/* =====================================================================
   Bekal Ujikom Digital Marketing — LP3I College Banda Aceh
   Gaya bersama untuk seluruh halaman
   ===================================================================== */

:root{
  --paper:#F4F6F1;
  --surface:#FFFFFF;
  --surface-2:#EAEEE5;
  --ink:#13201B;
  --ink-2:#3B4B44;
  --muted:#6C7C74;
  --line:#D6DDD2;
  --line-soft:#E6EBE1;
  --husk:#1F4B3F;
  --husk-ink:#1F4B3F;
  --husk-soft:#E1EDE6;
  --custard:#A9761A;
  --custard-mark:#D19A26;
  --custard-soft:#FAF0D9;
  --flag:#A8452A;
  --flag-soft:#F8E8E2;
  --ok:#2C6B4E;
  --ok-soft:#E2F0E5;
  --on-husk:#F4F6F1;
  --head-bg:#1F4B3F;
  --shadow:0 1px 2px rgba(19,32,27,.06), 0 10px 28px -16px rgba(19,32,27,.28);
  --r:10px;
  --maxw:1120px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#0E1512; --surface:#15201B; --surface-2:#1D2924;
    --ink:#E7EEE8; --ink-2:#BCC9C2; --muted:#8A9992;
    --line:#2B3933; --line-soft:#22302A;
    --husk:#7CC8A8; --husk-ink:#7CC8A8; --husk-soft:#182C25;
    --custard:#E4BA63; --custard-mark:#E4BA63; --custard-soft:#2A2415;
    --flag:#E5907A; --flag-soft:#2E1E19;
    --ok:#7CC8A8; --ok-soft:#182C22;
    --on-husk:#E7EEE8; --head-bg:#16261F;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 28px -16px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"]{
  --paper:#0E1512; --surface:#15201B; --surface-2:#1D2924;
  --ink:#E7EEE8; --ink-2:#BCC9C2; --muted:#8A9992;
  --line:#2B3933; --line-soft:#22302A;
  --husk:#7CC8A8; --husk-ink:#7CC8A8; --husk-soft:#182C25;
  --custard:#E4BA63; --custard-mark:#E4BA63; --custard-soft:#2A2415;
  --flag:#E5907A; --flag-soft:#2E1E19;
  --ok:#7CC8A8; --ok-soft:#182C22;
  --on-husk:#E7EEE8; --head-bg:#16261F;
  --shadow:0 1px 2px rgba(0,0,0,.4), 0 10px 28px -16px rgba(0,0,0,.7);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"IBM Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Bricolage Grotesque","IBM Plex Sans",sans-serif;
  font-weight:800;line-height:1.14;text-wrap:balance;margin:0;letter-spacing:-.015em;
}
p{margin:0}
a{color:var(--husk-ink)}
code,.mono{font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
:focus-visible{outline:2px solid var(--custard-mark);outline-offset:2px;border-radius:4px}
img{max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:99;background:var(--surface);padding:8px 12px;border-radius:8px}

/* ---------- masthead ---------- */
.masthead{background:var(--head-bg);color:var(--on-husk);padding:26px 0 22px;border-bottom:3px solid var(--custard-mark)}
.masthead .inner{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between}
.mh-eyebrow{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;opacity:.72;margin-bottom:8px}
.masthead h1{font-size:clamp(25px,4vw,40px);color:inherit}
.masthead h1 a{color:inherit;text-decoration:none}
.mh-sub{margin-top:8px;font-size:14.5px;opacity:.85;max-width:58ch}
.mh-meta{display:flex;gap:8px;flex-wrap:wrap}
.mh-chip{font-family:"IBM Plex Mono",monospace;font-size:11.5px;border:1px solid rgba(231,238,232,.3);border-radius:999px;padding:4px 11px;opacity:.9}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:40;background:var(--paper);border-bottom:1px solid var(--line)}
.nav .inner{display:flex;gap:2px;overflow-x:auto;align-items:center}
.nav a{
  font-size:14px;font-weight:600;color:var(--muted);text-decoration:none;
  padding:13px 14px 11px;white-space:nowrap;border-bottom:2.5px solid transparent;
}
.nav a:hover{color:var(--ink)}
.nav a.active{color:var(--husk-ink);border-bottom-color:var(--custard-mark)}
.nav .nnum{font-family:"IBM Plex Mono",monospace;font-size:11px;opacity:.65;margin-right:6px}

