/*
 * Gaya bersama web ujian MSBS. Token dan komponen diambil dari mockup
 * (Mockup/*.dc.html): navy, tosca, oranye; Plus Jakarta Sans untuk judul,
 * Inter untuk isi, JetBrains Mono untuk nama file dan nomor.
 */
:root {
  --navy: #10275A; --navy-2: #1C3F7C; --biru: #3C6FC4; --tosca: #14A39A;
  --oranye: #E4681F; --oranye-tua: #C2531A; --merah: #D63B2F;
  --teks: #1B2230; --redup: #5A6576; --samar: #8C96A6; --garis: #E5E9F0; --blok: #F6F8FB;
  --judul: 'Plus Jakarta Sans', sans-serif; --isi: Inter, sans-serif; --mono: 'JetBrains Mono', monospace;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: #FFFFFF; font-family: var(--isi); color: var(--teks); }
a { color: var(--navy-2); } a:hover { color: var(--navy); }
img { max-width: 100%; }
.mono { font-family: var(--mono); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Animasi */
@keyframes drift2 { from { transform: translateX(0) } to { transform: translateX(-50%) } }
@keyframes rise { from { opacity: 0; transform: translateY(18px) } to { opacity: 1; transform: translateY(0) } }
@keyframes fall { 0% { transform: translateY(-40px) rotate(0); opacity: 1 } 100% { transform: translateY(420px) rotate(540deg); opacity: 0 } }
@keyframes pop { 0% { transform: scale(.5); opacity: 0 } 70% { transform: scale(1.12) } 100% { transform: scale(1); opacity: 1 } }
@keyframes shake { 0%,100% { transform: translateX(0) } 20%,60% { transform: translateX(-6px) } 40%,80% { transform: translateX(6px) } }
@keyframes spin { to { transform: rotate(360deg) } }
.w1 { animation: drift2 50s linear infinite } .w2 { animation: drift2 80s linear infinite }
.rise { animation: rise .6s cubic-bezier(.2,.8,.2,1) both }
.d1 { animation-delay: .08s } .d2 { animation-delay: .16s } .d3 { animation-delay: .24s }
.d4 { animation-delay: .32s } .d5 { animation-delay: .4s } .d6 { animation-delay: .48s }
.pop { animation: pop .45s ease-out both } .shake { animation: shake .45s ease-in-out }
.spin { animation: spin 1.4s linear infinite }
.conf { position: absolute; top: 0; width: 10px; height: 14px; border-radius: 2px; animation: fall 2.4s ease-in forwards }
@media (prefers-reduced-motion: reduce) { .w1, .w2, .rise, .pop, .shake, .spin, .conf { animation: none !important } }

/* Kepala halaman */
.kepala { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--garis); }
.kepala .wrap { padding-top: 12px; padding-bottom: 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; }
.kepala .logo { height: 36px; width: auto; }
.nav { display: flex; gap: 4px; flex: 1 1 auto; flex-wrap: wrap; }
.nav a { padding: 10px 14px; border-radius: 10px; color: var(--redup); font-weight: 500; text-decoration: none; }
.nav a.on { background: var(--blok); color: var(--navy); font-weight: 600; }
.pil-waktu { display: flex; align-items: center; gap: 10px; padding: 8px 16px 8px 10px; border-radius: 999px; background: var(--navy); color: #fff; transition: background .6s; }
.pil-waktu .lbl { font: 600 13px var(--isi); opacity: .85; }
.pil-waktu .jam { font: 700 18px var(--mono); font-variant-numeric: tabular-nums; }
.akun { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.akun img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.akun .nm { display: flex; flex-direction: column; }
.akun .nm b { font-weight: 600; color: var(--teks); font-size: 14px; }
.akun .nm span { font: 500 12px var(--mono); color: var(--redup); }
.keluar { background: none; border: 0; font: 500 14px var(--isi); color: var(--redup); cursor: pointer; padding: 8px; }

/* Hero dengan gelombang silk */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--garis); }
.hero .silk { position: absolute; left: 0; right: 0; bottom: 0; height: 180px; overflow: hidden; pointer-events: none; }
.hero .silk svg { position: absolute; left: 0; bottom: 0; width: 200%; }
.hero .silk .pudar { position: absolute; inset: 0; background: linear-gradient(#FFFFFF, rgba(255,255,255,0) 70%); }
.hero .isi { position: relative; padding-top: 56px; padding-bottom: 130px; display: flex; flex-wrap: wrap; gap: 28px 48px; align-items: flex-end; }
.eyebrow { font: 600 12.5px var(--isi); letter-spacing: .16em; color: var(--oranye); text-transform: uppercase; }
.h1 { margin: 0; font: 800 clamp(30px, 4vw, 52px)/1.08 var(--judul); color: var(--navy); }
.lead { margin: 0; font-size: 18px; line-height: 1.65; color: var(--redup); max-width: 660px; }
.chip { display: inline-block; padding: 8px 14px; border-radius: 999px; background: var(--blok); border: 1px solid var(--garis); font-size: 14px; color: var(--navy-2); }

