:root{
  --bg:#0F1222;
  --card:#1B1F39;
  --muted:#9da3b0;
  --accent:#37d67a;
  --bad:#ff5c7a;
  --good:#48e39f;
  --white:#ffffff;
  --btn:#2b3158;
  --btnText:#fff;
  --shadow:0 12px 30px rgba(0,0,0,.25);
  /* board colors pulled from earlier scheme */
  --b1:#4da6ff; /* Etikk & Service */
  --b2:#ff6fa3; /* Hygiene */
  --b3:#6bdab6; /* Smittevern / evt kap 3 */
  --b4:#ffd166; /* Maskiner */
  --b5:#b08cff; /* Materialer */
  --b6:#60c7fa;
  --b7:#ffa24a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:#e9edf5;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;position:sticky;top:0;background:linear-gradient(180deg,#0f1222 0,#121536 100%);z-index:20;border-bottom:1px solid #222747}
.topbar h1{margin:0;font-size:28px;letter-spacing:.4px}
.container{max-width:1100px;margin:0 auto;padding:24px}
.hero img{width:220px;height:auto;display:block;filter: drop-shadow(0 10px 30px rgba(0,0,0,.35));}
.panel{background:var(--card);border-radius:16px;padding:22px 22px;box-shadow:var(--shadow);}
.subtitle{margin-top:0;color:#c7ccda}
.boards{display:flex;flex-wrap:wrap;gap:12px;margin:16px 0 8px}
.btn{background:var(--btn);color:var(--btnText);border:none;border-radius:12px;padding:12px 18px;font-weight:600;cursor:pointer;box-shadow:var(--shadow);transition:transform .06s ease,opacity .2s}
.btn:hover{transform:translateY(-1px);opacity:.95}
.btn.ghost{background:#25305b}
.btn.small{padding:8px 12px;border-radius:10px}
.board-btn{min-width:220px}
.board-1{background:var(--b1)} .board-2{background:var(--b2)} .board-3{background:var(--b3)}
.board-4{background:var(--b4)} .board-5{background:var(--b5)} .board-6{background:var(--b6)} .board-7{background:var(--b7)}
.hidden{display:none}
.quiz .question{margin:8px 0 14px;font-size:26px;line-height:1.25}
.options{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.option{background:#21264a;border:1px solid #2f3668;border-radius:12px;padding:14px 16px;cursor:pointer;box-shadow:var(--shadow);transition:background .15s,border-color .15s,transform .05s ease}
/* CRITICAL VISIBILITY FIX: WHITE TEXT ON OPTIONS */
.option span{color:#fff; font-weight:600;}
.option:hover{transform:translateY(-1px)}
.option.correct{border-color:rgba(72,227,159,.9);background:#1e3a2f}
.option.wrong{border-color:rgba(255,92,122,.9);background:#3a1f2a}
.muted{color:var(--muted);font-size:14px}
.quiz-title{display:flex;gap:14px;align-items:baseline}
.bottom-bar{display:flex;align-items:center;justify-content:space-between;margin-top:12px;gap:12px}
.timer-wrap{display:flex;align-items:center;gap:10px}
.timer{width:360px;max-width:50vw;height:10px;background:#2a315e;border-radius:999px;overflow:hidden;box-shadow:inset 0 0 0 1px #1f2549}
#timer-bar{height:100%;width:0;background:var(--accent);transition:width .2s}
.quiz-header{display:flex;justify-content:space-between;align-items:center}
.dialog::backdrop{background:rgba(0,0,0,.5)}
#history-modal{border:none;border-radius:14px;padding:18px 18px 12px;background:#141833;color:#dfe6ff;min-width:520px}
.history{max-height:50vh;overflow:auto;padding:6px 0}
.history table{width:100%;border-collapse:collapse}
.history th,.history td{border-bottom:1px solid #273062;padding:8px;text-align:left}
.history th{color:#aab2d5}
.tag{font-size:12px;padding:3px 8px;border-radius:999px;background:#25305b;color:#cfe3ff}
@media (max-width:900px){
  .container{padding:10px}
  .hero img{width:140px}
  .board-btn{min-width:unset}
}