/* ==========================================================================
   CBT — satu file CSS, tanpa framework & tanpa build step.
   Alasan: lab ujian sering offline; CDN Tailwind/Bootstrap = risiko blank UI.
   ========================================================================== */
:root {
  --bg: #f1f5f9;
  --card: #ffffff;
  --ink: #0f172a;
  --ink-2: #475569;
  --ink-3: #5b6b80;
  --line: #e2e8f0;
  --brand: #4f46e5;
  --brand-2: #7c3aed;
  --grad: linear-gradient(135deg, #4f46e5 0%, #7c3aed 55%, #a855f7 100%);
  --ok: #059669;
  --ok-bg: #d1fae5;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --bad: #dc2626;
  --bad-bg: #fee2e2;
  --info: #0369a1;
  --info-bg: #e0f2fe;
  --r: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px -12px rgba(15, 23, 42, .18);
  --sidebar: 250px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", Inter, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 .35rem; line-height: 1.25; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 .6rem; }
small, .small { font-size: .82rem; }
.muted { color: var(--ink-2); }
.dim { color: var(--ink-3); }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; }
.center { text-align: center; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }
.mt { margin-top: 1rem; }
.mt-2 { margin-top: 1.5rem; }
.mb0 { margin-bottom: 0; }
.hidden { display: none !important; }

/* ---------------------------------------------------------------- login ---- */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background: var(--grad);
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border-radius: 20px;
  padding: 2rem 1.75rem;
  box-shadow: 0 24px 60px -20px rgba(15, 23, 42, .5);
}
.auth-logo {
  width: 58px; height: 58px;
  margin: 0 auto .9rem;
  border-radius: 17px;
  background: var(--grad);
  color: #fff;
  display: grid; place-items: center;
  font-size: 1.6rem; font-weight: 700;
}
.auth-card h1 { font-size: 1.3rem; text-align: center; }
.auth-sub { text-align: center; color: var(--ink-2); margin-bottom: 1.4rem; font-size: .9rem; }
/* logo perisai: patok tinggi, jangan dipaksa jadi kotak */
.auth-logo-img { display: block; height: 86px; width: auto; margin: 0 auto .8rem; }
.auth-moto {
  text-align: center; color: var(--ink-3); font-size: .72rem;
  letter-spacing: .1em; text-transform: uppercase;
  margin: -1.1rem 0 1.4rem;
}
.auth-foot { text-align: center; margin-top: 1.25rem; font-size: .85rem; }

/* ---------------------------------------------------------------- form ----- */
.field { margin-bottom: .9rem; }
label { display: block; font-weight: 600; font-size: .85rem; margin-bottom: .3rem; color: var(--ink); }
input[type=text], input[type=password], input[type=number], input[type=datetime-local],
input[type=date], input[type=file], select, textarea {
  width: 100%;
  padding: .6rem .75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
textarea { resize: vertical; min-height: 76px; }
input:focus, select:focus, textarea:focus {
  outline: 0;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, .16);
}
input[readonly] { background: #f8fafc; color: var(--ink-2); }
.hint { font-size: .78rem; color: var(--ink-3); margin-top: .25rem; }
/* umpan balik langsung saat mengetik konfirmasi password */
.hint-ok { color: #065f46; font-weight: 600; }
.hint-bad { color: #991b1b; font-weight: 600; }
.check { display: flex; align-items: center; gap: .5rem; font-weight: 500; font-size: .9rem; cursor: pointer; }
.check input { margin: 0; width: 18px; height: 18px; accent-color: var(--brand); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: .9rem; }

/* ---------------------------------------------------------------- button --- */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .58rem 1rem;
  border: 1px solid transparent;
  border-radius: 10px;
  background: var(--grad);
  color: #fff;
  font: inherit; font-weight: 600;
  cursor: pointer;
  transition: transform .12s, box-shadow .12s, opacity .12s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; box-shadow: 0 8px 20px -8px rgba(79, 70, 229, .7); transform: translateY(-1px); }
.btn:active { transform: none; }
.btn:disabled, .btn[disabled] {
  cursor: not-allowed; transform: none; box-shadow: none;
  background: #e2e8f0; color: #64748b; border-color: #cbd5e1;
}
.btn-block { width: 100%; justify-content: center; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: #f8fafc; box-shadow: none; }
.btn-danger { background: var(--bad); }
.btn-danger:hover { box-shadow: 0 8px 20px -8px rgba(220, 38, 38, .6); }
.btn-ok { background: var(--ok); }
.btn-sm { padding: .32rem .6rem; font-size: .8rem; border-radius: 8px; min-height: 32px; }
.btn-row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }

/* ---------------------------------------------------------------- alert ---- */
.alert {
  padding: .7rem .9rem;
  border-radius: 10px;
  margin-bottom: 1rem;
  font-size: .89rem;
  border-left: 4px solid;
}
.alert-error { background: var(--bad-bg); color: #7f1d1d; border-color: var(--bad); }
.alert-ok { background: var(--ok-bg); color: #064e3b; border-color: var(--ok); }
.alert-info { background: var(--info-bg); color: #075985; border-color: var(--info); }
.alert-warn { background: var(--warn-bg); color: #78350f; border-color: var(--warn); }
.alert ul { margin: .3rem 0 0; padding-left: 1.1rem; }