/* Tombol */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 46px; padding: 0 20px; border-radius: 12px; border: 0; font: 600 15px var(--isi); cursor: pointer; text-decoration: none; transition: transform .15s, background .2s; }
.btn:hover { transform: translateY(-1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn.pri { background: var(--oranye); color: #fff; } .btn.pri:hover { background: var(--oranye-tua); color: #fff; }
.btn.navy { background: var(--navy); color: #fff; } .btn.navy:hover { background: var(--navy-2); color: #fff; }
.btn.sec { background: #fff; color: var(--navy); box-shadow: inset 0 0 0 1.5px #D5DBE5; }
.btn.kecil { min-height: 38px; padding: 0 14px; font-size: 14px; }
.btn.lebar { width: 100%; }

/* Kartu & bagian */
.kartu { padding: 24px; border-radius: 20px; border: 1.5px solid var(--garis); background: #fff; }
.kartu.bayang { box-shadow: 0 16px 36px rgba(16,39,90,.07); }
.blok { padding: 24px; border-radius: 18px; background: var(--blok); }
.judul-bagian { display: flex; flex-wrap: wrap; align-items: baseline; gap: 14px; border-top: 1px solid var(--garis); padding-top: 22px; }
.judul-bagian .no { font: 800 18px var(--judul); color: var(--oranye); }
.judul-bagian h2 { margin: 0; font: 700 26px var(--judul); color: var(--navy); }
.label-kecil { font: 600 12px var(--isi); letter-spacing: .14em; color: var(--samar); text-transform: uppercase; }
.h2 { margin: 0; font: 700 22px var(--judul); color: var(--navy); }

/* Formulir */
.form-kolom { display: flex; flex-direction: column; gap: 18px; }
.medan { display: flex; flex-direction: column; gap: 6px; }
.medan label { font: 600 14px var(--isi); color: var(--navy); }
.medan input, .medan select { min-height: 48px; padding: 0 14px; border-radius: 12px; border: 1.5px solid #D5DBE5; font: 400 16px var(--isi); color: var(--teks); background: #fff; }
.medan input:focus { outline: none; border-color: var(--biru); box-shadow: 0 0 0 3px rgba(60,111,196,.15); }
.medan .bantu { font-size: 13.5px; color: var(--redup); }
.medan .galat { font-size: 13.5px; color: #9A2A1F; }
.dua-kolom { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.pesan { padding: 14px 16px; border-radius: 12px; font-size: 14.5px; line-height: 1.5; }
.pesan.galat { background: #FDECEA; color: #9A2A1F; }
.pesan.ok { background: #DDF3EF; color: #1F7A70; }
.pesan.info { background: var(--blok); color: var(--navy-2); }

/* Tab soal */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px; border-radius: 16px; background: var(--blok); align-self: flex-start; }
.tab { border: 0; background: transparent; padding: 12px 18px; border-radius: 12px; font: 600 15px var(--isi); color: var(--redup); cursor: pointer; transition: background .2s, color .2s; }
.tab:hover { background: #fff; } .tab.on { background: var(--navy); color: #fff; }

/* Tirai terkunci di atas soal & kotak unggah */
.terkunci { position: absolute; inset: 70px 0 0; border-radius: 20px; background: rgba(255,255,255,.88); backdrop-filter: blur(6px); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; text-align: center; padding: 24px; z-index: 2; }
.terkunci .gembok { width: 76px; height: 76px; border-radius: 50%; background: var(--navy); display: flex; align-items: center; justify-content: center; }

/* Kotak unggah */
.zona { display: flex; flex-direction: column; gap: 14px; padding: 22px; border-radius: 20px; border: 2px dashed #C9D3E3; background: #fff; transition: border-color .3s, background .3s; }
.zona.seret { border-color: var(--biru); background: #F3F7FD; }
.zona.selesai { border-color: var(--tosca); background: #F1FAF8; }
.zona.salah { border-color: #E0786C; }
.tag { padding: 4px 10px; border-radius: 999px; font: 600 12px var(--isi); background: #EEF1F6; color: var(--redup); }
.tag.ok { background: #DDF3EF; color: #1F7A70; } .tag.telat { background: #FFF4EC; color: #B04A12; }
.bilah { height: 10px; border-radius: 999px; background: var(--garis); overflow: hidden; }
.bilah > div { height: 10px; background: linear-gradient(90deg, var(--biru), var(--tosca)); width: 0; transition: width .25s linear; }

