body {
  background-color: #000;
  color: #eee;
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

/* Container */
main {
  max-width: 1100px;
  margin: 40px auto;
  padding: 30px;
  background: #111;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(255,255,255,0.1);
}

/* Title */
main h2 {
  text-align: center;
  font-size: 2rem;
  color: #4c9eff;
  margin-bottom: 25px;
}

#fileInput {
  display: block;
  margin: 0 auto 20px auto;
  padding: 10px;
  border: 1px solid #444;
  border-radius: 6px;
  background: #222;
  color: #eee;
}

/* Country block */
.country-block {
  margin-bottom: 20px;
  border: 1px solid #333;
  border-radius: 8px;
  background: #1a1a1a;
  overflow: hidden;
}

/* Collapsible buttons */
.collapsible {
  background: #222;
  color: #fff;
  cursor: pointer;
  padding: 14px 18px;
  text-align: left;
  border: none;
  width: 100%;
  font-size: 1.1rem;
  transition: background 0.3s ease;
}
.collapsible:hover {
  background: #2a2a2a;
}
.collapsible.active {
  background: #333;
}

/* Content */
.content {
  display: none;
  padding: 20px;
  background: #141414;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  background: #141414;
  border-radius: 6px;
  overflow: hidden;
}
th, td {
  border: 1px solid #333;
  padding: 10px 14px;
  text-align: left;
}
th {
  background: #222;
  color: #7cb7ff;
  width: 240px;
}
td {
  color: #ccc;
}

/* Tags */
.tag {
  background: #2b2b2b;
  color: #8fd4ff;
  padding: 4px 8px;
  margin: 3px;
  border-radius: 4px;
  display: inline-block;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  th, td { font-size: 14px; }
}