@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

body {
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #0f172a, #1e3a8a);
  color: #f8fafc;
  font-family: 'Inter', sans-serif;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: start;
  overflow-x: hidden;
  animation: fadeIn 1.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.98); }
  to { opacity: 1; transform: scale(1); }
}

header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  padding: 20px 0;
  display: flex;
  justify-content: center;
  z-index: 10;
  animation: slideDown 1s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.banner {
  backdrop-filter: blur(15px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 10px 30px;
  font-size: 1.5rem;
  font-weight: 600;
  color: #f1f5f9;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.container {
  backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  padding: 40px 50px;
  text-align: center;
  transition: transform 0.3s ease;
}

.container:hover {
  transform: scale(1.01);
}

h1 {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.ip-block {
  font-size: 1.4rem;
  margin: 15px 0;
  padding: 10px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: transform 0.2s, background 0.3s;
}

.ip-block:hover {
  transform: scale(1.03);
  background: rgba(255, 255, 255, 0.15);
}

.copy-msg {
  font-size: 0.9rem;
  color: #94a3b8;
  opacity: 0;
  transition: opacity 0.3s;
}

.copy-msg.visible {
  opacity: 1;
}

footer {
  position: absolute;
  bottom: 10px;
  font-size: 0.8rem;
  color: #cbd5e1;
}