/* Kaki halaman */
.kaki { border-top: 1px solid var(--garis); }
.kaki .wrap { padding-top: 24px; padding-bottom: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 14px; color: var(--samar); }

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .hero .isi { padding-top: 36px; padding-bottom: 110px; }
  .judul-bagian h2 { font-size: 22px; }
  .kepala .wrap { gap: 10px 14px; }
  .akun .nm { display: none; }
}

/* Tombol yang menunggu jam mulai. */
.btn.mati { opacity: .45; pointer-events: none; }

/* ---------- Admin: tanpa mockup, memakai token yang sama ---------- */
.admin main { padding-top: 32px; padding-bottom: 80px; display: flex; flex-direction: column; gap: 24px; }
.admin .judul { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 24px; }
.admin .judul h1 { margin: 0; font: 800 30px var(--judul); color: var(--navy); }
.admin .judul p { margin: 4px 0 0; color: var(--redup); font-size: 15px; }
.tabel-wrap { overflow-x: auto; border: 1.5px solid var(--garis); border-radius: 16px; background: #fff; }
.tabel { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.tabel th { text-align: left; font: 600 12px var(--isi); letter-spacing: .1em; text-transform: uppercase; color: var(--samar); padding: 12px 14px; border-bottom: 1.5px solid var(--garis); background: var(--blok); white-space: nowrap; }
.tabel td { padding: 12px 14px; border-bottom: 1px solid var(--garis); vertical-align: middle; }
.tabel tr:last-child td { border-bottom: 0; }
.tabel tr:hover td { background: #FAFBFD; }
.tabel .ang { text-align: right; font-variant-numeric: tabular-nums; }
.foto-kecil { width: 40px; min-width: 40px; height: 40px; border-radius: 50%; object-fit: cover; background: var(--blok); display: block; }
.baris-aksi { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.baris-aksi form { margin: 0; }
.btn.mini { min-height: 32px; padding: 0 12px; font-size: 13.5px; border-radius: 9px; }
.btn.bahaya { background: #fff; color: #9A2A1F; box-shadow: inset 0 0 0 1.5px #F0C4BE; }
.btn.tosca { background: var(--tosca); color: #fff; } .btn.tosca:hover { background: #0F8A82; color: #fff; }
.saring { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.saring a { padding: 8px 14px; border-radius: 999px; text-decoration: none; font-size: 14px; color: var(--redup); background: var(--blok); }
.saring a.on { background: var(--navy); color: #fff; }
.saring input { min-height: 38px; padding: 0 12px; border-radius: 10px; border: 1.5px solid #D5DBE5; font: 400 14.5px var(--isi); }
.tag.galat { background: #FDECEA; color: #9A2A1F; } .tag.biru { background: #E6EEFB; color: var(--navy-2); }
.grid-dua { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); gap: 20px; align-items: start; }
.kartu h2 { margin: 0 0 14px; font: 700 19px var(--judul); color: var(--navy); }
.medan textarea { min-height: 96px; padding: 12px 14px; border-radius: 12px; border: 1.5px solid #D5DBE5; font: 400 15px/1.5 var(--isi); color: var(--teks); resize: vertical; }
.medan textarea:focus, .medan select:focus { outline: none; border-color: var(--biru); box-shadow: 0 0 0 3px rgba(60,111,196,.15); }
.medan input[type=file] { min-height: 0; padding: 10px; }
.tiga-kolom { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
details.lipat > summary { cursor: pointer; font-weight: 600; color: var(--navy-2); }
.butir { display: grid; grid-template-columns: 54px minmax(0, 1fr) 110px; gap: 12px 16px; padding: 16px 0; border-bottom: 1px solid var(--garis); align-items: start; }
.butir:last-child { border-bottom: 0; }
.butir .kode { font: 700 15px var(--mono); color: var(--oranye); padding-top: 10px; }
.butir .nama { font-weight: 600; color: var(--navy); }
.butir .kriteria { font-size: 13.5px; line-height: 1.55; color: var(--redup); margin-top: 4px; white-space: pre-line; }
.butir input[type=number] { width: 100%; min-height: 44px; border-radius: 10px; border: 1.5px solid #D5DBE5; padding: 0 10px; font: 700 18px var(--judul); text-align: center; }
.butir textarea { grid-column: 2 / 4; min-height: 40px; padding: 8px 12px; border-radius: 10px; border: 1.5px solid #E5E9F0; font: 400 14px var(--isi); resize: vertical; }
.lekat { position: sticky; top: 76px; }
.angka-besar { font: 800 54px/1 var(--judul); color: var(--navy); font-variant-numeric: tabular-nums; }
@media (max-width: 640px) { .butir { grid-template-columns: 44px minmax(0,1fr) 80px; } .lekat { position: static; } }