:root {
  --primary-color: #2563eb;
  --text-color: #1f2937;
  --text-secondary: #4b5563;
  --bg-gradient-start: #f3f4f6;
  --bg-gradient-end: #e5e7eb;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(135deg, #e0c3fc 0%, #8ec5fc 100%);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
  color: var(--text-color);
  overflow: hidden;
}

@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.container {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  max-width: 90%;
  width: 500px;
  transform: translateY(20px);
  opacity: 0;
  animation: fadeUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes fadeUp {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.logo-wrapper {
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
}

.logo {
  max-width: 180px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #2563eb, #7c3aed);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.loader {
  margin-top: 2rem;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.dot {
  width: 10px;
  height: 10px;
  background-color: var(--primary-color);
  border-radius: 50%;
  animation: bounce 1.4s infinite ease-in-out both;
}

.dot:nth-child(1) { animation-delay: -0.32s; }
.dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

.footer {
  margin-top: 3rem;
  font-size: 0.875rem;
  color: #6b7280;
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  .container {
    padding: 2rem;
  }
}