:root{
  /*
    Light theme (white + blue) as requested:
    - app background light
    - primary accent blue
    - text black
  */
  --bg:#f5f8ff;
  --card:#ffffff;
  --muted:#475569;
  --text:#0f172a;
  --accent:#2563eb;
  --danger:#e11d48;
  --success:#16a34a;
  --warning:#f59e0b;
  --border: rgba(2,6,23,0.12);
  --shadow: 0 10px 30px rgba(2,6,23,.10);
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Noto Sans", sans-serif;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: var(--sans);
  background:
    radial-gradient(1100px 600px at 10% 0%, rgba(37,99,235,.12), transparent 40%),
    radial-gradient(900px 500px at 90% 10%, rgba(37,99,235,.08), transparent 45%),
    var(--bg);
  color: var(--text);
}

a{color: var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
hr{border:0; border-top:1px solid var(--border); margin:16px 0}

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

.topbar{
  position:sticky; top:0; z-index:10;
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,.80);
  border-bottom: 1px solid var(--border);
}
.topbar-inner{display:flex; align-items:center; justify-content:space-between; gap:12px}
.brand{display:flex; align-items:center; gap:10px}
.brand a{font-weight:800; letter-spacing:.3px; color:var(--text)}
.badge{
  font-size:12px; padding:2px 8px; border-radius:999px;
  background: rgba(37,99,235,.10);
  border:1px solid rgba(37,99,235,.25);
  color: var(--accent);
}
.nav{display:flex; gap:10px; flex-wrap:wrap; align-items:center}
.nav a{padding:6px 10px; border-radius:10px}
.nav a:hover{background: rgba(37,99,235,.06); text-decoration:none}
.nav-right{margin-left:10px; display:flex; gap:10px; align-items:center}

.footer{padding:18px 0; border-top:1px solid var(--border); margin-top:30px}
.muted{color: var(--muted)}
.small{font-size:12px}

.card{
  background: var(--card);
  border:1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding:16px;
  margin:14px 0;
}
.card.narrow{max-width:520px; margin:20px auto}

h1{font-size:26px; margin:6px 0 14px}
h2{font-size:18px; margin:0 0 10px}
label{display:block; font-size:12px; color: var(--muted); margin:8px 0 6px}

.input{
  width:100%;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background: #fff;
  color: var(--text);
  outline:none;
}
.input:focus{border-color: rgba(37,99,235,.55); box-shadow: 0 0 0 3px rgba(37,99,235,.12)}
.input-sm{padding:6px 8px; border-radius:10px; font-size:12px}
select.input{appearance:none}
button{font-family:inherit}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px;
  padding:10px 12px;
  border-radius: 12px;
  border:1px solid var(--border);
  background: rgba(37,99,235,.06);
  color: var(--text);
  cursor:pointer;
}
.btn:hover{background: rgba(37,99,235,.10)}
.btn-sm{padding:6px 10px; border-radius:10px; font-size:12px}
.btn-primary{
  background: rgba(37,99,235,1);
  border-color: rgba(37,99,235,1);
  color: #ffffff;
  font-weight:700;
}
.btn-primary:hover{filter: brightness(0.95)}
.btn-outline{background:transparent}
.btn-danger{
  background: rgba(225,29,72,.10);
  border-color: rgba(225,29,72,.25);
  color: #9f1239;
}

.alert{
  padding:12px 14px;
  border-radius: 14px;
  border:1px solid var(--border);
  margin: 14px 0;
}
.alert-danger{background: rgba(255,79,112,.12); border-color: rgba(255,79,112,.35)}
.alert-success{background: rgba(22,163,74,.10); border-color: rgba(22,163,74,.22)}
.alert-warning{background: rgba(251,191,36,.12); border-color: rgba(251,191,36,.28)}

.grid{display:grid}
.gap{gap:12px}
.wrap{flex-wrap:wrap}
.row{display:flex; align-items:center}
.row.gap{gap:12px}
.row.space-between{justify-content:space-between}
.align-end{align-self:end}
.mt{margin-top:14px}

.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.cols-5{grid-template-columns:repeat(5,minmax(0,1fr))}
.cols-6{grid-template-columns:repeat(6,minmax(0,1fr))}
@media (max-width: 900px){
  .cols-6,.cols-5,.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 560px){
  .cols-6,.cols-5,.cols-4,.cols-3,.cols-2{grid-template-columns:1fr}
  .topbar-inner{flex-direction:column; align-items:flex-start}
}

.stat{
  background: rgba(37,99,235,.04);
  border:1px solid var(--border);
  border-radius: 16px;
  padding:14px;
}
.stat-num{font-size:26px; font-weight:800}
.stat-label{color:var(--muted); font-size:12px}

.table-wrap{overflow:auto}

/* Multi target checkboxes (kelas/jurusan) */
.checkgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:8px}
.chk{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid rgba(15,23,42,.12);border-radius:12px;background:#fff}
.chk input{width:16px;height:16px}
.chk span{font-size:14px}
@media (max-width: 900px){
  .checkgrid{grid-template-columns:repeat(1,minmax(0,1fr))}
}
.table{
  width:100%;
  border-collapse: collapse;
  min-width: 780px;
}
.table th, .table td{
  border-bottom: 1px solid var(--border);
  padding:10px 10px;
  vertical-align: top;
  font-size:14px;
}
.table th{color: var(--muted); text-align:left; font-size:12px; font-weight:600}
.inline{display:inline}
.list{margin:10px 0 0; padding-left:18px}
.pill{
  display:inline-flex; align-items:center;
  padding:3px 10px; border-radius:999px;
  background: rgba(37,99,235,.06);
  border:1px solid var(--border);
  font-size:12px;
}

.switch{display:inline-flex; align-items:center; gap:8px; color:var(--muted); font-size:12px}
.switch input{transform: translateY(1px)}

/* Question preview */
.qbox{border:1px solid var(--border); border-radius: 14px; padding:12px; margin:12px 0; background: rgba(37,99,235,.03)}
.qno{font-family: var(--mono); color: var(--muted); font-size:12px; margin-bottom:8px}
.qcontent img, .opts img{max-width:100%; height:auto}
.opts{display:grid; gap:8px; margin-top:10px}

/* Token display */
.token-box{text-align:center}
.token{font-size:52px; font-weight:900; letter-spacing:6px; font-family: var(--mono); margin:10px 0}

/* Exam UI */
.exam-shell{
  position:fixed;
  inset:0;
  background: var(--bg);
  color: var(--text);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  --examTopH: 66px;
  z-index: 10000; /* ensure covers layout/topbar */
}

.noselect{
  -webkit-touch-callout:none;
  -webkit-user-select:none;
  user-select:none;
}

.exam-gate{
  position:absolute;
  inset:0;
  z-index:50;
  display:grid;
  place-items:center;
  padding:16px;
  background: rgba(2,6,23,.45);
  backdrop-filter: blur(6px);
}
.gate-card{
  width:min(520px, 92vw);
  background: rgba(255,255,255,.96);
  border:1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding:18px;
}
.gate-title{font-size:18px; font-weight:900; margin-bottom:8px}
.exam-top{
  display:flex; gap:12px; align-items:center; justify-content:space-between;
  padding:12px 16px;
  border-bottom:1px solid var(--border);
  background: rgba(255,255,255,.92);
}
.exam-title{min-width: 220px}
.exam-timer{text-align:center}
.timer{font-family: var(--mono); font-size:20px; font-weight:800}
.exam-actions{display:flex; gap:10px; align-items:center}
/* Nav toggle button is only needed on small screens */
#btnToggleNav{display:none}

.exam-body{
  display:grid;
  grid-template-columns: 240px 1fr;
  flex: 1 1 auto;
  height: auto;
  min-height: 0;
}
.exam-nav{
  border-right:1px solid var(--border);
  padding:12px;
  overflow:auto;
}
.exam-nav .exam-nav-close{display:none}
.exam-nav-backdrop{display:none}
.qnav{display:flex; flex-wrap:wrap; gap:8px; margin-top:8px}
.qnav-btn{
  width:44px; height:44px;
  border-radius: 12px;
  border:1px solid var(--border);
  background: rgba(255,255,255,1);
  color: var(--text);
  cursor:pointer;
}
.qnav-btn.answered{
  border-color: rgba(22,163,74,.35);
  background: rgba(22,163,74,.10);
  font-weight: 700;
}
.qnav-btn.active{border-color: rgba(37,99,235,.55); box-shadow: 0 0 0 3px rgba(37,99,235,.12)}

.exam-content{
  padding:12px;
  overflow:auto;
}
.qtext{margin:10px 0 14px; line-height:1.55}
.opt{
  display:flex; gap:12px; padding:10px 12px;
  border:1px solid var(--border);
  border-radius: 14px;
  background: #ffffff;
  cursor:pointer;
}
.opt input{margin-top:3px}
.opt:hover{background: rgba(37,99,235,.04)}
.opt-content{flex:1}
.opt-content code{font-family: var(--mono); background: rgba(2,6,23,.06); padding:2px 6px; border-radius:8px}
@media (max-width: 900px){
  .exam-body{grid-template-columns: 1fr}

  /* Mobile: make the question navigator an off-canvas drawer (toggleable) */
  .exam-nav{
    position: fixed;
    top: var(--examTopH, 66px);
    left: 0;
    bottom: 0;
    width: min(280px, 88vw);
    background: rgba(255,255,255,.98);
    border-right: 1px solid var(--border);
    box-shadow: var(--shadow);
    z-index: 45;
    transform: translateX(-110%);
    transition: transform .18s ease;
  }
  .exam-nav.open{transform: translateX(0)}
  .exam-nav .exam-nav-close{display:inline-flex}

  .exam-nav-backdrop.show{
    display:block;
    position: fixed;
    top: var(--examTopH, 66px);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(2,6,23,.24);
    z-index: 44;
  }

  .exam-actions{flex-wrap:wrap; justify-content:flex-end}
  #btnToggleNav{display:inline-flex}
}

/* Exam cards print */
.cards-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap:14px;
}
.exam-card{
  background:#fff;
  color:#111;
  border:1px solid #ddd;
  border-radius: 10px;
  padding:12px;
}
.exam-card-head{display:flex; justify-content:space-between; gap:12px; border-bottom:1px solid #eee; padding-bottom:8px}
.school-name{font-weight:900; letter-spacing:.4px}
.school-sub{font-size:12px; color:#333}
.logo-box{width:70px; height:70px; border:1px dashed #bbb; display:flex; align-items:center; justify-content:center; font-size:12px; color:#666}
.card-table{width:100%; border-collapse:collapse; margin-top:10px}
.card-table td{padding:4px 0; font-size:13px}
.exam-card-foot{display:flex; justify-content:space-between; margin-top:10px}
.sign{width:48%}
.sign-box{height:42px; border:1px solid #ddd; border-radius:8px; margin-top:6px}

.print-hide{display:block}
.print-no-card{box-shadow:none}
@media print{
  body{background:#fff; color:#000}
  .topbar,.footer,.print-hide{display:none !important}
  .container{max-width:none; padding:0}
  .card{box-shadow:none; border:0; background:transparent; color:#000}
  .table{min-width: auto}
  .cards-grid{grid-template-columns: repeat(2, 1fr)}
  .exam-card{page-break-inside:avoid}
}

/* text align helpers */
.text-center{text-align:center}
.text-right{text-align:right}


/* ===== MOBILE FIX: bottom bar + nav grid (HP) ===== */
:root { --safe-bottom: env(safe-area-inset-bottom, 0px); }

@media (max-width: 900px){
  /* kasih ruang buat bottom bar */
  .exam-shell{ padding-bottom: calc(86px + var(--safe-bottom)); }

  /* di HP tombol header bikin sempit/wrap, jadi kita sembunyikan */
  .exam-actions{ display:none !important; }

  /* nav nomor dibuat grid supaya tidak "hilang" */
  .qnav{
    display:grid !important;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap:10px;
  }
  .qnav-btn{
    width:auto !important;
    height:44px !important;
    border-radius:12px !important;
    font-weight:800;
  }

  /* bottom bar selalu terlihat */
  .exam-bottombar{
    position: fixed;
    left:0; right:0;
    bottom:0;
    z-index: 80;
    background:#fff;
    border-top:1px solid var(--border);
    padding:10px 12px;
    padding-bottom: calc(10px + var(--safe-bottom));
    display:flex;
    gap:10px;
    align-items:center;
  }
  .exam-bottombar .btn{
    height:44px;
    border-radius:14px;
    padding:0 14px;
    font-weight:800;
    white-space:nowrap;
  }
  .exam-save-indicator{
    flex:1;
    font-size:13px;
    color: var(--text);
    line-height:1.15;
  }
  .exam-save-indicator .ok{ color: var(--success); font-weight:800; }
  .exam-save-indicator .bad{ color: var(--danger); font-weight:800; }
}

@media (max-width: 420px){
  .qnav{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}