:root {
    --biru: #3b6fd8;
    --biru-tua: #23468f;
    --biru-muda: #e8f0ff;
    --kuning: #f6c90e;
    --kuning-muda: #fff8d6;
    --hijau: #1f9d55;
    --hijau-muda: #e3f7ea;
    --merah: #d64545;
    --merah-muda: #fde8e8;
    --oranye: #f08c00;
    --oranye-muda: #fff1db;
    --teks: #1f2937;
    --abu: #6b7280;
    --garis: #e5e7eb;
    --latar: #f7f9fc;
    --putih: #ffffff;
    --radius: 14px;
    --bayang: 0 4px 18px rgba(30, 50, 100, .08);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: "Poppins", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--teks);
    background: var(--latar);
    line-height: 1.55;
}
a { color: var(--biru); }
img, svg { max-width: 100%; }

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.container-sm { max-width: 720px; }

/* ---------- Header ---------- */
.topbar { background: var(--biru); color: #fff; box-shadow: var(--bayang); position: sticky; top: 0; z-index: 20; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; font-size: 1.05rem; }
.brand .logo { width: 36px; height: 36px; border-radius: 10px; background: var(--kuning); color: var(--biru-tua); display: grid; place-items: center; font-weight: 800; }
.topbar nav { display: flex; gap: 4px; flex-wrap: wrap; }
.topbar nav a, .topbar nav button { color: #fff; text-decoration: none; padding: 8px 12px; border-radius: 8px; font-size: .92rem; background: none; border: 0; cursor: pointer; font-family: inherit; }
.topbar nav a:hover, .topbar nav a.aktif, .topbar nav button:hover { background: rgba(255, 255, 255, .18); }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(135deg, var(--kuning) 0%, #ffe066 100%); padding: 36px 0 70px; }
.hero h1 { margin: 0 0 8px; font-size: clamp(1.5rem, 4vw, 2.3rem); color: var(--biru-tua); line-height: 1.2; }
.hero p { margin: 0; color: #4a3d00; max-width: 640px; }
.hero + .container { margin-top: -46px; }

/* ---------- Card ---------- */
.card { background: var(--putih); border-radius: var(--radius); box-shadow: var(--bayang); padding: 22px; margin-bottom: 18px; }
.card h2, .card h3 { margin-top: 0; color: var(--biru-tua); }
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-stat { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.stat { background: var(--putih); border-radius: var(--radius); box-shadow: var(--bayang); padding: 18px; }
.stat .angka { font-size: 1.9rem; font-weight: 800; color: var(--biru-tua); }
.stat .ket { color: var(--abu); font-size: .9rem; }

/* ---------- Aturan ---------- */
.aturan { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.aturan li { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 10px; font-weight: 500; }
.aturan .poin { min-width: 52px; text-align: center; font-weight: 800; font-size: 1.1rem; padding: 4px 8px; border-radius: 8px; color: #fff; }
.aturan .benar { background: var(--hijau-muda); } .aturan .benar .poin { background: var(--hijau); }
.aturan .salah { background: var(--merah-muda); } .aturan .salah .poin { background: var(--merah); }
.aturan .kosong { background: #f1f3f6; } .aturan .kosong .poin { background: var(--abu); }
.catatan { background: var(--kuning-muda); border-left: 4px solid var(--kuning); padding: 12px 14px; border-radius: 8px; font-size: .92rem; margin-top: 14px; }

/* ---------- Form ---------- */
label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .93rem; }
.field { margin-bottom: 14px; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
    width: 100%; padding: 11px 13px; border: 1.5px solid var(--garis); border-radius: 10px; font: inherit; background: #fff; color: var(--teks);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--biru); box-shadow: 0 0 0 3px var(--biru-muda); }
textarea { min-height: 90px; resize: vertical; font-family: ui-monospace, Consolas, monospace; font-size: .9rem; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 500; }
.check input { width: 18px; height: 18px; }
.error { color: var(--merah); font-size: .85rem; margin-top: 4px; }
.help { color: var(--abu); font-size: .83rem; margin-top: 4px; }
.row { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 11px 20px; border-radius: 10px; border: 0; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; background: var(--biru); color: #fff; transition: transform .05s, filter .15s; }
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }
.btn-besar { padding: 14px 26px; font-size: 1.05rem; width: 100%; }
.btn-kuning { background: var(--kuning); color: var(--biru-tua); }
.btn-hijau { background: var(--hijau); }
.btn-merah { background: var(--merah); }
.btn-garis { background: #fff; color: var(--biru); border: 1.5px solid var(--biru); }
.btn-kecil { padding: 6px 12px; font-size: .85rem; border-radius: 8px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; }
.alert-ok { background: var(--hijau-muda); color: #14532d; }
.alert-err { background: var(--merah-muda); color: #7f1d1d; }

