aria-expanded="true"]{background:var(--ink);color:#fff}
  .side-body{display:none}
  .side.open .side-body{display:flex;flex-direction:column;gap:14px}
}