/* Ensiklopedia Microsoft Office — gaya utama */
:root{
  --navy:#13294b; --navy-2:#1e3f73; --gold:#c8a13a; --gold-soft:#f6edcf;
  --bg:#f4f6fa; --surface:#ffffff; --surface-2:#f0f3f9; --text:#1a2236; --muted:#5a6579; --line:#dde2ec;
  --word:#2b579a; --excel:#1d6f42; --powerpoint:#c1411f; --accent:var(--navy-2);
  --ok:#1d7a46; --ok-bg:#e6f4ec; --err:#b3261e; --err-bg:#fcebea; --warn:#7a5200; --warn-bg:#fff4d6;
  --radius:12px; --shadow:0 1px 2px rgba(19,41,75,.06),0 8px 24px rgba(19,41,75,.07);
  --code-bg:#0f1b33; --code-fg:#e6ecf8; --code-line:#223457;
  --serif:Cambria,"Iowan Old Style",Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",Menlo,monospace;
}
@media (prefers-color-scheme:dark){
  :root{--navy:#0b1426; --navy-2:#2a4f8f; --gold:#d9b350; --gold-soft:#3b3218;
    --bg:#0c1322; --surface:#141d33; --surface-2:#1b2641; --text:#e7ecf6; --muted:#9ba7bf; --line:#27324f;
    --word:#78a3f2; --excel:#52c48e; --powerpoint:#ff906c;
    --ok:#6fd49b; --ok-bg:#12301f; --err:#ff8f86; --err-bg:#3a1a19; --warn:#f2c35e; --warn-bg:#352a0e;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.3);--code-bg:#09111f;--code-line:#1c2c4d}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.6;font-size:16px}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--gold)}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.25;color:var(--text);margin:0 0 .5em}
img{max-width:100%;height:auto}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
.app-word{--accent:var(--word)} .app-excel{--accent:var(--excel)} .app-powerpoint{--accent:var(--powerpoint)}
.muted{color:var(--muted)} .small{font-size:.875rem} .center{text-align:center}
.skip{position:absolute;left:-999px} .skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:99}

/* top bar */
.topbar{background:var(--navy);color:#fff;border-bottom:3px solid var(--gold);position:sticky;top:0;z-index:30}
.bar{display:flex;align-items:center;gap:14px;min-height:62px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none}
.brand:hover{color:#fff}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--gold);color:var(--navy);font:700 1.25rem var(--serif)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font:700 1.02rem var(--serif)} .brand-text small{opacity:.75;font-size:.72rem}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a,.nav button.linklike{color:#dbe5f7;text-decoration:none;padding:7px 11px;border-radius:8px;font-size:.92rem;background:none;border:0;cursor:pointer;font-family:inherit}
.nav a:hover,.nav button.linklike:hover,.nav a.on{background:rgba(255,255,255,.12);color:#fff}
.nav .search input{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;border-radius:999px;padding:7px 14px;width:190px;font-size:.9rem}
.nav .search input::placeholder{color:#b9c7e2}
.sep-toggle{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:8px;padding:6px 10px;font:600 .8rem var(--mono);cursor:pointer}
.sep-toggle:hover{background:rgba(255,255,255,.2)}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;padding:6px 12px;font-size:1.1rem;cursor:pointer}
.userbox{display:flex;align-items:center;gap:2px;border-left:1px solid rgba(255,255,255,.2);margin-left:6px;padding-left:8px}
.userbox .who{font-size:.8rem;opacity:.85;max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 6px}
@media (max-width:980px){
  .nav-toggle{display:block}
  .nav{display:none;width:100%;margin:0 0 12px;flex-direction:column;align-items:stretch;gap:2px}
  .nav.open{display:flex}
  .nav .search input{width:100%}
  .userbox{border:0;margin:6px 0 0;padding:0;flex-wrap:wrap}
}

main.wrap{padding-top:26px;padding-bottom:50px;min-height:70vh}
.footer{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;padding:22px 0 30px;text-align:center}