/* ---------- umum ---------- */
main{padding:34px 0 70px;display:block}
.lede{max-width:68ch;color:var(--ink-2);font-size:17px}
.sec{margin-top:38px}
.sec-head{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:6px}
h2{font-size:clamp(21px,2.6vw,27px)}
h3{font-size:19px}
.kicker{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.rule{height:1px;background:var(--line);margin:34px 0;border:0}
.foot{border-top:1px solid var(--line);padding:24px 0 40px;color:var(--muted);font-size:13px}
.foot a{color:var(--muted)}

/* ---------- kartu ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:14px;margin-top:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.card .c-k{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted)}
.card .c-v{font-family:"Bricolage Grotesque",sans-serif;font-size:27px;font-weight:800;margin-top:5px;font-variant-numeric:tabular-nums}
.card .c-d{font-size:13.5px;color:var(--ink-2);margin-top:4px}

/* kartu navigasi di beranda */
.navcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:20px}
.navcard{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;text-decoration:none;color:inherit;box-shadow:var(--shadow);
  transition:border-color .15s,transform .15s;
}
.navcard:hover{border-color:var(--husk);transform:translateY(-2px)}
.navcard .nc-step{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--custard)}
.navcard .nc-t{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:20px;margin-top:6px}
.navcard .nc-d{font-size:14px;color:var(--ink-2);margin-top:6px}
.navcard .nc-go{font-size:13px;font-weight:600;color:var(--husk-ink);margin-top:12px;display:inline-block}

/* ---------- kotak catatan ---------- */
.box{border-radius:var(--r);padding:14px 16px;font-size:14.5px;border:1px solid var(--line);margin-top:16px}
.box strong:first-child{display:block;margin-bottom:4px}
.box-terap{background:var(--custard-soft);border-color:rgba(209,154,38,.4)}
.box-jebak{background:var(--flag-soft);border-color:rgba(168,69,42,.4)}
.box-tips{background:var(--husk-soft);border-color:rgba(31,75,63,.32)}
.box ul{margin:6px 0 0;padding-left:19px}
.box li{margin-top:4px}

/* ---------- tabel ---------- */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);margin-top:16px}
table{border-collapse:collapse;width:100%;font-size:14px;min-width:520px}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line-soft);vertical-align:top}
thead th{background:var(--surface-2);font-size:11.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2);font-weight:600}
tbody tr:last-child td{border-bottom:0}
td.num,.tnum{font-variant-numeric:tabular-nums;font-family:"IBM Plex Mono",monospace}

/* ---------- unit (materi) ---------- */
.unit{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);margin-top:16px;overflow:hidden;box-shadow:var(--shadow)}
.unit > summary{list-style:none;cursor:pointer;padding:16px 18px;display:flex;gap:14px;align-items:flex-start;justify-content:space-between}
.unit > summary::-webkit-details-marker{display:none}
.unit > summary:hover{background:var(--surface-2)}
.u-left{display:flex;gap:14px;align-items:flex-start;min-width:0}
.u-code{font-family:"IBM Plex Mono",monospace;font-size:11.5px;font-weight:600;background:var(--husk-soft);color:var(--husk-ink);padding:5px 9px;border-radius:6px;white-space:nowrap;margin-top:2px}
.u-title{font-family:"Bricolage Grotesque",sans-serif;font-weight:600;font-size:17px;line-height:1.28;display:block}
.u-note{font-size:13px;color:var(--muted);margin-top:3px;display:block}
.u-caret{color:var(--muted);font-size:13px;flex:none;margin-top:4px;transition:transform .2s}
.unit[open] .u-caret{transform:rotate(90deg)}
.u-body{padding:2px 18px 20px;border-top:1px solid var(--line-soft)}
.u-body > *{margin-top:16px}
.u-body h4{font-size:14.5px;font-weight:600;font-family:"IBM Plex Sans",sans-serif}
.u-body ul,.u-body ol{margin:8px 0 0;padding-left:20px}
.u-body li{margin-top:5px}
.u-body p{max-width:70ch}

/* ---------- butir pembahasan ---------- */
.filterbar{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:12px 15px;margin-top:20px;position:sticky;top:46px;z-index:30;box-shadow:var(--shadow);
}
.filterbar label{font-size:13px;color:var(--muted);font-weight:600}
.filterbar select{
  font-family:"IBM Plex Sans",sans-serif;font-size:13.5px;padding:7px 10px;border-radius:8px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);max-width:100%;
}

.butir{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);margin-top:18px;overflow:hidden;box-shadow:var(--shadow)}
.b-head{display:flex;gap:12px;align-items:flex-start;padding:15px 18px;border-bottom:1px solid var(--line-soft);background:var(--surface-2);flex-wrap:wrap}
.b-no{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:22px;color:var(--custard);line-height:1;min-width:32px;font-variant-numeric:tabular-nums}
.b-meta{min-width:0}
.b-kode{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--husk-ink);font-weight:600}
.b-judul{font-size:13px;color:var(--muted)}

