:root {
  --bg-primary: #0a0e17;
  --bg-card: rgba(18, 24, 38, 0.85);
  --bg-card-hover: rgba(28, 38, 60, 0.95);
  --primary: #5865F2;
  --primary-hover: #4752C4;
  --accent-glow: rgba(88, 101, 242, 0.35);
  --success: #2ecc71;
  --success-glow: rgba(46, 204, 113, 0.35);
  --danger: #e74c3c;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --border: rgba(255, 255, 255, 0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(88, 101, 242, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(46, 204, 113, 0.1) 0%, transparent 40%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 480px;
  animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #3b82f6, var(--success));
}

.logo-badge {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: rgba(88, 101, 242, 0.12);
  border: 2px solid rgba(88, 101, 242, 0.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 24px var(--accent-glow);
}

.logo-badge svg {
  width: 44px;
  height: 44px;
  fill: var(--primary);
}

.success-badge {
  background: rgba(46, 204, 113, 0.12);
  border-color: rgba(46, 204, 113, 0.4);
  box-shadow: 0 0 24px var(--success-glow);
}

.success-badge svg {
  fill: var(--success);
}

.avatar-preview {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: 3px solid var(--success);
  margin: 0 auto 20px;
  box-shadow: 0 0 20px var(--success-glow);
  object-fit: cover;
}

h1 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 28px;
}

.features {
  text-align: left;
  background: rgba(0, 0, 0, 0.25);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 28px;
  border: 1px solid var(--border);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 14px;
  color: #cbd5e1;
}

.feature-item:last-child {
  margin-bottom: 0;
}

.feature-icon {
  color: var(--success);
  font-size: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 24px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(88, 101, 242, 0.5);
}

.btn:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  box-shadow: none;
  margin-top: 12px;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  box-shadow: none;
}

.footer-text {
  margin-top: 24px;
  font-size: 12px;
  color: #64748b;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}