/* flash */
.flash{padding:11px 15px;border-radius:10px;margin:0 0 14px;border:1px solid transparent;font-size:.95rem}
.flash.ok{background:var(--ok-bg);color:var(--ok);border-color:color-mix(in srgb,var(--ok) 25%,transparent)}
.flash.err{background:var(--err-bg);color:var(--err);border-color:color-mix(in srgb,var(--err) 25%,transparent)}
.flash.warn{background:var(--warn-bg);color:var(--warn);border-color:color-mix(in srgb,var(--warn) 30%,transparent)}

/* generic */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.grid{display:grid;gap:18px} .g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--navy-2);color:#fff;border:1px solid transparent;border-radius:9px;padding:9px 16px;font:600 .92rem var(--sans);text-decoration:none;cursor:pointer}
.btn:hover{filter:brightness(1.12);color:#fff}
.btn.gold{background:var(--gold);color:#1b1704} .btn.gold:hover{color:#1b1704}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--line)} .btn.ghost:hover{background:var(--surface-2);color:var(--text)}
.btn.danger{background:var(--err);color:#fff} .btn.small{padding:5px 11px;font-size:.82rem}
.btn.accent{background:var(--accent)}
.badge{display:inline-block;font-size:.72rem;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--surface-2);color:var(--muted);border:1px solid var(--line);white-space:nowrap}
.badge.ver-2021{background:#e8f0fd;color:#1c4a99;border-color:#c5d8f7} .badge.ver-365{background:#f3e8fb;color:#6a2b91;border-color:#dcc4ee}
.badge.ver-2019{background:var(--ok-bg);color:var(--ok);border-color:transparent}
.badge.lvl-menengah{background:var(--warn-bg);color:var(--warn)} .badge.lvl-mahir{background:var(--err-bg);color:var(--err)} .badge.lvl-pemula{background:var(--ok-bg);color:var(--ok)}
@media (prefers-color-scheme:dark){.badge.ver-2021{background:#172a4d;color:#9cc0ff;border-color:#27427a}.badge.ver-365{background:#2c1a3d;color:#d3a9f0;border-color:#4a2d66}}
.pill-app{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:10px;background:var(--accent);color:#fff;font:700 1.25rem var(--serif);flex:none}

/* forms */
label{display:block;font-weight:600;font-size:.9rem;margin:0 0 5px}
input[type=text],input[type=password],input[type=search],input[type=number],input[type=url],input[type=file],select,textarea{width:100%;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:9px 12px}
input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--gold) 70%,transparent);border-color:var(--gold)}
textarea{min-height:110px;resize:vertical;font-family:var(--sans)} textarea.mono{font-family:var(--mono);font-size:.88rem;line-height:1.5}
.field{margin-bottom:15px} .hint{font-size:.82rem;color:var(--muted);margin-top:4px}
.row{display:flex;gap:14px;flex-wrap:wrap} .row>.field{flex:1;min-width:160px}
.check{display:flex;align-items:center;gap:8px;font-weight:500} .check input{width:auto}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;align-items:end}
.filters .field{margin:0;min-width:150px;flex:1} .filters .btn{height:42px}

/* login */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(160deg,var(--navy),var(--navy-2))}
.login-card{width:100%;max-width:420px;background:var(--surface);border-radius:16px;padding:32px 30px;box-shadow:0 20px 60px rgba(0,0,0,.35);border-top:5px solid var(--gold)}
.login-card h1{font-size:1.55rem;margin-bottom:4px} .login-card .brand-mark{margin-bottom:14px}