.b-step{padding:16px 18px;border-bottom:1px solid var(--line-soft)}
.b-step:last-child{border-bottom:0}
.b-tag{
  font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);display:block;margin-bottom:8px;
}
.b-q{font-size:15.5px;max-width:76ch}
.b-opsi{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}
.b-opsi li{display:flex;gap:11px;align-items:flex-start;border:1px solid var(--line);border-radius:8px;padding:9px 13px;font-size:14.5px}
.b-opsi .ol{font-family:"IBM Plex Mono",monospace;font-weight:600;color:var(--muted);flex:none}
.b-opsi li.benar{background:var(--ok-soft);border-color:var(--ok)}
.b-opsi li.benar .ol{color:var(--ok)}
.b-opsi li.benar .mark{margin-left:auto;color:var(--ok);font-size:12px;font-weight:600;white-space:nowrap}

.b-kunci{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:15px}
.b-kunci .huruf{
  font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:17px;
  background:var(--ok);color:var(--paper);width:30px;height:30px;border-radius:8px;
  display:grid;place-items:center;flex:none;
}
:root[data-theme="dark"] .b-kunci .huruf{color:#0E1512}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .b-kunci .huruf{color:#0E1512}}

.b-bahas h4{font-size:13.5px;font-weight:600;margin:14px 0 5px;font-family:"IBM Plex Sans",sans-serif;color:var(--ink)}
.b-bahas h4:first-child{margin-top:0}
.b-bahas p{font-size:14.5px;max-width:74ch}
.b-salah{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.b-salah li{display:flex;gap:10px;font-size:14px;color:var(--ink-2)}
.b-salah .ol{font-family:"IBM Plex Mono",monospace;font-weight:600;color:var(--flag);flex:none}
.b-konsep{margin-top:14px;font-size:13.5px;color:var(--muted)}
.b-konsep b{color:var(--ink-2)}
.b-catat{margin-top:14px;background:var(--flag-soft);border:1px solid rgba(168,69,42,.4);border-radius:8px;padding:11px 13px;font-size:13.5px}
.b-catat strong{display:block;margin-bottom:3px;color:var(--flag)}

/* ---------- latihan ---------- */
.quizbar{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:13px 16px;margin-top:20px;position:sticky;top:46px;z-index:30;box-shadow:var(--shadow);
}
.qb-left{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.qb-stat{font-size:13px;color:var(--muted)}
.qb-stat b{color:var(--ink);font-family:"IBM Plex Mono",monospace;font-size:15px;font-weight:600}
.btn{
  appearance:none;cursor:pointer;font-family:"IBM Plex Sans",sans-serif;font-size:13.5px;font-weight:600;
  border-radius:8px;padding:8px 14px;border:1px solid var(--line);background:var(--surface);color:var(--ink);
}
.btn:hover{background:var(--surface-2)}
.btn-primary{background:var(--husk);color:var(--paper);border-color:var(--husk)}
:root[data-theme="dark"] .btn-primary{color:#0E1512}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .btn-primary{color:#0E1512}}
.btn-primary:hover{filter:brightness(1.12);background:var(--husk)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg button{appearance:none;border:0;background:var(--surface);cursor:pointer;padding:7px 12px;font-family:"IBM Plex Sans",sans-serif;font-size:13px;font-weight:600;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--husk-soft);color:var(--husk-ink)}

.q{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-top:14px}
.q-head{display:flex;gap:12px;align-items:baseline;flex-wrap:wrap;margin-bottom:10px}
.q-no{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:19px;color:var(--custard)}
.q-unit{font-family:"IBM Plex Mono",monospace;font-size:10.5px;background:var(--surface-2);color:var(--muted);padding:3px 7px;border-radius:5px}
.q-text{font-size:15.5px;max-width:74ch}
.opts{display:flex;flex-direction:column;gap:7px;margin-top:13px}
.opt{display:flex;gap:11px;align-items:flex-start;cursor:pointer;border:1px solid var(--line);border-radius:8px;padding:10px 13px;font-size:14.5px;background:var(--surface)}
.opt:hover{border-color:var(--husk);background:var(--surface-2)}
.opt input{margin:4px 0 0;accent-color:var(--husk-ink);flex:none}
.opt .ol{font-family:"IBM Plex Mono",monospace;font-weight:600;color:var(--muted);flex:none}
.opt.is-right{background:var(--ok-soft);border-color:var(--ok)}
.opt.is-right .ol{color:var(--ok)}
.opt.is-wrong{background:var(--flag-soft);border-color:var(--flag)}
.opt.is-wrong .ol{color:var(--flag)}
.expl{margin-top:13px;padding:12px 14px;border-radius:8px;background:var(--surface-2);font-size:14px;border-left:3px solid var(--custard-mark)}
.expl.hidden{display:none}
.expl a{font-weight:600}

