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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #0a0a0a;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  color: #e9ecef;
}

.content {
  background: #1a1a1a;
  width: 90%;
  max-width: 600px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  border: 1px solid #2a2a2a;
}

.browser-bar {
  background: #141414;
  padding: 12px;
  border-bottom: 1px solid #2a2a2a;
  display: flex;
  align-items: center;
  gap: 12px;
}

.dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #dee2e6;
  opacity: 0.8;
}

.dot:nth-child(1) { background: #ff5f57; }
.dot:nth-child(2) { background: #ffbd2e; }
.dot:nth-child(3) { background: #28c940; }

.address-bar {
  flex: 1;
  background: #252525;
  border-radius: 6px;
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #adb5bd;
}

.lock {
  color: #6c757d;
}

.checking-section {
  padding: 48px 24px;
  text-align: center;
}

.security-animation {
  width: 120px;
  height: 120px;
  margin: 0 auto 24px;
}

.shield {
  width: 100%;
  height: 100%;
}

.shield-path {
  fill: none;
  stroke: #4dabf7;
  stroke-width: 1;
  stroke-linecap: round;
  stroke-linejoin: round;
  animation: shield-animation 2s ease-in-out infinite;
  filter: drop-shadow(0 0 8px rgba(77, 171, 247, 0.3));
  opacity: 0; /* Start invisible */
}

.check {
  fill: none;
  stroke: #4dabf7;
  stroke-width: 1;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 20;
  stroke-dashoffset: 20;
  animation: check-animation 2s ease-in-out infinite;
  filter: drop-shadow(0 0 8px rgba(77, 171, 247, 0.3));
}

h1 {
  font-size: 24px;
  margin-bottom: 8px;
  color: #f8f9fa;
  font-weight: 600;
}

#status-message {
  color: #adb5bd;
  font-size: 16px;
  margin-top: 8px;
}

.loading-dots span {
  display: inline-block;
  animation: dots 1.5s infinite;
  font-size: 24px;
  color: #4dabf7;
  text-shadow: 0 0 8px rgba(77, 171, 247, 0.3);
}

.loading-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.loading-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes shield-animation {
  0% {
    stroke-dasharray: 60;
    stroke-dashoffset: 60;
    opacity: 0; /* Start invisible */
  }
  40% {
    stroke-dasharray: 60;
    stroke-dashoffset: 0;
    opacity: 0.5; /* Partially visible */
  }
  100% {
    stroke-dasharray: 60;
    stroke-dashoffset: 0;
    opacity: 1; /* Fully visible */
  }
}

@keyframes check-animation {
  0% {
    stroke-dashoffset: 20;
  }
  40% {
    stroke-dashoffset: 20;
  }
  60% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes dots {
  0%, 20% {
    transform: translateY(0);
    opacity: 0.2;
  }
  40% {
    transform: translateY(-8px);
    opacity: 1;
  }
  60%, 100% {
    transform: translateY(0);
    opacity: 0.2;
  }
}

.fade-out {
  animation: fadeOut 0.5s ease-out forwards;
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@media (max-width: 480px) {
  .content {
    width: 95%;
  }
  
  .checking-section {
    padding: 32px 16px;
  }
  
  h1 {
    font-size: 20px;
  }
  
  .security-animation {
    width: 100px;
    height: 100px;
  }
}