/* ---------- Tabel ---------- */
.tabel-wrap { overflow-x: auto; }
table.tabel { width: 100%; border-collapse: collapse; font-size: .92rem; }
.tabel th, .tabel td { padding: 10px 12px; border-bottom: 1px solid var(--garis); text-align: left; vertical-align: top; }
.tabel th { background: var(--biru-muda); color: var(--biru-tua); font-weight: 600; white-space: nowrap; }
.tabel tr:hover td { background: #fafbff; }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--biru-muda); color: var(--biru-tua); white-space: nowrap; }
.badge-mudah { background: var(--hijau-muda); color: #14532d; }
.badge-sedang { background: var(--oranye-muda); color: #7c4a03; }
.badge-sulit { background: var(--merah-muda); color: #7f1d1d; }
.badge-off { background: #eee; color: #666; }
.aksi { display: flex; gap: 6px; flex-wrap: wrap; }
.aksi form { margin: 0; }
.filter { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; margin-bottom: 16px; }
.filter > * { flex: 1 1 160px; }
.filter .btn { flex: 0 0 auto; }
.pagination-wrap nav { margin-top: 14px; }
.pagination-wrap svg { width: 18px; height: 18px; }

/* ---------- Konten soal ---------- */
.fig { margin: 12px 0; text-align: center; }
.fig.emoji { font-size: 1.8rem; letter-spacing: 2px; }
.fig svg { height: auto; }
.fig .bangun { fill: #fff8d6; stroke: var(--biru-tua); stroke-width: 3; }
.fig .arsir { fill: var(--biru); stroke: var(--biru-tua); stroke-width: 3; }
.fig .garis { stroke: var(--biru-tua); stroke-width: 3; }
.fig .bantu { stroke: #cbd5e1; stroke-width: 1; stroke-dasharray: 4 4; }
.fig .batang { fill: var(--biru); }
.fig .label, .fig .label-x { font-size: 12px; fill: var(--teks); }
.fig .label { text-anchor: end; }
.fig .label-x { text-anchor: middle; }
.fig .angka { font-size: 16px; font-weight: 700; text-anchor: middle; fill: var(--teks); }
.fig .jarum-panjang { stroke: var(--merah); stroke-width: 3; stroke-linecap: round; }
.fig .jarum-pendek { stroke: var(--biru-tua); stroke-width: 5; stroke-linecap: round; }
.fig .titik { fill: var(--biru-tua); }
.fig .caption, .caption { font-size: .85rem; color: var(--abu); margin: 4px 0 0; }
table.tabel-data { border-collapse: collapse; margin: 12px auto; min-width: 220px; }
.tabel-data th, .tabel-data td { border: 1.5px solid #94a3b8; padding: 7px 14px; text-align: center; }
.tabel-data th { background: var(--biru-muda); }

/* ---------- Halaman ujian ---------- */
.ujian-bar { background: var(--putih); border-bottom: 1px solid var(--garis); position: sticky; top: 0; z-index: 30; }
.ujian-bar .container { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 64px; flex-wrap: wrap; padding-top: 6px; padding-bottom: 6px; }
.peserta { font-size: .9rem; color: var(--abu); }
.peserta b { color: var(--teks); }
.timer { font-variant-numeric: tabular-nums; font-weight: 800; font-size: 1.35rem; background: var(--biru-muda); color: var(--biru-tua); padding: 6px 16px; border-radius: 10px; }
.timer.kritis { background: var(--merah-muda); color: var(--merah); animation: kedip 1s infinite; }
@keyframes kedip { 50% { opacity: .55; } }
.status-simpan { font-size: .8rem; color: var(--abu); min-width: 90px; text-align: right; }

.ujian-layout { display: grid; grid-template-columns: 1fr 300px; gap: 18px; padding-top: 18px; padding-bottom: 40px; align-items: start; }
.panel-nomor { position: sticky; top: 84px; }
.nomor-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }
.nomor-grid button { aspect-ratio: 1; border: 1.5px solid var(--garis); background: #fff; border-radius: 9px; font-weight: 700; cursor: pointer; font-family: inherit; font-size: .95rem; color: var(--teks); }
.nomor-grid button.terjawab { background: var(--biru); color: #fff; border-color: var(--biru); }
.nomor-grid button.ragu { background: var(--oranye); color: #fff; border-color: var(--oranye); }
.nomor-grid button.sekarang { outline: 3px solid var(--kuning); outline-offset: 1px; }
.legenda { display: flex; flex-wrap: wrap; gap: 10px; font-size: .78rem; color: var(--abu); margin-top: 12px; }
.legenda span::before { content: ""; display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 5px; vertical-align: -1px; border: 1.5px solid var(--garis); }
.legenda .l-terjawab::before { background: var(--biru); border-color: var(--biru); }
.legenda .l-ragu::before { background: var(--oranye); border-color: var(--oranye); }