.result{display:none;background:var(--surface);border:2px solid var(--husk);border-radius:var(--r);padding:22px;margin-top:20px;box-shadow:var(--shadow)}
.result.show{display:block}
.res-score{font-family:"Bricolage Grotesque",sans-serif;font-size:46px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.res-label{font-size:14px;color:var(--muted);margin-top:4px}
.bars{margin-top:18px;display:flex;flex-direction:column;gap:9px}
.bar-row{display:grid;grid-template-columns:minmax(130px,190px) 1fr 46px;gap:11px;align-items:center;font-size:13px}
.bar-row .bl{font-family:"IBM Plex Mono",monospace;font-size:11px;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-track{display:block;height:9px;background:var(--surface-2);border-radius:99px;overflow:hidden}
.bar-fill{display:block;height:9px;background:var(--husk);border-radius:99px;transition:width .5s ease}
.bar-row .bv{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;color:var(--muted);text-align:right;font-size:12px}

/* ---------- checklist praktek ---------- */
.ck-group{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);margin-top:16px;overflow:hidden}
.ck-head{padding:14px 17px;border-bottom:1px solid var(--line-soft);display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}
.ck-head .h{font-family:"Bricolage Grotesque",sans-serif;font-weight:600;font-size:16.5px}
.ck-head .m{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--muted)}
.ck-prog{display:flex;align-items:center;gap:9px;font-family:"IBM Plex Mono",monospace;font-size:12px;color:var(--muted)}
.ck-list{padding:6px 17px 15px}
.ck{display:flex;gap:11px;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--line-soft);font-size:14.5px;cursor:pointer}
.ck:last-child{border-bottom:0}
.ck input{margin:5px 0 0;accent-color:var(--husk-ink);flex:none;width:15px;height:15px}
.ck .t{font-weight:400}
.ck.done .t{color:var(--muted);text-decoration:line-through}
.ck.done small{opacity:.65}
.ck small{display:block;color:var(--muted);font-size:12.5px;margin-top:1px}

/* ---------- percakapan ---------- */
.chat{display:flex;flex-direction:column;gap:9px;margin-top:16px}
.msg{max-width:min(86%,560px);padding:11px 14px;border-radius:14px;font-size:14.5px;line-height:1.55}
.msg .who{font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.1em;text-transform:uppercase;opacity:.65;display:block;margin-bottom:3px}
.msg.cus{background:var(--surface-2);border:1px solid var(--line);border-bottom-left-radius:4px;align-self:flex-start}
.msg.sel{background:var(--husk-soft);border:1px solid rgba(31,75,63,.3);border-bottom-right-radius:4px;align-self:flex-end}

/* ---------- lain-lain ---------- */
.pill{display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;padding:3px 8px;border-radius:999px}
.pill-flag{background:var(--flag-soft);color:var(--flag)}
.pill-ok{background:var(--ok-soft);color:var(--ok)}
.pill-cus{background:var(--custard-soft);color:var(--custard)}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:16px}
.seq{margin-top:18px;border-left:2px solid var(--line)}
.seq-item{position:relative;padding:0 0 22px 26px}
.seq-item::before{content:"";position:absolute;left:-6px;top:7px;width:10px;height:10px;border-radius:50%;background:var(--custard-mark);border:2px solid var(--paper)}
.seq-t{font-weight:600;font-size:15.5px}
.seq-d{font-size:14px;color:var(--ink-2);margin-top:2px;max-width:66ch}
.seq-min{font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:var(--muted)}

.themebtn{
  position:fixed;right:16px;bottom:16px;z-index:60;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer;font-size:16px;
  box-shadow:var(--shadow);display:grid;place-items:center;
}
.toplink{margin-top:26px;font-size:13px}

@media (max-width:640px){
  .filterbar,.quizbar{position:static}
  .bar-row{grid-template-columns:1fr 46px;grid-template-areas:"l l" "t v"}
  .bar-row .bl{grid-area:l}
  .bar-row .bar-track{grid-area:t}
  .bar-row .bv{grid-area:v}
  .msg{max-width:96%}
}

@media print{
  .nav,.themebtn,.filterbar,.quizbar,.foot{display:none}
  .butir,.unit,.card{break-inside:avoid;box-shadow:none}
  body{background:#fff;color:#000}
  .masthead{background:#fff;color:#000;border-bottom:2px solid #000}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}