/* ═══════════════════════════════════════════════════════
   DailyBingQuiz.com — FROST THEME
   Ultra-clean, modern, professional
   Blue accent • White background • Sharp shadows
   ═══════════════════════════════════════════════════════ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
::selection{background:#0066FF;color:#fff}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans','Segoe UI',system-ui,sans-serif;background:#EFF3F8;color:#0F172A;-webkit-font-smoothing:antialiased}

:root{
  --blue:#0066FF;
  --pink:#FF3366;
  --dark:#0F172A;
  --text:#1E293B;
  --muted:#64748B;
  --light:#F8FAFC;
  --border:#E2E8F0;
  --card:#FFFFFF;
  --shadow:0 1px 3px rgba(15,23,42,0.06),0 4px 12px rgba(15,23,42,0.04);
  --shadow-lg:0 4px 24px rgba(0,102,255,0.08),0 8px 32px rgba(15,23,42,0.06);
}

.font-display{font-family:'Plus Jakarta Sans',system-ui,sans-serif}
.font-mono{font-family:'JetBrains Mono','Fira Code','DM Mono',monospace}

/* ═══ WRAPPER ═══ */
.wrap{max-width:960px;margin:0 auto;background:var(--card);min-height:100vh;box-shadow:var(--shadow-lg);border-left:1px solid var(--border);border-right:1px solid var(--border)}

/* ═══ TICKER ═══ */
@keyframes ticker{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.ticker{background:var(--blue);color:#fff;padding:8px 0;overflow:hidden}
.ticker-inner{display:flex;gap:50px;white-space:nowrap;font-size:12px;font-weight:600;letter-spacing:.3px;animation:ticker 25s linear infinite}

/* ═══ ANIMATIONS ═══ */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.fade-up{animation:fadeUp .5s cubic-bezier(.22,.68,0,1) forwards}
@keyframes timerPulse{0%,100%{box-shadow:0 0 0 0 rgba(255,51,102,.3)}50%{box-shadow:0 0 0 8px rgba(255,51,102,0)}}
@keyframes shimmer{0%{background-position:-200% center}100%{background-position:200% center}}

/* ═══ NAVIGATION ═══ */
.nav-link{
  padding:12px 20px;border:none;background:transparent;font-size:13px;
  font-weight:600;color:var(--muted);cursor:pointer;letter-spacing:.3px;
  font-family:inherit;border-bottom:2.5px solid transparent;
  text-decoration:none;transition:all .2s;
}
.nav-link:hover,.nav-link.active{color:var(--blue);border-bottom-color:var(--blue)}

/* ═══ QUIZ CARDS ═══ */
a.quiz-card{
  display:flex;align-items:center;gap:16px;padding:18px 28px;
  border-bottom:1px solid var(--border);cursor:pointer;
  transition:all .25s cubic-bezier(.22,.68,0,1);
  text-decoration:none;color:inherit;
}
a.quiz-card:hover{background:var(--light);transform:translateX(6px);border-left:3px solid var(--blue);padding-left:25px}

/* ═══ QUIZ OPTIONS ═══ */
.quiz-opt{
  display:flex;align-items:center;gap:14px;padding:18px 22px;
  background:var(--card);border:2px solid var(--border);border-radius:12px;
  cursor:pointer;font-size:15px;font-weight:500;width:100%;
  text-align:left;transition:all .2s cubic-bezier(.22,.68,0,1);
  font-family:inherit;color:var(--text);
}
.quiz-opt:hover:not(:disabled){border-color:var(--blue);background:#F0F7FF;transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,102,255,0.1)}
.quiz-opt:disabled{cursor:default}
.quiz-opt.correct{background:#ECFDF5;border-color:#10B981;color:#065F46}
.quiz-opt.wrong{background:#FEF2F2;border-color:#EF4444;color:#991B1B}

.indicator{
  width:34px;height:34px;border-radius:10px;display:flex;
  align-items:center;justify-content:center;font-size:13px;
  font-weight:800;flex-shrink:0;background:var(--light);
  color:var(--muted);border:1.5px solid var(--border);
  font-family:'JetBrains Mono',monospace;transition:all .2s;
}
.indicator.correct{background:#10B981;color:#fff;border-color:#10B981}
.indicator.wrong{background:#EF4444;color:#fff;border-color:#EF4444}

/* ═══ BUTTONS ═══ */
.btn{
  width:100%;padding:16px 24px;border:none;border-radius:12px;
  font-size:15px;font-weight:700;cursor:pointer;letter-spacing:.3px;
  font-family:inherit;color:#fff;transition:all .2s;
  box-shadow:0 4px 12px rgba(0,102,255,0.25);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,102,255,0.35)}
.btn-outline{background:var(--card);color:var(--dark);border:2px solid var(--border);box-shadow:none}
.btn-outline:hover{border-color:var(--blue);background:var(--light);box-shadow:none;transform:translateY(-2px)}