/* hero / dashboard */
.hero{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border-radius:16px;padding:30px 28px;margin-bottom:22px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(200,161,58,.18)}
.hero h1{color:#fff;font-size:1.75rem;margin-bottom:6px} .hero p{margin:0 0 16px;opacity:.88;max-width:620px}
.hero form{display:flex;gap:8px;max-width:520px;position:relative;z-index:1}
.hero input{border-radius:999px;padding:11px 18px;border:0}
.hero .btn{border-radius:999px}
.announce{background:var(--gold-soft);border:1px solid color-mix(in srgb,var(--gold) 45%,transparent);border-radius:12px;padding:14px 18px;margin-bottom:22px}
.announce strong{font-family:var(--serif)} .announce p{margin:.3em 0 0}
.app-card{display:flex;flex-direction:column;gap:12px;border-top:4px solid var(--accent)}
.app-card h2{margin:0;font-size:1.25rem} .app-card .top{display:flex;gap:12px;align-items:center}
.bar-track{height:8px;background:var(--surface-2);border-radius:999px;overflow:hidden;border:1px solid var(--line)}
.bar-fill{height:100%;background:var(--accent);border-radius:999px}
.stats{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 22px}
.stat{flex:1;min-width:130px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px}
.stat b{display:block;font:700 1.55rem var(--serif);color:var(--navy-2)} .stat span{font-size:.82rem;color:var(--muted)}
@media (prefers-color-scheme:dark){.stat b{color:var(--gold)}}
h2.section-title{font-size:1.2rem;margin:26px 0 12px;display:flex;align-items:center;gap:10px}
h2.section-title:after{content:"";flex:1;height:1px;background:var(--line)}

/* bagian & daftar materi */
.page-head{display:flex;gap:16px;align-items:center;margin-bottom:20px;flex-wrap:wrap}
.page-head h1{margin:0;font-size:1.7rem} .page-head .grow{flex:1;min-width:220px}
.sec-card{padding:0;overflow:hidden;margin-bottom:16px;border-left:5px solid var(--accent)}
.sec-card>header{padding:15px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:baseline;flex-wrap:wrap}
.sec-card h2{margin:0;font-size:1.12rem} .sec-card header p{margin:2px 0 0;color:var(--muted);font-size:.9rem}
.item-list{list-style:none;margin:0;padding:0}
.item-list li a{display:flex;gap:12px;align-items:flex-start;padding:12px 20px;text-decoration:none;color:var(--text);border-bottom:1px solid var(--line)}
.item-list li:last-child a{border-bottom:0}
.item-list li a:hover{background:var(--surface-2)}
.item-list .tick{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);flex:none;margin-top:2px;display:grid;place-items:center;font-size:.8rem;color:#fff}
.item-list .done .tick{background:var(--ok);border-color:var(--ok)}
.item-list .t{font-weight:600} .item-list .s{display:block;font-size:.88rem;color:var(--muted);font-weight:400}
.item-list .badges{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
@media (max-width:640px){.item-list li a{flex-wrap:wrap}.item-list .badges{margin-left:34px}}

/* artikel */
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:12px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:22px;align-items:start}
@media (max-width:980px){.article-layout{grid-template-columns:1fr}.side{order:-1}}
.prose-card{padding:28px 34px}
@media (max-width:640px){.prose-card{padding:20px 18px}}
.article-head{border-bottom:2px solid var(--gold);margin-bottom:22px;padding-bottom:14px}
.article-head h1{font-size:2rem;margin:8px 0} .lead{font-size:1.08rem;color:var(--muted);margin:0 0 8px}
.meta-row{display:flex;gap:6px;flex-wrap:wrap}
.side .card{padding:16px;margin-bottom:14px;position:sticky;top:78px}
.side .card+.card{position:static}
.toc{list-style:none;margin:0;padding:0;font-size:.9rem} .toc li{margin:0} .toc a{display:block;padding:4px 8px;border-radius:6px;text-decoration:none;color:var(--text)}
.toc a:hover{background:var(--surface-2)} .toc .l3 a{padding-left:20px;color:var(--muted);font-size:.86rem}
.side h3{font-size:.95rem;margin:0 0 8px}

