* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Roboto, -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  color: #333;
  background: #fff;
  min-height: 100vh;
}

body.invite-checking .unavailable-page {
  display: none;
}

body.invite-checking::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.9);
  z-index: 999;
}

body.invite-checking::after {
  content: '';
  position: fixed;
  left: 50%;
  top: 50%;
  width: 36px;
  height: 36px;
  margin-left: -18px;
  margin-top: -18px;
  border: 3px solid #d9e5fb;
  border-top-color: #0047bb;
  border-radius: 50%;
  animation: invite-loading-spin 0.8s linear infinite;
  z-index: 1000;
}

@keyframes invite-loading-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.unavailable-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.unavailable-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1220px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 32px;
  flex-shrink: 0;
}

.unavailable-header .logo img {
  display: block;
  height: 40px;
  width: auto;
}

.unavailable-lang {
  position: relative;
  cursor: pointer;
  user-select: none;
}

.unavailable-lang-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 500;
  color: #333;
  padding: 8px 28px 8px 0;
  position: relative;
}

.unavailable-lang-trigger::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-25%);
  border: 5px solid transparent;
  border-top-color: #333;
}

.unavailable-lang-trigger img {
  width: 24px;
  height: 24px;
}

.unavailable-lang-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  min-width: 180px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  z-index: 100;
  list-style: none;
}

.unavailable-lang.open .unavailable-lang-menu {
  display: block;
}

.unavailable-lang-menu a {
  display: block;
  padding: 14px 20px;
  font-size: 16px;
  color: #333;
  text-decoration: none;
  border-bottom: 1px solid #f5f7fa;
}

.unavailable-lang-menu a:hover,
.unavailable-lang-menu a.active {
  font-weight: 600;
  color: #0047bb;
}

.unavailable-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px 80px;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

.unavailable-main h1 {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.35;
  color: #1a1a1a;
  margin-bottom: 16px;
}

.unavailable-main p {
  font-size: 16px;
  line-height: 1.6;
  color: #666;
  margin-bottom: 40px;
}

.btn-visit {
  display: inline-block;
  min-width: 160px;
  padding: 14px 48px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: #0047bb;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-visit:hover {
  background: #003a9a;
}

@media (max-width: 768px) {
  .unavailable-header {
    padding: 16px 20px;
  }

  .unavailable-header .logo img {
    height: 32px;
  }

  .unavailable-main h1 {
    font-size: 22px;
  }

  .unavailable-main p {
    font-size: 15px;
  }
}