/* ---------------------------------------------------------------- badge ---- */
.badge {
  display: inline-block;
  padding: .18rem .55rem;
  border-radius: 999px;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .02em;
  white-space: nowrap;
}
.badge-belum { background: var(--info-bg); color: #075985; }
.badge-berlangsung { background: var(--ok-bg); color: #065f46; }
.badge-lewat { background: var(--bad-bg); color: #991b1b; }
.badge-nonaktif { background: #e2e8f0; color: #334155; }
.badge-sedang { background: var(--warn-bg); color: #92400e; }
.badge-selesai { background: var(--ok-bg); color: #065f46; }

/* ---------------------------------------------------------------- shell ---- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar);
  flex: 0 0 var(--sidebar);
  background: #131a2e;
  color: #cbd5e1;
  padding: 1.1rem .8rem;
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
}
.sidebar .brand {
  display: flex; align-items: center; gap: .6rem;
  padding: 0 .4rem 1rem;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, .09);
  margin-bottom: .8rem;
}
.sidebar .brand .logo {
  width: 34px; height: 34px; border-radius: 10px;
  background: var(--grad);
  display: grid; place-items: center;
  font-weight: 700; font-size: 1rem; flex: 0 0 34px;
}
/* logo sekolah: perisai tegak, jadi tinggi yang dipatok, lebar mengikuti */
.sidebar .brand .logo-img { height: 46px; width: auto; flex: 0 0 auto; object-fit: contain; }
.sidebar .brand b { font-size: .95rem; display: block; line-height: 1.15; }
.sidebar .brand span { font-size: .72rem; color: #b6c2d4; }
.nav { display: flex; flex-direction: column; gap: .15rem; flex: 1; }
.nav a {
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem .7rem;
  border-radius: 9px;
  color: #cbd5e1;
  font-size: .9rem; font-weight: 500;
}
.nav a:hover { background: rgba(255, 255, 255, .07); color: #fff; text-decoration: none; }
.nav a.on { background: var(--grad); color: #fff; box-shadow: 0 6px 18px -8px rgba(124, 58, 237, .9); }
.nav .sep { font-size: .68rem; text-transform: uppercase; letter-spacing: .09em; color: #94a3b8; padding: .9rem .7rem .3rem; }
.sidebar .foot { border-top: 1px solid rgba(255, 255, 255, .09); padding-top: .7rem; font-size: .8rem; }
.sidebar .foot .sekolah { color: #b6c2d4; font-size: .75rem; margin-bottom: .4rem; }
.sidebar .foot .moto {
  color: #94a3b8; font-size: .68rem; letter-spacing: .06em;
  text-transform: uppercase; margin: -.2rem 0 .5rem;
}
.sidebar .foot a { color: #fca5a5; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: .7rem 1.25rem;
  display: flex; align-items: center; gap: .8rem;
  position: sticky; top: 0; z-index: 20;
  box-sizing: border-box; width: 100%; max-width: 100%;
}
.topbar .title { font-weight: 650; font-size: 1rem; flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar .who { font-size: .82rem; color: var(--ink-2); text-align: right; flex: 0 1 auto; min-width: 0; }
.topbar .who b { display: block; line-height: 1.2; }
.topbar .who span { display: block; line-height: 1.2; }
.hamb {
  display: none;
  background: #fff; border: 1px solid var(--line); border-radius: 9px;
  width: 44px; height: 44px; font-size: 1.1rem; cursor: pointer; line-height: 1;
}
.content { padding: 1.25rem; flex: 1; }
.page-head { display: flex; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.page-head > div:first-child { flex: 1; min-width: 220px; }

/* ---------------------------------------------------------------- card ----- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  margin-bottom: 1.1rem;
  overflow: hidden;
}
.card > .card-head {
  padding: .8rem 1rem;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: .7rem; flex-wrap: wrap;
  background: #fbfcfe;
}
.card > .card-head h2, .card > .card-head h3 { margin: 0; flex: 1; min-width: 160px; }
.card > .card-body { padding: 1rem; }
.card > .card-body > :last-child { margin-bottom: 0; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: .9rem; margin-bottom: 1.1rem; align-items: stretch; }
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: .95rem 1rem;
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: .85rem;
  height: 100%;
}
.stat .ic {
  width: 44px; height: 44px; flex: 0 0 44px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-size: 1.25rem;
  background: #eef2ff; color: var(--brand);
}
.stat b { display: block; font-size: 1.45rem; line-height: 1.1; letter-spacing: -.02em; }
.stat span { font-size: .8rem; color: var(--ink-2); }