.prose{font-size:1.02rem} .prose h2{font-size:1.45rem;margin:1.7em 0 .5em;padding-top:.2em;border-top:1px solid var(--line);padding-top:.9em}
.prose h2:first-child{border-top:0;margin-top:0} .prose h3{font-size:1.15rem;margin:1.4em 0 .4em;color:var(--accent)}
.prose p,.prose ul,.prose ol{margin:0 0 1em} .prose li{margin:.25em 0} .prose img{border:1px solid var(--line);border-radius:10px;margin:.5em 0;background:#fff}
.prose table{border-collapse:collapse;width:100%;margin:0 0 1.2em;font-size:.94rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:8px 11px;text-align:left;vertical-align:top} .prose th{background:var(--surface-2);font-weight:700}
.prose blockquote{margin:0 0 1em;padding:8px 16px;border-left:4px solid var(--gold);background:var(--surface-2);border-radius:0 8px 8px 0}
.prose code{font-family:var(--mono);font-size:.88em;background:var(--surface-2);border:1px solid var(--line);padding:1px 6px;border-radius:5px;word-break:break-word}
.prose pre{position:relative;background:var(--code-bg);color:var(--code-fg);border-radius:10px;padding:14px 16px;overflow-x:auto;margin:0 0 1.1em;border:1px solid var(--code-line)}
.prose pre code{background:none;border:0;padding:0;color:inherit;font-size:.9rem;word-break:normal;white-space:pre}
kbd{font-family:var(--mono);font-size:.84em;background:var(--surface);border:1px solid var(--line);border-bottom-width:3px;border-radius:6px;padding:1px 7px;white-space:nowrap;color:var(--text)}
.copy-btn{position:absolute;right:8px;top:8px;background:rgba(255,255,255,.12);color:#dbe5f7;border:1px solid rgba(255,255,255,.22);border-radius:7px;font:600 .74rem var(--sans);padding:3px 10px;cursor:pointer}
.copy-btn:hover{background:rgba(255,255,255,.24)} .copy-btn.ok{background:var(--ok);color:#fff;border-color:transparent}
.admonition{margin:0 0 1.1em;padding:12px 16px;border-radius:10px;border:1px solid var(--line);border-left:5px solid var(--accent);background:var(--surface-2)}
.admonition p{margin:.3em 0} .admonition-title{font-weight:700;font-family:var(--serif);margin:0 0 .2em!important}
.admonition.tip{border-left-color:var(--ok);background:var(--ok-bg)} .admonition.warning,.admonition.danger{border-left-color:var(--err);background:var(--err-bg)}
.admonition.note,.admonition.info{border-left-color:var(--accent)} .admonition.versi{border-left-color:#7a3fb0;background:var(--surface-2)} .admonition.contoh{border-left-color:var(--gold);background:var(--gold-soft)}
.files{margin-top:26px;padding:16px 18px;background:var(--surface-2);border-radius:12px;border:1px solid var(--line)}
.files h3{margin:0 0 10px;font-size:1.05rem}
.file-row{display:flex;gap:12px;align-items:center;padding:8px 0;border-top:1px solid var(--line)} .file-row:first-of-type{border-top:0}
.file-row .grow{flex:1;min-width:0} .file-row .grow div{font-size:.85rem;color:var(--muted)}
.article-foot{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap;align-items:center}
.pn{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap} .pn a{flex:1;min-width:200px;border:1px solid var(--line);border-radius:10px;padding:10px 14px;text-decoration:none;background:var(--surface)}
.pn a small{display:block;color:var(--muted)} .pn a.next{text-align:right}

/* rumus */
.fx-card{background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--excel);border-radius:12px;padding:16px 18px;margin-bottom:14px;scroll-margin-top:80px}
.fx-card:target{box-shadow:0 0 0 3px var(--gold)}
.fx-card header{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:6px}
.fx-card h3{margin:0;font:700 1.15rem var(--mono);color:var(--excel)} .fx-card p{margin:.25em 0 .6em}
.fx-row{display:flex;gap:10px;align-items:stretch;margin:6px 0}
.fx-label{flex:none;width:58px;font-size:.75rem;font-weight:700;color:var(--muted);text-transform:uppercase;padding-top:9px}
.fx-row code{flex:1;min-width:0;background:var(--code-bg);color:var(--code-fg);border-radius:8px;padding:8px 12px;font:.9rem/1.5 var(--mono);white-space:pre-wrap;word-break:break-word}
.fx-row .copy{flex:none;background:var(--surface-2);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:0 12px;font:600 .8rem var(--sans);cursor:pointer}
.fx-row .copy:hover{background:var(--gold-soft)} .fx-row .copy.ok{background:var(--ok);color:#fff}
.fx-result{font-size:.9rem;color:var(--muted)} .fx-result b{color:var(--text)}
.fx-note{font-size:.88rem;background:var(--surface-2);border-radius:8px;padding:8px 12px;margin-top:8px}
@media (max-width:560px){.fx-row{flex-wrap:wrap}.fx-label{width:100%;padding:0}.fx-row .copy{padding:6px 12px}}
.sep-info{display:flex;gap:10px;align-items:center;flex-wrap:wrap;background:var(--gold-soft);border:1px solid color-mix(in srgb,var(--gold) 40%,transparent);padding:10px 14px;border-radius:10px;font-size:.9rem;margin-bottom:16px}

