.lab{grid-template-columns:minmax(280px, var(--lebar-panel-instruksi,35%)) 10px minmax(0, 1fr);grid-template-rows:auto auto minmax(320px,1fr) minmax(260px,40vh);grid-template-areas:"kepala kepala kepala""banner banner banner""instruksi pembagi editor""instruksi pembagi output";min-height:calc(100vh - 52px);display:grid}.lab-kepala{background:var(--warna-permukaan);border-bottom:1px solid var(--warna-garis);flex-wrap:wrap;grid-area:kepala;align-items:center;gap:.75rem 1.25rem;padding:.75rem 1rem;display:flex}.lab-kepala h1{margin:0;font-size:1.25rem}.lab-label{color:var(--warna-teks-lembut);text-transform:uppercase;letter-spacing:.05em;margin:0;font-size:.8rem;font-weight:700}.lab-progres{color:var(--warna-sukses);margin:0 0 0 auto;font-weight:700}.lab-banner{grid-area:banner}.banner-peringatan{color:#92400e;background:#fef3c7}.banner-info{color:var(--warna-utama-gelap);background:var(--warna-utama-lembut)}.tautan{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;text-decoration:underline}.lab-tab-mobile{display:none}.lab-instruksi{background:var(--warna-permukaan);border-right:1px solid var(--warna-garis);grid-area:instruksi;padding:1rem;overflow-y:auto}.lab-pembagi{cursor:col-resize;background:linear-gradient(90deg, transparent 0 4px, var(--warna-garis) 4px 6px, transparent 6px 10px);touch-action:none;grid-area:pembagi;position:relative}.lab-pembagi:after{content:"";background:#94a3b8;border-radius:999px;position:absolute;inset:45% 2px}.lab-pembagi:hover,.lab-pembagi:focus-visible{background:var(--warna-utama-lembut);outline:none}.lab-editor{flex-direction:column;grid-area:editor;gap:.5rem;min-width:0;padding:.75rem 1rem;display:flex;position:relative}.lab-output{grid-area:output;min-width:0;padding:0 1rem 1rem}.file-tabs{gap:.25rem;display:flex}.editor-wadah{flex:1;min-height:260px;overflow:hidden}.editor-wadah[hidden]{display:none}.editor-wadah .cm-editor{height:100%}.editor-aksi{justify-content:flex-end;gap:.5rem;display:flex}.toast-terkunci{z-index:5;color:#fff;background:#1e293b;border-radius:8px;margin:0;padding:.5rem .75rem;font-size:.9rem;position:absolute;top:3rem;right:1.25rem}.daftar-langkah{gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.langkah{background:var(--warna-latar);border:1px solid var(--warna-garis);border-radius:var(--radius)}.langkah.dipilih{border-color:var(--warna-utama);box-shadow:0 0 0 2px var(--warna-utama-lembut)}.langkah-kepala{width:100%;font:inherit;color:inherit;text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:.5rem;padding:.6rem .75rem;display:flex}.langkah-kepala[disabled]{color:var(--warna-teks-lembut);cursor:not-allowed}.langkah-nomor{color:#fff;background:#ca8a04;border-radius:999px;place-items:center;min-width:1.6rem;height:1.6rem;font-size:.8rem;font-weight:700;display:inline-grid}.langkah-terkunci .langkah-nomor{background:#94a3b8}.langkah-selesai .langkah-nomor{background:var(--warna-sukses)}.langkah-judul{font-weight:600}.langkah-isi{padding:0 .9rem .9rem}.instruksi :is(p,ul,ol,pre){margin:.5rem 0}.instruksi pre{background:#f1f5f9;border-radius:6px;padding:.5rem .75rem;overflow-x:auto}.petunjuk{background:#fefce8;border:1px solid #fde68a;border-radius:8px;margin-top:.5rem;padding:.5rem .75rem}.petunjuk summary{cursor:pointer;font-weight:600}.kunci-jawaban{background:#eef6ff;border:1px solid #bfdbfe;border-radius:8px;margin-top:.5rem;padding:.75rem}.kunci-panel{gap:.6rem;margin-top:.7rem;display:grid}.kunci-panel p{color:#1e3a8a;margin:0}.kunci-panel label{gap:.3rem;font-weight:600;display:grid}.kunci-panel input{width:100%;font:inherit;border:1px solid #93c5fd;border-radius:8px;padding:.65rem .75rem}.kunci-batas,.kunci-status{color:#1e3a8a;margin:.5rem 0;font-size:.92rem}.kunci-jawaban pre{white-space:pre;color:#e2e8f0;background:#0f172a;border-radius:6px;max-height:260px;margin:.6rem 0;padding:.75rem;font-size:.85rem;overflow:auto}.kunci-aksi{flex-wrap:wrap;justify-content:flex-end;gap:.5rem;display:flex}.hasil-cek{gap:.5rem;display:grid}.hasil-cek .kosong{color:var(--warna-teks-lembut);margin:0}.banner-hasil{border-radius:8px;margin:0;padding:.6rem .75rem;font-weight:700}.banner-lulus{color:var(--warna-sukses);background:var(--warna-sukses-lembut)}.banner-gagal{color:var(--warna-gagal);background:var(--warna-gagal-lembut)}.cek-error{color:var(--warna-gagal);background:var(--warna-gagal-lembut);border-radius:8px;gap:.15rem;padding:.6rem .75rem;display:grid}.daftar-cek{gap:.35rem;margin:0;padding:0;list-style:none;display:grid}.daftar-cek li{background:var(--warna-latar);border-radius:6px;padding:.45rem .6rem}.cek-gagal{color:var(--warna-gagal)}.lab-selesai{background:var(--warna-sukses-lembut);border-radius:8px;padding:.9rem}.memuat{padding:2rem}@media (width<=900px){.lab{min-height:auto;display:block}.lab-tab-mobile{z-index:10;background:var(--warna-latar);border-bottom:1px solid var(--warna-garis);gap:.25rem;padding:.5rem 1rem;display:flex;position:sticky;top:52px}.lab-tab-mobile .tab{border-radius:8px;flex:1}.lab-instruksi,.lab-editor,.lab-output,.lab-pembagi{border:0;display:none}.lab[data-tab-mobile=instruksi] .lab-instruksi{display:block}.lab[data-tab-mobile=editor] .lab-editor{display:flex}.lab[data-tab-mobile=output] .lab-output{padding-top:1rem;display:block}.editor-wadah{min-height:55vh}}