/* ---------------------------------------------------------------- table ---- */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  min-width: 0;
}
table.tbl { width: 100%; border-collapse: collapse; font-size: .88rem; }
/* jangan biarkan browser "memeras" kolom sampai tiap kata pecah — lebih baik
   tabel melebar dan wrapper-nya yang di-scroll */
table.tbl th, table.tbl td { padding: .58rem .7rem; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.tbl th {
  background: #f8fafc; font-size: .74rem; text-transform: uppercase;
  letter-spacing: .05em; color: var(--ink-2); font-weight: 700;
  position: sticky; top: 0; white-space: nowrap;
}
table.tbl tbody tr:hover { background: #fafbff; }
table.tbl tbody tr:last-child td { border-bottom: 0; }
table.tbl th.sortable { cursor: pointer; user-select: none; }
table.tbl th.sortable:hover { color: var(--ink); }
table.tbl th.sortable .sort-ind { font-size: .7rem; margin-left: .25rem; color: var(--ok); }
table.tbl td.act, table.tbl th.act { white-space: nowrap; text-align: right; padding-right: 1rem; }
.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
.empty { padding: 2.2rem 1rem; text-align: center; color: var(--ink-3); }
.empty .big { font-size: 2rem; display: block; margin-bottom: .3rem; }

/* paginasi bawaan CI4 memakai <ul class="pagination"> — buang bullet default */
ul.pagination {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: .3rem; align-items: center;
}
ul.pagination li a, ul.pagination li span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; min-height: 36px; padding: 0 .6rem;
  border: 1px solid var(--line); border-radius: 8px;
  background: #fff; color: var(--ink-2); font-size: .84rem; font-weight: 600;
  text-decoration: none;
}
ul.pagination li a:hover { background: #f1f5f9; text-decoration: none; }
ul.pagination li.active span { background: var(--grad); color: #fff; border-color: transparent; }
ul.pagination li.disabled span { opacity: .45; }

/* ---------------------------------------------------------------- modal ---- */
.modal-bg {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(15, 23, 42, .55);
  display: none; padding: 1rem;
  overflow-y: auto;
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.modal-bg.on { display: block; }
.modal {
  background: #fff;
  border-radius: 16px;
  max-width: 620px;
  margin: 3vh auto;
  box-shadow: 0 30px 70px -20px rgba(0, 0, 0, .6);
  overflow: hidden;
}
.modal.wide { max-width: 860px; }
.modal-head { padding: .9rem 1.1rem; border-bottom: 1px solid var(--line); display: flex; align-items: center; }
.modal-head h3 { flex: 1; margin: 0; }
.modal-head button {
  background: none; border: 0; font-size: 1.4rem; cursor: pointer; color: var(--ink-3);
  line-height: 1; padding: 0 .2rem;
}
.modal-body { padding: 1.1rem; }
.modal-foot { padding: .8rem 1.1rem; border-top: 1px solid var(--line); display: flex; gap: .5rem; justify-content: flex-end; background: #fbfcfe; }

/* ---------------------------------------------- siswa: dashboard & ujian --- */
.stu-top {
  background: var(--grad);
  color: #fff;
  padding: 1rem 1.25rem;
  padding-top: calc(1rem + env(safe-area-inset-top));
  display: flex; align-items: center; gap: .9rem; flex-wrap: wrap;
  position: sticky; top: 0; z-index: 30;
}
.stu-top .logo { width: 38px; height: 38px; border-radius: 11px; background: rgba(255, 255, 255, .2); display: grid; place-items: center; font-weight: 700; }
/* logo sekolah di bilah siswa: perisai tegak, patok tingginya saja */
.stu-top .logo-img { height: 42px; width: auto; flex: 0 0 auto; }
.stu-top .me { flex: 1; min-width: 0; }
.stu-top .me b { display: block; font-size: .98rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stu-top .me span { font-size: .8rem; opacity: .9; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stu-top a.out { color: #fff; background: rgba(255, 255, 255, .18); padding: .5rem .9rem; border-radius: 9px; font-size: .84rem; font-weight: 600; min-height: 44px; flex: 0 0 auto; display: inline-flex; align-items: center; }
.stu-top a.out:hover { background: rgba(255, 255, 255, .3); text-decoration: none; }
.stu-wrap {
  max-width: 1000px; margin: 0 auto; padding: 1.25rem;
  /* di ponsel berhome-indicator, tombol terakhir jangan tertutup gesture bar */
  padding-bottom: calc(1.75rem + env(safe-area-inset-bottom));
}

.exam-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  box-shadow: var(--shadow); padding: 1rem 1.1rem; margin-bottom: .9rem;
  display: flex; gap: 1rem; align-items: center; flex-wrap: wrap;
}
.exam-card .info { flex: 1; min-width: 220px; }
.exam-card .aksi { text-align: right; display: grid; gap: .5rem; justify-items: end; }
.exam-card h3 { margin-bottom: .2rem; }
.exam-meta { font-size: .83rem; color: var(--ink-2); display: flex; gap: .35rem .9rem; flex-wrap: wrap; margin-top: .35rem; align-items: flex-start; }
.exam-meta span { display: inline-flex; gap: .3rem; }

/* bilah kerja ujian */
.exam-bar {
  background: #131a2e; color: #fff;
  padding: .6rem 1rem;
  display: flex; align-items: center; gap: .8rem; flex-wrap: wrap;
  position: sticky; top: 0; z-index: 40;
}
.exam-bar .nm { flex: 1 1 220px; min-width: 0; font-weight: 600; font-size: .92rem; }
.exam-bar .nm b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.exam-bar .nm small { display: block; font-weight: 400; opacity: .75; font-size: .76rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#timer {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 1.18rem; font-weight: 700;
  background: rgba(255, 255, 255, .14); padding: .3rem .7rem; border-radius: 9px;
  letter-spacing: .02em; display: flex; align-items: center; gap: .4rem;
}
#timer::before {
  content: 'Sisa';
  font-family: "Segoe UI", system-ui, sans-serif;
  font-size: .68rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em; opacity: .8;
}
#timer.warn { background: var(--warn); }
#timer.crit { background: var(--bad); animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .45; } }

.save-pill {
  font-size: .76rem; font-weight: 600; padding: .25rem .75rem; border-radius: 999px;
  background: rgba(16, 185, 129, .22); color: #a7f3d0;
  border: 1px solid rgba(167, 243, 208, .45);
  white-space: nowrap; flex: 0 0 auto;
}
.save-pill::before { content: '✓ '; }
.save-pill.ok { background: var(--ok); color: #fff; border-color: transparent; }
.save-pill.bad { background: var(--bad); color: #fff; border-color: transparent; }
.save-pill.bad::before { content: '! '; }
.save-pill.cheat { background: #fef3c7; color: #92400e; border-color: #fcd34d; }
.save-pill.cheat::before { content: '⚠ '; }
.exam-bar #antiCheatState {
  flex: 1 1 100%;
  min-width: 0;
  max-width: 100%;
  white-space: normal;
  overflow-wrap: anywhere;
  line-height: 1.35;
}
.swal2-container { z-index: 9999 !important; }

.exam-layout { display: grid; grid-template-columns: 1fr 268px; gap: 1.5rem; padding: 1.25rem; align-items: start; max-width: 1240px; margin: 0 auto; }
.q-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); }
.q-head { padding: .8rem 1rem; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: .7rem; background: #fbfcfe; }
.q-head .no { background: var(--grad); color: #fff; width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; font-weight: 700; font-size: .9rem; flex: 0 0 32px; }
.q-head .of { font-size: .82rem; color: var(--ink-2); flex: 1; }
/* target sentuh "Tandai ragu" diperbesar: seluruh pill jadi area klik */
.ragu-lbl {
  padding: .35rem .7rem; border: 1px solid var(--line); border-radius: 999px;
  background: #fff; min-height: 38px; flex: 0 0 auto;
}
.ragu-lbl:hover { border-color: #fcd34d; background: #fffbeb; }
.ragu-lbl:has(input:checked) { border-color: #fcd34d; background: var(--warn-bg); color: #78350f; }
.ragu-lbl input { accent-color: var(--warn); }
.q-body { padding: 1.1rem; }
.q-text { font-size: 1.02rem; margin-bottom: 1rem; max-width: 780px; }
.q-text img, .q-img { max-width: 100%; border-radius: 10px; margin-top: .6rem; }
.q-image-button { display: block; max-width: 100%; padding: 0; border: 0; background: transparent; cursor: zoom-in; text-align: left; }
.q-image-button .q-img { display: block; max-height: min(48vh, 420px); width: auto; height: auto; object-fit: contain; border: 1px solid var(--line); }
.image-lightbox[hidden] { display: none; }
.image-lightbox { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 1rem; background: rgba(2, 6, 23, .9); }
.image-lightbox img { max-width: 96vw; max-height: 88vh; object-fit: contain; border-radius: 12px; box-shadow: 0 12px 50px rgba(0,0,0,.45); }
.image-lightbox-close { position: fixed; top: .6rem; right: .8rem; width: 42px; height: 42px; border: 0; border-radius: 50%; background: rgba(255,255,255,.18); color: #fff; font-size: 2rem; line-height: 1; cursor: pointer; }
@media (max-width: 600px) {
  .q-image-button { width: 100%; }
  .q-image-button .q-img { width: 100%; max-height: 42vh; }
}

.opt {
  display: flex; gap: .75rem; align-items: flex-start;
  position: relative;
  padding: .7rem .85rem;
  border: 2px solid var(--line);
  border-radius: 11px;
  margin-bottom: .55rem;
  cursor: pointer;
  transition: border-color .12s, background .12s;
  font-weight: 400;
}
.opt:hover { border-color: #c7d2fe; background: #f8faff; }
/* radio disembunyikan secara VISUAL saja — display:none akan mengeluarkannya
   dari urutan tab sehingga ujian tidak bisa dikerjakan lewat keyboard. */
.opt input {
  position: absolute; opacity: 0; width: 1px; height: 1px; margin: 0;
  pointer-events: none;
}
.opt:has(input:focus-visible) { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(79, 70, 229, .2); }
.opt .k {
  width: 27px; height: 27px; flex: 0 0 27px;
  border-radius: 50%;
  border: 2px solid var(--line);
  display: grid; place-items: center;
  font-weight: 700; font-size: .8rem; color: var(--ink-2);
  background: #fff;
}
.opt.sel { border-color: var(--brand); background: #eef2ff; }
.opt.sel .k { background: var(--grad); color: #fff; border-color: transparent; }
.opt.benar { border-color: var(--ok); background: var(--ok-bg); }
.opt.benar .k { background: var(--ok); color: #fff; border-color: transparent; }
.opt.salah { border-color: var(--bad); background: var(--bad-bg); }
.opt.salah .k { background: var(--bad); color: #fff; border-color: transparent; }