/* daftar umum */
.tile{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;text-decoration:none;color:var(--text)}
.tile:hover{border-color:var(--accent)} .tile h3{margin:0 0 3px;font-size:1.04rem} .tile p{margin:0;color:var(--muted);font-size:.9rem}
.kind-ico{display:grid;place-items:center;width:44px;height:44px;border-radius:10px;font:700 .72rem var(--sans);color:#fff;flex:none;background:#6b7a99;text-transform:uppercase}
.kind-docx{background:var(--word)} .kind-xlsx{background:var(--excel)} .kind-pptx{background:var(--powerpoint)} .kind-pdf{background:#b3261e} .kind-video{background:#6a2b91} .kind-link{background:#0b7285}
.empty{text-align:center;color:var(--muted);padding:34px 10px}
.video-box{position:relative;padding-top:56.25%;background:#000;border-radius:12px;overflow:hidden}
.video-box iframe,.video-box video{position:absolute;inset:0;width:100%;height:100%;border:0}
details.reveal{border:1px solid var(--line);border-radius:10px;margin:12px 0;background:var(--surface)}
details.reveal summary{cursor:pointer;padding:11px 16px;font-weight:600} details.reveal .inner{padding:2px 18px 12px}
details.reveal.answer summary{color:var(--warn)}

/* admin */
.admin-shell{display:grid;grid-template-columns:210px minmax(0,1fr);gap:22px}
@media (max-width:860px){.admin-shell{grid-template-columns:1fr}}
.admin-nav{position:sticky;top:78px;align-self:start;display:flex;flex-direction:column;gap:2px}
@media (max-width:860px){.admin-nav{position:static;flex-direction:row;flex-wrap:wrap}}
.admin-nav a{padding:9px 14px;border-radius:9px;text-decoration:none;color:var(--text);font-weight:600;font-size:.92rem}
.admin-nav a:hover{background:var(--surface-2)} .admin-nav a.on{background:var(--navy-2);color:#fff}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
table.tbl{width:100%;border-collapse:collapse;font-size:.92rem}
.tbl th{background:var(--surface-2);text-align:left;padding:10px 12px;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);white-space:nowrap}
.tbl td{padding:10px 12px;border-top:1px solid var(--line);vertical-align:middle} .tbl tr:hover td{background:color-mix(in srgb,var(--surface-2) 60%,transparent)}
.tbl .acts{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end} .tbl form{display:inline}
.pager{display:flex;gap:6px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.pager a,.pager span{padding:6px 12px;border:1px solid var(--line);border-radius:8px;text-decoration:none;background:var(--surface);font-size:.9rem}
.pager .cur{background:var(--navy-2);color:#fff;border-color:transparent}
.editor{display:grid;grid-template-columns:1fr 1fr;gap:14px} .editor.single{grid-template-columns:1fr}
@media (max-width:980px){.editor{grid-template-columns:1fr}}
.toolbar{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:8px}
.toolbar button{background:var(--surface-2);border:1px solid var(--line);color:var(--text);border-radius:7px;padding:5px 10px;font:600 .8rem var(--sans);cursor:pointer}
.toolbar button:hover{background:var(--gold-soft)}
.preview{border:1px solid var(--line);border-radius:10px;padding:16px 20px;background:var(--surface);min-height:320px;max-height:70vh;overflow:auto}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;background:var(--line)} .dot.on{background:var(--ok)} .dot.off{background:var(--err)}
.error-box{text-align:center;padding:70px 10px} .error-box .code{font:700 5rem var(--serif);color:var(--gold);line-height:1}
@media print{.topbar,.footer,.side,.article-foot,.pn,.copy-btn,.files form{display:none!important}.card{box-shadow:none;border:0}body{background:#fff}}