:root{--tinta:#1E1A3C;--hema:#43308F;--hema-m:#CFC8EE;--eosin:#B92F65;--eosin-m:#F8D5E2;--kaca:#EEF1F8;--putih:#fff;--abu:#5D5976;--garis:#D5D3E3;--teal:#0B6B6A;--teal-m:#CDEBE8;--emas:#8A5B00;--emas-m:#F9E7BE}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--kaca);color:var(--tinta);font:400 17px/1.6 "Atkinson Hyperlegible",system-ui,sans-serif}
main{max-width:760px;margin:0 auto;padding:24px 16px 96px}
h1,h2,h3{font-family:"Bricolage Grotesque",system-ui,sans-serif;line-height:1.12;margin:0}
h1{font-size:clamp(2.5rem,11vw,4.5rem);font-weight:800;color:var(--hema);letter-spacing:-.02em}
h2{font-size:1.65rem;font-weight:800}
h3{font-size:1.3rem;font-weight:600;margin:32px 0 8px;color:var(--hema)}
p{margin:0 0 12px}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--eosin);outline-offset:2px}
.hero{padding:16px 0 28px}
.hero p{max-width:34em;color:var(--abu);margin-top:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 20px;border:0;border-radius:10px;background:var(--hema);color:#fff;font-weight:700;cursor:pointer;text-decoration:none;text-align:center}
.btn:hover{background:#352573}
.btn.dua{background:var(--putih);color:var(--hema);box-shadow:inset 0 0 0 2px var(--hema)}
.btn.wa{background:#0B7A3E;width:100%}
.btn[disabled]{background:var(--garis);color:var(--abu);cursor:not-allowed;box-shadow:none}
.lebar{width:100%}
.panel{background:var(--putih);border-radius:12px;padding:20px;margin:0 0 16px}
label.isi{display:block;font-weight:700;margin-bottom:14px}
label.isi input{display:block;width:100%;min-height:48px;margin-top:4px;padding:8px 12px;border:2px solid var(--garis);border-radius:8px;background:#fff;font-weight:400}
.baris{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.galat{color:var(--eosin);font-weight:700}
/* kartu pertemuan: kaca preparat dengan label buram di tepi kiri */
.preparat{display:grid;grid-template-columns:96px 1fr;width:100%;margin-bottom:16px;padding:0;border:0;border-radius:6px;background:var(--putih);text-align:left;cursor:pointer;overflow:hidden;box-shadow:0 0 0 1px var(--garis)}
.preparat:disabled{cursor:not-allowed}
.preparat .label{background:var(--eosin);color:#fff;padding:14px 8px;text-align:center;font-family:"Bricolage Grotesque",sans-serif;font-weight:800;line-height:1.05}
.preparat .label b{display:block;font-size:2.6rem}
.preparat .label small{display:block;font-size:.72rem;letter-spacing:.01em}
.preparat:disabled .label{background:var(--abu)}
.preparat .isi{padding:14px 16px}
.preparat .isi strong{display:block;font-size:1.15rem;line-height:1.25}
.preparat .isi span{display:block;color:var(--abu);margin-top:4px}
.status{font-weight:700}
.status.ok{color:var(--teal)}
.identitas{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:16px;color:var(--abu)}
.tautan{background:none;border:0;padding:4px;color:var(--hema);text-decoration:underline;cursor:pointer}
.tahap{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;margin:16px 0}
.tahap button{min-height:48px;border:0;border-bottom:4px solid var(--garis);background:none;font-weight:700;color:var(--abu);cursor:pointer}
.tahap button[aria-current=step]{color:var(--hema);border-color:var(--hema)}
.tahap button.selesai{border-color:var(--teal);color:var(--teal)}
.tahap button:disabled{cursor:not-allowed;opacity:.65}
.pilih-video{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.pilih-video button{min-height:44px;padding:6px 14px;border:2px solid var(--hema);border-radius:8px;background:#fff;color:var(--hema);font-weight:700;cursor:pointer}
.pilih-video button[aria-pressed=true]{background:var(--hema);color:#fff}
