/* Reset */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html, body {
  height: 100%;
}
body {
  font-family: sans-serif;
  background: #fefefe;
  color: #333;
  display: flex;
  flex-direction: column;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.site-header {
  background: #fff;
  border-bottom: 1px solid #ddd;
  padding: 1rem 0;
}
.brand {
  font-size: 1.8rem;
  font-weight: bold;
  color: #007BFF;
  text-decoration: none;
}
.main-nav {
  margin-top: 0.5rem;
}

/* ✅ Navigation menu — bullets removed */
.menu {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-left: 0;
}
.menu,
.menu ul,
.menu li,
.sub,
.sub li {
  list-style: none;
  padding-left: 0;
  margin-left: 0;
}
.menu > li {
  position: relative;
}
.menu > li > a {
  display: block;
  padding: 0.75rem 1rem;
  color: #333;
  text-decoration: none;
  font-weight: 500;
  border-radius: 4px;
  transition: background 0.2s ease, color 0.2s ease;
}
.menu > li > a:hover {
  background: #007BFF;
  color: #fff;
}

/* ✅ Active tab highlighting */
.menu > li > a.active,
.menu > li.active > a {
  background: #007BFF;
  color: #fff;
}

/* Submenu — bullets removed */
.sub {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border: 1px solid #ddd;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  min-width: 200px;
  z-index: 10;
  padding-left: 0;
}
.sub li a {
  display: block;
  padding: 0.75rem 1rem;
  color: #333;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}
.sub li a:hover,
.sub li a:active {
  background: #007BFF;
  color: #fff;
}
.sub li a.active {
  background: #007BFF;
  color: #fff;
}


.site-wrap{flex:1;padding:26px 0}
.card{background:var(--card);border:1px solid #e6eefc;padding:16px;border-radius:10px;margin-bottom:16px}
.btn{background:#007BFF;color:#fff;padding:8px 12px;border-radius:8px;border:1px solid black;cursor:pointer}
.option{padding:12px;border-radius:8px;margin:6px 0;cursor:pointer;border:1px solid #eef6ff;background:#fff;transition:all .12s ease}
.option:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(11,102,255,0.06)}
.option.disabled{pointer-events:none}
.option.correct{background:rgba(15,157,88,0.12);border-color:rgba(15,157,88,0.25);color:var(--correct)}
.option.wrong{background:rgba(217,48,37,0.08);border-color:rgba(217,48,37,0.16);color:var(--wrong)}
.question-card{padding:14px;border-radius:10px;border:1px solid #f1f8ff;background:var(--card);margin-bottom:12px}
.flag-img{width:72px;height:48px;object-fit:cover;border-radius:4px;border:1px solid #e6f0ff}
.site-footer{background:#fff;padding:18px 0;border-top:1px solid #e6eefc;text-align:center}

/* Show submenu on hover (desktop) */
@media (min-width: 769px) {
  .menu > li.has-sub:hover > .sub {
    display: block;
  }
}

/* Main content */
.site-wrap {
  flex: 1;
  padding: 2rem 0;
}

/* ✅ Content lists — bullets restored */
.card ul,
.card ol {
  margin-left: 1.5rem;
}

/* Footer */
.site-footer {
  background: #f8f8f8;
  padding: 1rem 0;
  text-align: center;
  font-size: 0.9rem;
  color: #666;
  border-top: 1px solid #ddd;
}

/* Mobile layout */
@media (max-width: 768px) {
  .menu {
    flex-direction: column;
  }
  .menu > li > a {
    border-bottom: 1px solid #eee;
  }
  .sub {
    display: block !important;
    position: relative;
    border-top: 1px solid #eee;
    box-shadow: none;
    padding-left: 1rem;
  }
}