.q-foot { padding: .8rem 1rem; border-top: 1px solid var(--line); display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.q-foot .sp { flex: 1; }

.side { background: #fff; border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); position: sticky; top: 68px; }
.side .h { padding: .7rem .85rem; border-bottom: 1px solid var(--line); font-weight: 650; font-size: .88rem; background: #fbfcfe; }
.nav-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: .35rem; padding: .7rem; }
.nav-grid button {
  aspect-ratio: 1; min-height: 40px;
  border: 1px solid var(--line); background: #fff;
  border-radius: 8px; font: inherit; font-size: .82rem; font-weight: 600;
  cursor: pointer; color: var(--ink-2); padding: 0;
  transition: transform .1s;
}
.nav-grid button:hover { transform: scale(1.08); }
.nav-grid button.done { background: var(--ok-bg); border-color: #6ee7b7; color: #065f46; }
.nav-grid button.done::after { content: '✓'; font-size: .6rem; display: block; line-height: .7; }
.nav-grid button.ragu { background: var(--warn-bg); border-color: #fcd34d; color: #92400e; }
.nav-grid button.ragu::after { content: '?'; font-size: .62rem; display: block; line-height: .7; }
.nav-grid button.now { outline: 2px solid var(--brand); outline-offset: 1px; }
.side .legend { padding: 0 .85rem .7rem; font-size: .78rem; color: var(--ink-2); display: grid; gap: .3rem; }
.side .legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: .45rem; vertical-align: -1px; border: 1px solid #94a3b8; }
.side .foot { padding: .8rem .85rem; border-top: 1px solid var(--line); }
.bar-wrap {
  height: 8px; border-radius: 999px; background: #cbd5e1;
  overflow: hidden; margin-bottom: .7rem; border: 1px solid #b6c2d2;
}
.bar { height: 100%; width: 0; background: var(--grad); transition: width .25s; }
/* ujian 40-50 soal: grid nomor jangan bikin halaman memanjang tanpa batas */
.nav-grid { max-height: 46vh; overflow-y: auto; }

/* ---------------------------------------------------------------- hasil ---- */
.score-hero { text-align: center; padding: 1.6rem 1rem; }
.score-hero .n { font-size: 3.4rem; font-weight: 700; letter-spacing: -.03em; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.score-pills { display: flex; gap: .6rem; justify-content: center; flex-wrap: wrap; margin-top: 1rem; }
.pill { padding: .45rem .9rem; border-radius: 999px; font-size: .84rem; font-weight: 600; background: #f1f5f9; color: var(--ink-2); }
.pill.ok { background: var(--ok-bg); color: #065f46; }
.pill.bad { background: var(--bad-bg); color: #991b1b; }

/* ---------------------------------------------- kartu login (cetak) ------- */
.cards-sheet { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.login-card {
  border: 1.5px dashed #94a3b8;
  border-radius: 12px;
  padding: 12px 14px;
  background: #fff;
  break-inside: avoid;
  page-break-inside: avoid;
  /* latar token & logo harus ikut tercetak, bukan hilang jadi putih */
  -webkit-print-color-adjust: exact;
  print-color-adjust: exact;
}
.login-card .lc-head { display: flex; align-items: center; gap: 8px; border-bottom: 1px solid var(--line); padding-bottom: 7px; margin-bottom: 8px; }
.login-card .lc-head .lg { width: 30px; height: 30px; border-radius: 8px; background: var(--grad); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .85rem; }
/* logo perisai di kartu cetak: tinggi tetap agar tiap kartu sama rata */
.login-card .lc-head .lg-img { height: 34px; width: auto; flex: 0 0 auto; }
.login-card .lc-head b { font-size: .76rem; line-height: 1.2; display: block; }
.login-card .lc-head span { font-size: .66rem; color: var(--ink-2); }
.login-card .row { display: flex; justify-content: space-between; font-size: .78rem; padding: 1px 0; gap: 10px; }
.login-card .row span { flex: 0 0 auto; }
.login-card .row b { font-weight: 600; text-align: right; word-break: break-word; }
.login-card .tok {
  margin-top: 8px; text-align: center; background: #f8fafc;
  border: 1px solid var(--line); border-radius: 9px; padding: 6px;
}
.login-card .tok span { font-size: .62rem; color: var(--ink-2); text-transform: uppercase; letter-spacing: .1em; display: block; }
.login-card .tok b { font-family: ui-monospace, Consolas, monospace; font-size: 1.28rem; letter-spacing: .16em; }
.login-card .cara { font-size: .64rem; color: var(--ink-2); text-align: center; margin-top: 6px; line-height: 1.35; }
.login-card .url { font-size: .74rem; font-weight: 600; text-align: center; margin-top: 3px; word-break: break-all; }

/* Kontrol form di ponsel: font-size WAJIB >= 16px, kalau kurang Safari iOS
   memperbesar layar sendiri saat field disentuh dan tata letak "melompat".
   Tinggi 46px sekaligus memenuhi pedoman target sentuh (>=44px). */
@media (max-width: 820px) {
  input[type=text], input[type=password], input[type=number], input[type=datetime-local],
  input[type=date], input[type=file], select, textarea {
    font-size: 16px;
    min-height: 46px;
  }
  .btn { min-height: 46px; }
  /* tombol kecil (aksi tabel, navigasi soal) tetap harus >=44px di layar sentuh */
  .btn-sm { min-height: 44px; }
  .ragu-lbl { min-height: 44px; }
}