.soal-kepala { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; gap: 10px; }
.soal-no { font-weight: 800; color: var(--biru-tua); font-size: 1.1rem; }
.soal-teks { font-size: 1.08rem; margin-bottom: 18px; }
.opsi-list { display: grid; gap: 10px; }
.opsi { display: flex; align-items: center; gap: 14px; padding: 13px 15px; border: 2px solid var(--garis); border-radius: 12px; cursor: pointer; background: #fff; text-align: left; font: inherit; font-size: 1.02rem; color: var(--teks); width: 100%; transition: border-color .12s, background .12s; }
.opsi:hover { border-color: var(--biru); background: #fafcff; }
.opsi .huruf { flex: 0 0 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--biru-muda); color: var(--biru-tua); font-weight: 800; }
.opsi.dipilih { border-color: var(--biru); background: var(--biru-muda); }
.opsi.dipilih .huruf { background: var(--biru); color: #fff; }
.soal-aksi { display: flex; justify-content: space-between; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.soal-aksi .tengah { display: flex; gap: 8px; flex-wrap: wrap; }

.modal-latar { position: fixed; inset: 0; background: rgba(15, 23, 42, .55); display: none; align-items: center; justify-content: center; z-index: 50; padding: 16px; }
.modal-latar.buka { display: flex; }
.modal { background: #fff; border-radius: var(--radius); padding: 24px; max-width: 440px; width: 100%; }
.modal h3 { margin-top: 0; color: var(--biru-tua); }
.modal .tombol { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; flex-wrap: wrap; }

/* ---------- Hasil ---------- */
.skor-besar { text-align: center; padding: 26px 16px; background: linear-gradient(135deg, var(--biru) 0%, var(--biru-tua) 100%); color: #fff; border-radius: var(--radius); margin-bottom: 18px; }
.skor-besar .nilai { font-size: clamp(2.8rem, 9vw, 4.2rem); font-weight: 800; line-height: 1; }
.skor-besar .dari { opacity: .8; }
.ringkas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 18px; }
.ringkas div { background: rgba(255, 255, 255, .14); border-radius: 10px; padding: 10px 4px; }
.ringkas b { display: block; font-size: 1.5rem; }
.bar { height: 10px; background: #edf0f5; border-radius: 99px; overflow: hidden; display: flex; }
.bar .b { background: var(--hijau); } .bar .s { background: var(--merah); } .bar .k { background: #cbd5e1; }
.review-item { border-left: 5px solid var(--garis); }
.review-item.benar { border-left-color: var(--hijau); }
.review-item.salah { border-left-color: var(--merah); }
.review-item.kosong { border-left-color: #cbd5e1; }
.review-opsi { display: grid; gap: 6px; margin: 10px 0; }
.review-opsi div { padding: 8px 12px; border-radius: 8px; border: 1.5px solid var(--garis); }
.review-opsi .kunci { border-color: var(--hijau); background: var(--hijau-muda); }
.review-opsi .keliru { border-color: var(--merah); background: var(--merah-muda); }
.pembahasan { background: var(--kuning-muda); padding: 10px 14px; border-radius: 8px; font-size: .95rem; }

.footer { text-align: center; color: var(--abu); font-size: .82rem; padding: 26px 16px; }
.muted { color: var(--abu); }
.right { text-align: right; }
.mt-0 { margin-top: 0; }

@media (max-width: 860px) {
    .ujian-layout { grid-template-columns: 1fr; }
    .panel-nomor { position: static; order: 2; }
    .nomor-grid { grid-template-columns: repeat(auto-fill, minmax(44px, 1fr)); }
}
@media (max-width: 520px) {
    .card { padding: 16px; }
    .soal-aksi .btn { flex: 1 1 auto; }
    .timer { font-size: 1.15rem; padding: 5px 12px; }
}
@media print {
    .topbar, .no-print { display: none !important; }
    body { background: #fff; }
    .card { box-shadow: none; border: 1px solid #ddd; break-inside: avoid; }
}

/* ---------- Paginasi (pagination::default) ---------- */
.pagination { display: flex; flex-wrap: wrap; gap: 4px; list-style: none; padding: 0; margin: 16px 0 0; }
.pagination li > a, .pagination li > span { display: block; padding: 6px 12px; border-radius: 8px; border: 1px solid var(--garis); text-decoration: none; background: #fff; font-size: .9rem; }
.pagination li.active > span { background: var(--biru); color: #fff; border-color: var(--biru); }
.pagination li.disabled > span { color: #bbb; }

/* ---------- Pemberitahuan lulus / belum lulus ---------- */
.status-ujian { display: flex; gap: 14px; align-items: center; padding: 18px 20px; border-radius: var(--radius); margin-bottom: 16px; border: 2px solid; animation: muncul .5s ease-out; }
.status-ujian .ikon { font-size: 2.4rem; line-height: 1; }
.status-ujian .judul { font-weight: 800; font-size: 1.15rem; margin-bottom: 2px; }
.status-ujian.lulus { background: var(--hijau-muda); border-color: var(--hijau); color: #14532d; }
.status-ujian.belum { background: var(--oranye-muda); border-color: var(--oranye); color: #7c4a03; }
@keyframes muncul { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }