:root {
  --brown: #5b3a1e;
  --brown-dark: #3f2712;
  --cream: #fbf3e6;
  --red: #b5322b;
  --green: #2f7a3d;
  --yellow: #d99a1b;
  --gray: #6b6459;
  --card: #ffffff;
  --radius: 14px;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #efe3cc 0%, #f7efdf 40%, #efe3cc 100%);
  color: #2b2419;
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

header.app-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 16px;
  background: var(--brown-dark);
  color: #fff;
}
header.app-header img.logo { height: 46px; width: 46px; }
header.app-header .title small { display: block; font-weight: 400; opacity: .85; font-size: 12.5px; }
header.app-header .title strong { font-size: 17px; letter-spacing: .3px; }

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 4px 18px rgba(59, 38, 15, .12);
  padding: 24px;
  margin-top: 20px;
}

h1.page-title {
  font-size: 22px;
  color: var(--brown-dark);
  margin: 0 0 4px;
}
p.subtitle { color: var(--gray); margin: 0 0 20px; font-size: 14.5px; }

label {
  display: block;
  font-weight: 600;
  font-size: 13.5px;
  color: var(--brown-dark);
  margin: 14px 0 6px;
}
input[type="text"], input[type="password"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1.5px solid #ddd0b8;
  font-size: 15px;
  background: #fffdf8;
  outline: none;
  transition: border-color .15s;
}
input[type="text"]:focus, input[type="password"]:focus { border-color: var(--brown); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 10px;
  padding: 13px 22px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .08s, filter .15s;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--brown); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-outline { background: transparent; color: var(--brown); border: 1.5px solid var(--brown); }
.btn-block { width: 100%; margin-top: 22px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.error-msg { color: var(--red); font-size: 13.5px; margin-top: 10px; min-height: 18px; }

/* ---- Exam screen ---- */
.exam-top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--brown-dark);
  color: #fff;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.exam-top .team-info { font-size: 13px; opacity: .9; }
.exam-top .team-info strong { display: block; font-size: 15px; }
.timer-box {
  background: rgba(255,255,255,.12);
  border-radius: 10px;
  padding: 8px 16px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  font-variant-numeric: tabular-nums;
}
.timer-box.low { background: var(--red); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:.65;} }

.progress-bar-track {
  height: 8px;
  background: #e3d7bd;
}
.progress-bar-fill {
  height: 100%;
  background: var(--brown);
  transition: width .2s;
}

.q-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.q-number-badge {
  background: var(--brown);
  color: #fff;
  font-weight: 700;
  border-radius: 8px;
  padding: 5px 12px;
  font-size: 13.5px;
}
.q-flag-badge {
  font-size: 12px;
  color: var(--yellow);
  font-weight: 700;
}
.q-text {
  font-size: 16px;
  line-height: 1.65;
  white-space: pre-line;
  margin-bottom: 18px;
}

.option-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1.5px solid #e4d8bd;
  border-radius: 12px;
  padding: 13px 15px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: border-color .12s, background .12s;
  font-size: 15px;
  line-height: 1.5;
}
.option-item:hover { border-color: var(--brown); background: #fbf6ec; }
.option-item.selected { border-color: var(--brown); background: #f2e6cd; }
.option-letter {
  flex: 0 0 28px;
  height: 28px;
  border-radius: 50%;
  background: #e9ddc2;
  color: var(--brown-dark);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13.5px;
}
.option-item.selected .option-letter { background: var(--brown); color: #fff; }

.nav-buttons {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 20px;
}

.nav-grid-toggle {
  text-align: center;
  margin-top: 16px;
}
.nav-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 6px;
  margin-top: 14px;
}
.nav-grid button {
  aspect-ratio: 1;
  border: 1.5px solid #ddd0b8;
  border-radius: 6px;
  background: #fffdf8;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  color: var(--brown-dark);
}
.nav-grid button.current { border-color: var(--brown); box-shadow: 0 0 0 2px var(--brown) inset; }
.nav-grid button.answered { background: #e4f2e5; border-color: var(--green); color: var(--green); }

.finish-bar {
  margin-top: 22px;
  text-align: center;
}
.answered-count { font-size: 13.5px; color: var(--gray); margin-bottom: 10px; }

/* ---- Result screen ---- */
.score-hero {
  text-align: center;
  padding: 10px 0 4px;
}
.score-num {
  font-size: 56px;
  font-weight: 900;
  color: var(--brown-dark);
  line-height: 1;
}
.score-sub { color: var(--gray); margin-top: 6px; font-size: 14.5px; }
.result-team {
  display: flex;
  justify-content: center;
  gap: 22px;
  flex-wrap: wrap;
  margin: 18px 0 4px;
  font-size: 13.5px;
  color: var(--brown-dark);
}
.result-team b { display: block; font-size: 15px; }

.review-item {
  border-top: 1px solid #eee1c5;
  padding: 16px 0;
}
.review-item:first-child { border-top: none; }
.review-q { font-size: 15px; line-height: 1.6; white-space: pre-line; margin-bottom: 10px; }
.review-opt {
  padding: 9px 13px;
  border-radius: 9px;
  font-size: 14px;
  margin-bottom: 6px;
  border: 1.5px solid #e4d8bd;
}
.review-opt.correct { background: #e4f2e5; border-color: var(--green); color: #1f5a2a; font-weight: 700; }
.review-opt.wrong-picked { background: #fbe6e4; border-color: var(--red); color: #8a231d; font-weight: 700; }
.review-tag { float: right; font-size: 12px; font-weight: 800; }
.badge-benar { color: var(--green); }
.badge-salah { color: var(--red); }
.badge-kosong { color: var(--gray); }

.hint-box {
  background: #fff7e6;
  border: 1px solid #f0d999;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  color: #7a5b12;
  margin-top: 16px;
}

table.lb-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.lb-table th, table.lb-table td { padding: 10px 8px; border-bottom: 1px solid #eee1c5; text-align: left; }
table.lb-table th { color: var(--brown-dark); font-size: 12.5px; text-transform: uppercase; letter-spacing: .4px; }
table.lb-table tr:first-child td { font-weight: 800; }
.rank-1 { color: #b5860b; }
.rank-2 { color: #7a7a7a; }
.rank-3 { color: #a0602c; }

.small-muted { color: var(--gray); font-size: 12.5px; }

@media (max-width: 520px) {
  .score-num { font-size: 42px; }
  .nav-grid { grid-template-columns: repeat(8, 1fr); }
}