:root{--bg:#f4f6f9;--card:#fff;--ink:#1f2937;--muted:#6b7280;--line:#e5e7eb;--pri:#1d4ed8;--pri-d:#1e40af;--ok:#15803d;--warn:#b45309;--err:#b91c1c}
*{box-sizing:border-box}
body{margin:0;font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px}
main.wrap{padding-top:20px;padding-bottom:30px;min-height:70vh}
a{color:var(--pri)}
h1{font-size:22px;margin:4px 0 16px}
h2{font-size:17px;margin:0 0 10px}
.muted{color:var(--muted)}
.small{font-size:13px}

/* header */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.bar{display:flex;flex-wrap:wrap;align-items:center;gap:6px 22px;padding-top:10px;padding-bottom:10px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--pri);text-decoration:none;font-size:17px}
.brand img{display:block;width:auto;max-width:220px;object-fit:contain}
nav{display:flex;flex-wrap:wrap;gap:2px 16px;align-items:center}
nav a,nav button.linklike{color:var(--ink);text-decoration:none;padding:4px 0;border:0;border-bottom:2px solid transparent;background:none;font:inherit;cursor:pointer}
nav a:hover,nav button.linklike:hover{color:var(--pri)}
nav a.active{border-color:var(--pri);color:var(--pri);font-weight:600}
form.inline{display:inline;margin:0}
.foot{padding:14px 16px 24px;color:var(--muted)}

/* komponen */
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:16px}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.stat b{display:block;font-size:26px;line-height:1.2}
.stat span{color:var(--muted);font-size:13px}
.two{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:end;margin-bottom:14px}
.toolbar .grow{flex:1}
.actions{display:flex;flex-wrap:wrap;gap:6px;align-items:center}

.alert{padding:10px 14px;border-radius:8px;margin-bottom:14px;border:1px solid;word-break:break-word}
.a-ok{background:#ecfdf3;border-color:#a7f3c0;color:#14532d}
.a-err{background:#fef2f2;border-color:#fecaca;color:#7f1d1d}
.a-info{background:#eff6ff;border-color:#bfdbfe;color:#1e3a8a}

.btn{display:inline-block;background:var(--pri);color:#fff;border:1px solid var(--pri);padding:7px 14px;border-radius:7px;text-decoration:none;font:inherit;cursor:pointer}
.btn:hover{background:var(--pri-d)}
.btn.sec{background:#fff;color:var(--ink);border-color:#cbd5e1}
.btn.sec:hover{background:#f1f5f9}
.btn.danger{background:#fff;color:var(--err);border-color:#fca5a5}
.btn.danger:hover{background:#fef2f2}
.btn.sm{padding:3px 10px;font-size:13px}
.btn[disabled],.btn.off{opacity:.5;pointer-events:none}

.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;border:1px solid transparent;white-space:nowrap}
.b-not_started{background:#f3f4f6;color:#4b5563;border-color:#e5e7eb}
.b-in_progress{background:#eff6ff;color:#1d4ed8;border-color:#bfdbfe}
.b-completed,.b-pass{background:#ecfdf3;color:#15803d;border-color:#a7f3c0}
.b-failed,.b-fail,.b-overdue{background:#fef2f2;color:#b91c1c;border-color:#fecaca}
.b-soon{background:#fffbeb;color:#b45309;border-color:#fde68a}
.b-off{background:#f3f4f6;color:#6b7280;border-color:#e5e7eb}

.progress{background:#e5e7eb;border-radius:99px;height:8px;min-width:80px;overflow:hidden}
.progress span{display:block;height:100%;background:var(--ok)}

/* tabel */
.scroll{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;background:var(--card)}
.tbl th,.tbl td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl th{font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);background:#f9fafb;white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
.tbl td.num,.tbl th.num{text-align:right}
.card>.scroll>.tbl{margin:0}

/* formulir */
label{display:block;font-weight:600;margin:12px 0 4px;font-size:14px}
label.chk{display:flex;gap:8px;align-items:center;font-weight:400;margin:8px 0}
input[type=text],input[type=password],input[type=date],input[type=number],input[type=url],input[type=search],select,textarea{width:100%;padding:8px 10px;border:1px solid #cbd5e1;border-radius:7px;font:inherit;background:#fff;color:inherit}
textarea{min-height:90px;resize:vertical}
select[multiple]{min-height:150px}
input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--pri)}
.form-narrow{max-width:460px}
.row2{display:grid;gap:0 14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.hint{color:var(--muted);font-size:13px;margin-top:3px}

/* login */
.login{max-width:380px;margin:50px auto}

/* materi & tes */
.embed{position:relative;padding-top:56.25%;background:#000;border-radius:10px;overflow:hidden}
.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.embed.doc{padding-top:0;height:75vh;background:#fff;border:1px solid var(--line)}
.q{border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:12px;background:#fff}
.q p{margin:0 0 8px;font-weight:600}
.opt{display:flex;gap:10px;align-items:flex-start;padding:7px 8px;border-radius:7px;cursor:pointer;font-weight:400;margin:2px 0}
.opt:hover{background:#f1f5f9}
.opt input{margin-top:4px}
.opt.right{background:#ecfdf3}
.opt.wrong{background:#fef2f2}
.score{font-size:42px;font-weight:700;line-height:1.1}

/* background gambar: beri alas terang agar teks tetap terbaca */
body.has-bg main.wrap{background:rgba(255,255,255,.9);border-radius:12px;margin-top:16px;padding-top:20px}
body.has-bg .foot small{background:rgba(255,255,255,.9);padding:3px 10px;border-radius:6px}

/* pemutar materi */
.player-layout{display:grid;gap:16px;grid-template-columns:minmax(0,1fr) 300px;align-items:start}
.player-main video,.player-main audio,.player-main img.media{display:block;width:100%;border-radius:10px;background:#000}
.player-main img.media{background:#fff;border:1px solid var(--line);height:auto}
.player-main audio{background:none}
.playlist ol{list-style:none;margin:0;padding:0}
.playlist li a{display:flex;gap:8px;align-items:flex-start;padding:8px 8px;border-radius:7px;text-decoration:none;color:var(--ink)}
.playlist li a:hover{background:#f1f5f9}
.playlist li a.current{background:#eff6ff;font-weight:600;color:var(--pri)}
.playlist .dot{flex:none;width:18px;height:18px;border-radius:50%;border:2px solid #cbd5e1;margin-top:2px}
.playlist .dot.seen{background:var(--ok);border-color:var(--ok)}
.playlist .t{flex:1;min-width:0;word-break:break-word}
details.fallback{margin-top:10px;color:var(--muted);font-size:13px}
details.fallback summary{cursor:pointer}
.file-note{background:#f9fafb;border:1px dashed #cbd5e1;border-radius:8px;padding:8px 10px;margin-top:6px;font-size:13px}
.thumb{display:block;max-width:240px;max-height:90px;border:1px solid var(--line);border-radius:6px;background:repeating-conic-gradient(#f1f5f9 0 25%,#fff 0 50%) 50%/16px 16px;margin:6px 0}
.thumb.wide{max-height:140px}
input[type=color]{width:56px;height:36px;padding:2px;border:1px solid #cbd5e1;border-radius:7px;background:#fff;cursor:pointer}
input[type=file]{width:100%;padding:6px 0;font:inherit}
.pager{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:12px 0}

@media (max-width:860px){
  .player-layout{grid-template-columns:1fr}
}
@media (max-width:600px){
  body{font-size:15px}
  .bar{gap:4px 14px}
  .tbl th,.tbl td{padding:8px 7px}
}