/* ------------------------------------------- pilih kelas peserta (centang) --- */
.kelas-pick {
  border: 1px solid var(--line); border-radius: 10px;
  padding: .55rem .6rem; background: #fff;
}
.kelas-pick .kp-all { padding-bottom: .5rem; border-bottom: 1px solid var(--line); margin-bottom: .5rem; }
/* daftar kelas bisa panjang (satu sekolah puluhan kelas): batasi tinggi & scroll */
.kp-list {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: .3rem .7rem; max-height: 168px; overflow-y: auto;
}
.kp-item { padding: .2rem .1rem; font-weight: 500; }
/* saat "Semua kelas" aktif, centang per kelas diredupkan (bukan disabled:
   nilainya masih perlu terbaca saat admin melepas "Semua kelas") */
.kp-item.mati { opacity: .45; }
.kelas-pick.mode-semua .kp-list { pointer-events: none; }

/* --------------------------------------------------- analisis butir soal ---- */
/* Sebaran pilihan A-E: grid 5 kolom tetap, bukan flex-wrap. Alasannya, dengan
   flex-wrap chip selalu pecah 4+1 dan baris kedua tampak ompong; grid membuat
   huruf A-E berbaris lurus antar baris tabel. Angka rata kanan + tabular-nums
   supaya tetap sejajar saat jumlah pemilih jadi 2-3 digit. */
.sebaran { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .25rem; }
.sebaran .pilih {
  font-size: .72rem; padding: .2rem .35rem; border-radius: 7px;
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  white-space: nowrap; display: flex; gap: .2rem; align-items: baseline;
  min-width: 0;
}
.sebaran .pilih b { color: var(--ink); }
.sebaran .pilih i { font-style: normal; font-variant-numeric: tabular-nums; margin-left: auto; }
.sebaran .pilih.nol, .sebaran .pilih.nol b { color: #94a3b8; }
.sebaran .pilih.kunci { background: var(--ok-bg); border-color: #6ee7b7; color: #065f46; }
.sebaran .pilih.kunci b { color: #065f46; }

/* opsi ringkas di halaman detail jawaban: guru bisa mengaudit kunci tanpa
   membuka bank soal. Kunci = hijau, pilihan siswa = cincin ungu. */
.opsi-mini { display: flex; gap: .28rem; flex-wrap: wrap; margin: .35rem 0; }
.opsi-mini .o {
  font-size: .72rem; padding: .16rem .4rem; border-radius: 6px;
  border: 1px solid var(--line); background: #fff; color: var(--ink-2);
  max-width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.opsi-mini .o b { color: var(--ink); }
.opsi-mini .o.kunci { background: var(--ok-bg); border-color: #6ee7b7; color: #065f46; }
.opsi-mini .o.kunci b { color: #065f46; }
.opsi-mini .o.dipilih { outline: 2px solid var(--brand); outline-offset: 1px; }

/* ---------------------------------------------------------------- print ---- */
@media print {
  .no-print, .sidebar, .topbar, .stu-top { display: none !important; }
  body { background: #fff; font-size: 11px; }
  .content, .stu-wrap { padding: 0; }
  .cards-sheet { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .login-card { box-shadow: none; }
  .card { box-shadow: none; border-color: #cbd5e1; }
  table.tbl th { position: static; }
  @page { margin: 10mm; }
}

/* ---------------------------------------------------------------- mobile --- */
@media (max-width: 1024px) {
  .exam-layout { grid-template-columns: 1fr; }
  .side { position: static; }
  .nav-grid { grid-template-columns: repeat(10, 1fr); }
  .stats { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
}

@media (max-width: 820px) {
  .sidebar {
    position: fixed; inset: 0 auto 0 0; z-index: 70;
    transform: translateX(-100%);
    transition: transform .22s ease;
    box-shadow: 0 0 40px rgba(0, 0, 0, .4);
  }
  .sidebar.open { transform: none; }
  .hamb { display: block; }
  .sb-veil { position: fixed; inset: 0; background: rgba(15, 23, 42, .5); z-index: 65; display: none; }
  .sb-veil.on { display: block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .content { padding: .9rem; }
  .stu-wrap { padding: .9rem; }
  .exam-layout { padding: .9rem; gap: .9rem; }
  .cards-sheet { grid-template-columns: 1fr; }
  h1 { font-size: 1.25rem; }
  body { font-size: 14.5px; }
  .q-text { font-size: 1rem; }
  .topbar { padding: .6rem .9rem; gap: .6rem; }
  .topbar .who { min-width: 0; overflow: hidden; }
  .topbar .who b, .topbar .who span { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .topbar .who span { display: none; }        /* peran cukup ditampilkan di sidebar */
  table.tbl th, table.tbl td { padding: .5rem .55rem; }
  /* tabel data: biar melebar & di-scroll, jangan dipaksa muat 390px */
  table.tbl { min-width: 640px; }
  table.tbl td { white-space: nowrap; }
  /* tabel label→nilai (info ujian, hasil) tetap menyesuaikan lebar layar */
  table.tbl-kv { min-width: 0; }
  table.tbl-kv td, table.tbl-kv th { white-space: normal; }
  .table-wrap {
    background:
      linear-gradient(to left, rgba(15, 23, 42, .1), transparent) right / 16px 100% no-repeat;
  }
  /* Kolom aksi TIDAK dibuat sticky: lebarnya ~200px, di layar 390px ia menutupi
     kolom nama ujian sehingga barisnya tak bisa dibedakan. Lebih baik tabel
     digeser, dengan petunjuk eksplisit + bayangan di tepi kanan. */
  .table-wrap::before {
    content: 'Geser tabel ke kiri untuk kolom lain →';
    display: block; position: sticky; left: 0;
    font-size: .72rem; color: var(--ink-2);
    padding: .35rem .55rem 0; width: max-content;
  }
  /* paginasi: styling utamanya di blok ul.pagination di atas */
}