/* ═══ FACT BOX ═══ */
.fact-box{
  margin-top:20px;padding:18px 22px;
  background:linear-gradient(135deg,#FFFBEB,#FEF3C7);
  border:1px solid #FDE68A;border-radius:12px;
  border-left:4px solid #F59E0B;
}

/* ═══ AD SLOT ═══ */
.ad-slot{
  min-height:110px;display:flex;align-items:center;justify-content:center;
  background:var(--light);border:2px dashed var(--border);margin:24px 28px;
  font-size:11px;color:var(--muted);border-radius:12px;font-family:inherit;
}

/* ═══ PROGRESS ═══ */
.progress-bg{height:5px;background:var(--border);border-radius:4px;overflow:hidden}
.progress-fill{height:100%;border-radius:4px;transition:width .4s cubic-bezier(.22,.68,0,1);background:linear-gradient(90deg,var(--blue),#3B82F6)}

/* ═══ TIMER ═══ */
.timer{
  width:44px;height:44px;border-radius:12px;display:flex;
  align-items:center;justify-content:center;font-size:17px;
  font-weight:800;font-family:'JetBrains Mono',monospace;
}
.timer.safe{background:#ECFDF5;color:#059669;border:2px solid #A7F3D0}
.timer.danger{background:#FEF2F2;color:#DC2626;border:2px solid #FECACA;animation:timerPulse 1s ease infinite}

/* ═══ STATIC PAGES ═══ */
.static-box{
  background:var(--card);border:1px solid var(--border);border-radius:16px;
  padding:36px 32px;font-size:15px;line-height:1.85;color:#475569;
  box-shadow:var(--shadow);
}
.static-box h2{font-size:18px;font-weight:800;color:var(--dark);margin:24px 0 8px}

/* ═══ ARTICLES ═══ */
.article-body{font-size:16px;color:#475569;line-height:1.9;padding:0 4px}
.article-body p{margin-bottom:18px}
.article-body h3{
  font-size:20px;font-weight:800;margin:32px 0 12px;
  color:var(--dark);font-family:'Plus Jakarta Sans',sans-serif;
  display:flex;align-items:center;gap:8px;
}
.article-body h3::before{
  content:'';width:4px;height:24px;background:var(--blue);
  border-radius:2px;flex-shrink:0;
}

/* ═══ FAQ ═══ */
details{padding:14px 0;border-bottom:1px solid var(--border)}
details summary{
  font-size:15px;font-weight:700;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  list-style:none;padding:4px 0;color:var(--dark);
}
details summary::-webkit-details-marker{display:none}
details summary span{
  width:24px;height:24px;border-radius:6px;background:var(--light);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--blue);border:1px solid var(--border);
  transition:all .2s;flex-shrink:0;
}
details[open] summary span{background:var(--blue);color:#fff;transform:rotate(45deg)}
details p{font-size:14px;color:var(--muted);margin-top:10px;line-height:1.75;padding-left:4px}

/* ═══ HERO IMAGE ═══ */
.hero-img{width:100%;border-radius:16px;margin-bottom:16px;max-height:400px;object-fit:cover;box-shadow:var(--shadow)}

/* ═══ FOOTER ═══ */
.footer-link{
  font-size:13px;color:var(--blue);text-decoration:none;
  font-family:inherit;font-weight:600;
}
.footer-link:hover{text-decoration:underline}

/* ═══ DESKTOP (960px) ═══ */
@media(min-width:1200px){
  .wrap{max-width:1000px;box-shadow:0 0 80px rgba(0,0,0,.08)}
}

/* ═══ MOBILE ═══ */
@media(max-width:767px){
  .wrap{max-width:100%;box-shadow:none;border:none}
  .quiz-opt{padding:14px 16px;font-size:14px;border-radius:10px}
  .btn{padding:14px;font-size:14px}
  .article-body{font-size:14px;padding:0}
  .article-body h3{font-size:17px;margin:24px 0 8px}
  .nav-link{padding:10px 14px;font-size:11px}
  .ad-slot{margin:16px;min-height:90px}
  .static-box{padding:20px 16px;font-size:14px;border-radius:12px}
  a.quiz-card{padding:14px 16px}
  a.quiz-card:hover{padding-left:16px;border-left:none}
  .indicator{width:30px;height:30px;border-radius:8px;font-size:12px}
  .hero-img{border-radius:10px}
  .fact-box{padding:14px 16px;border-radius:10px}
}

/* ═══ PRINT ═══ */
@media print{.ticker,.ad-slot,.btn,nav,footer{display:none}.wrap{max-width:100%;box-shadow:none}}