.layar{position:relative;aspect-ratio:16/9;background:var(--tinta);border-radius:10px;overflow:hidden;color:#fff}
.layar iframe,.layar>div{position:absolute;inset:0;width:100%;height:100%;border:0}
.layar .gagal{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:16px;text-align:center}
.centang{display:flex;gap:12px;align-items:center;min-height:48px;margin-top:8px;font-weight:700}
.centang input{width:24px;height:24px;accent-color:var(--hema)}
.rangkuman figure{margin:16px 0}
.rangkuman img{display:block;width:100%;height:auto;border-radius:8px;border:1px solid var(--garis)}
figcaption{font-size:.9rem;color:var(--abu);margin-top:4px}
.rangkuman ul{padding-left:20px}
.rangkuman li{margin-bottom:6px}
.tabel{overflow-x:auto;margin:12px 0}
table{border-collapse:collapse;width:100%;min-width:440px;font-size:.95rem}
th{background:var(--hema);color:#fff;text-align:left}
th,td{padding:8px 10px;border:1px solid var(--garis);vertical-align:top}
.kepala-kuis{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:8px}
.tingkat{padding:2px 10px;border-radius:999px;font-size:.9rem;font-weight:700}
.tingkat.mudah{background:var(--teal-m);color:var(--teal)}
.tingkat.sedang{background:var(--emas-m);color:var(--emas)}
.tingkat.sulit{background:var(--eosin-m);color:var(--eosin)}
.gambar-soal{display:block;width:100%;height:auto;max-height:44vh;object-fit:contain;background:#fff;border:1px solid var(--garis);border-radius:8px;margin-bottom:12px}
fieldset{border:0;padding:0;margin:0}
legend{padding:0;margin-bottom:12px;font-size:1.08rem}
.opsi{position:relative;display:grid;grid-template-columns:32px 1fr;gap:10px;align-items:center;min-height:52px;margin-bottom:8px;padding:8px 12px;border:2px solid var(--garis);border-radius:10px;background:#fff;cursor:pointer}
.opsi input{position:absolute;opacity:0;width:1px;height:1px}
.opsi b{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--kaca);color:var(--hema)}
.opsi:has(input:checked){border-color:var(--hema);background:#F3F1FC}
.opsi:has(input:checked) b{background:var(--hema);color:#fff}
.opsi:has(input:focus-visible){outline:3px solid var(--eosin);outline-offset:2px}
.nav-soal{display:flex;gap:8px;margin-top:12px}
.nav-soal .btn{flex:1}
.kisi{display:grid;grid-template-columns:repeat(10,1fr);gap:4px}
.kisi button{aspect-ratio:1;min-height:30px;padding:0;border:0;border-radius:6px;background:var(--kaca);color:var(--tinta);font-size:.85rem;cursor:pointer}
.kisi button.terisi{background:var(--hema-m)}
.kisi button[aria-current=true]{background:var(--hema);color:#fff}
.nilai{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(5rem,26vw,9rem);line-height:1;color:var(--hema)}
.rinci{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0}
.rinci div{padding:10px;border-radius:8px;background:var(--kaca);text-align:center}
.rinci b{display:block;font-size:1.3rem}
.catatan{padding:12px;border-radius:8px;background:var(--emas-m);color:#5B3C00}
.uji{background:var(--emas-m);color:#5B3C00;text-align:center;padding:6px 12px;font-weight:700}
.peringatan{position:fixed;left:16px;right:16px;bottom:16px;max-width:728px;margin:auto;padding:14px 16px;border-radius:10px;background:var(--eosin);color:#fff;font-weight:700;z-index:5}
[hidden]{display:none!important}
@media (prefers-reduced-motion:no-preference){.nilai{animation:muncul .5s ease-out}@keyframes muncul{from{transform:scale(.9);opacity:0}}}
@media (max-width:420px){.baris{grid-template-columns:1fr}.kisi{grid-template-columns:repeat(6,1fr)}.preparat{grid-template-columns:76px 1fr}}