@media (max-width: 520px) {
  .nav-grid { grid-template-columns: repeat(5, 1fr); }
  .btn { padding: .6rem .85rem; min-height: 44px; }
  .btn-sm { min-height: 40px; }
  .q-foot .btn { flex: 1 1 auto; justify-content: center; }
  .modal { margin: 0 auto; }
  /* kartu ujian: badge + tombol jadi satu blok penuh, tidak menjorok */
  .exam-card .aksi { width: 100%; justify-items: stretch; text-align: left; }
  .exam-card .aksi .btn { width: 100%; justify-content: center; }
  .exam-meta { gap: .35rem .9rem; }
  /* tombol mulai/kembali: penuh & mudah disentuh */
  .btn-row-mulai .btn { flex: 1 1 auto; justify-content: center; }
  /* bilah ujian: 2 baris rapi — judul+timer, lalu status simpan + tombol */
  .exam-bar {
    display: grid; grid-template-columns: 1fr auto; gap: .45rem .6rem;
    padding: .55rem .8rem;
  }
  .exam-bar .nm { grid-column: 1; font-size: .86rem; }
  .exam-bar #timer { grid-column: 2; grid-row: 1; font-size: 1.1rem; align-self: center; }
  .exam-bar .save-pill { grid-column: 1; grid-row: 2; align-self: center; justify-self: start; }
  .exam-bar #antiCheatState { grid-column: 1 / -1; grid-row: 3; justify-self: stretch; text-align: center; }
  .exam-bar .btn { grid-column: 2; grid-row: 2; min-height: 38px; padding: .35rem .7rem; }
}

/* ============ Absen Selfie ============ */
.selfie-card { max-width: 560px; margin: 0 auto; }
.selfie-stage { position: relative; background: #0f172a; border-radius: 14px; overflow: hidden; aspect-ratio: 4/3; }
.selfie-stage video { width: 100%; height: 100%; object-fit: cover; display: block; transform: scaleX(-1); }
.selfie-hint { position: absolute; inset: 0; display: grid; place-items: center; color: #cbd5e1; font-size: .9rem; padding: 1rem; text-align: center; }
.selfie-preview { margin-top: .8rem; }
.selfie-preview img { width: 100%; max-width: 320px; border-radius: 12px; border: 1px solid var(--line); display: block; }
.selfie-alt { margin-top: 1rem; font-size: .88rem; color: var(--ink-2); }
.selfie-alt summary { cursor: pointer; }
.selfie-alt input[type=file] { margin-top: .5rem; }

.filter-row { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin: .8rem 0 1rem; }
.filter-row select, .filter-row input[type=date], .filter-row input[type=search] {
  min-height: 38px; padding: .35rem .6rem; border: 1px solid var(--line); border-radius: 9px;
  background: var(--card); color: var(--ink); font: inherit; font-size: .9rem;
}
.filter-row input[type=search] { flex: 1 1 160px; min-width: 140px; }

.selfie-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: .8rem; }
.selfie-cell { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.selfie-cell img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; background: #e2e8f0; }
.selfie-cell figcaption { padding: .5rem .6rem; display: grid; gap: .1rem; font-size: .78rem; color: var(--ink-2); }
.selfie-cell figcaption b { color: var(--ink); font-size: .84rem; }
.selfie-cell { position: relative; }
.selfie-del { position: absolute; top: .4rem; right: .4rem; margin: 0; }
.selfie-del .btn { padding: .15rem .45rem; opacity: .85; }

.pager { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: 1rem; }
.pager a { padding: .35rem .7rem; border: 1px solid var(--line); border-radius: 8px; background: var(--card); color: var(--ink-2); text-decoration: none; font-size: .88rem; }
.pager a.on { background: var(--brand); border-color: var(--brand); color: #fff; }

.lightbox[hidden] { display: none !important; }
.lightbox { position: fixed; inset: 0; background: rgba(2, 6, 23, .88); display: grid; place-items: center; z-index: 60; padding: 1rem; }
.lightbox figure { margin: 0; max-width: min(92vw, 900px); text-align: center; }
.lightbox img { max-width: 100%; max-height: 82vh; border-radius: 12px; }
.lightbox figcaption { color: #e2e8f0; font-size: .88rem; margin-top: .6rem; }
.lightbox .lb-x { position: absolute; top: .8rem; right: 1rem; background: transparent; border: 0; color: #fff; font-size: 2rem; line-height: 1; cursor: pointer; }

/* ---- pakta integritas (halaman mulai ujian) ---- */
.pacta {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: .9rem 1rem;
  margin: 1rem 0;
  background: var(--info-bg);
}
.pacta > b { display: block; margin-bottom: .5rem; color: #075985; }
.pacta .check { align-items: flex-start; font-weight: 400; color: var(--ink); line-height: 1.45; }
.pacta .check input { margin-top: .15rem; flex: none; }

/* ---- search bar di card-head ---- */
.search-in {
  flex: none;
  width: min(260px, 60%);
  padding: .4rem .65rem;
  font: inherit;
  font-size: .9rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 38px;
}
.search-in:focus { outline: 2px solid var(--brand); outline-offset: 1px; border-color: var(--brand); }
@media (max-width: 640px) { .search-in { width: 100%; } }

/* ---- rumus matematika (notasi natural: sqrt(), ^, _(), (a)/(b)) ---- */
.mtk-frac {
  display: inline-flex;
  flex-direction: column;
  vertical-align: middle;
  text-align: center;
  margin: 0 .15em;
  line-height: 1.1;
}
.mtk-frac .mtk-atas {
  padding: 0 .35em .08em;
  border-bottom: 1.5px solid currentColor;
}
.mtk-frac .mtk-bawah { padding: .08em .35em 0; }
/* akar: vektor garis atas via border, supaya offline tanpa font khusus */
.mtk-akar { position: relative; display: inline-block; margin-right: .08em; }
.mtk-akar::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -.18em;
  border-top: 1.5px solid currentColor;
}
.mtk-akar-isi { padding-left: .12em; }
sup, sub { font-size: .72em; line-height: 0; }

/* ---- preview rumus & tombol bantu di form soal ---- */
.rumus-bar { display: flex; flex-wrap: wrap; gap: .3rem; align-items: center; margin: .3rem 0; }
.rumus-bar .btn { font-size: .8rem; padding: .2rem .5rem; }
.rumus-preview {
  margin-top: .4rem;
  padding: .55rem .7rem;
  background: #f8fafc;
  border: 1px dashed var(--line);
  border-radius: 8px;
  font-size: .95rem;
  line-height: 1.5;
}
.rumus-preview:empty { display: none; }
.rumus-preview .muted { display: block; font-size: .72rem; margin-bottom: .15rem; }

/* ---- editor rich text soal: native, offline, kompatibel soal lama ---- */
.rich-toolbar {
  display: flex; flex-wrap: wrap; gap: .28rem; align-items: center;
  padding: .35rem; border: 1px solid var(--line); border-bottom: 0;
  border-radius: 9px 9px 0 0; background: #f8fafc;
}
.rich-toolbar .btn { min-height: 32px; padding: .2rem .52rem; font-size: .78rem; }
.rich-toolbar.compact .btn { padding-inline: .42rem; }
.rich-editor {
  min-height: 118px; max-height: 320px; overflow: auto;
  padding: .7rem .8rem; border: 1px solid var(--line); border-radius: 0 0 9px 9px;
  background: #fff; line-height: 1.55; outline: none; white-space: normal;
}
.rich-editor.compact { min-height: 82px; max-height: 220px; }
.rich-editor:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(79,70,229,.12); }
.rich-editor:empty::before { content: attr(data-placeholder); color: #94a3b8; pointer-events: none; }
.rich-editor p, .rich-editor div { margin: .15rem 0; }
.rich-editor table, .q-text table, .opt table, .card-body table {
  border-collapse: collapse; max-width: 100%; margin: .4rem 0;
}
.rich-editor td, .rich-editor th, .q-text td, .q-text th, .opt td, .opt th, .card-body td, .card-body th {
  border: 1px solid var(--line); padding: .28rem .42rem;
}
.rich-inline-image {
  display: inline-block; max-width: min(100%, 680px); max-height: 360px;
  width: auto; height: auto; object-fit: contain; vertical-align: middle;
  margin: .15rem .2rem; border-radius: 4px;
}
.rich-editor .rich-inline-image { max-height: 220px; }
.rich-status { min-height: 1.15rem; margin-top: .25rem; color: #047857; }
.rich-status.error { color: var(--bad); font-weight: 600; }
.rich-uploading { color: #1d4ed8; background: #dbeafe; border-radius: 4px; padding: .08rem .3rem; }
.rich-missing-image { display: inline-block; color: #991b1b; background: var(--bad-bg); border: 1px solid #fca5a5; border-radius: 5px; padding: .15rem .35rem; }
.dari-format-lama .rich-status { color: #92400e; }
.q-text p, .q-text div, .opt p, .opt div, .card-body p, .card-body div { margin-top: .2rem; margin-bottom: .2rem; }
@media (max-width: 820px) {
  .rich-editor { font-size: 16px; min-height: 110px; }
  .rich-toolbar .btn { min-height: 40px; }
}