:root {
  --primary-color: #4a6fa5;
  --secondary-color: #166088;
  --dark-color: #1a1a2e;
  --light-color: #f8f9fa;
  --accent-color: #4fc3f7;
  --card-bg: #ffffff;
  --text-color: #333333;
  --shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
  color: var(--text-color);
}

.container {
  width: 100%;
  max-width: 800px;
  text-align: center;
}

h1 {
  color: var(--secondary-color);
  margin-bottom: 2rem;
  font-size: 2.5rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.user-card {
  background: var(--card-bg);
  border-radius: 15px;
  box-shadow: var(--shadow);
  padding: 2rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s ease;
}

.user-card:hover {
  transform: translateY(-5px);
}

.user-avatar {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 1.5rem;
  border: 5px solid var(--accent-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-info {
  width: 100%;
  text-align: left;
}

ul {
  list-style: none;
  margin-bottom: 1rem;
}

li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  font-size: 1.1rem;
}

li:last-child {
  border-bottom: none;
}

li i {
  margin-right: 1rem;
  color: var(--primary-color);
  width: 20px;
  text-align: center;
}

li span {
  margin-left: 0.5rem;
  font-weight: 500;
}

button {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(74, 111, 165, 0.3);
}

button:hover {
  background-color: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74, 111, 165, 0.4);
}

button i {
  margin-left: 0.5rem;
}

.moveObj {
  height: 100%;
  width: 0%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  background-color: var(--dark-color);
  transition: width 0.5s ease;
}

button:hover .moveObj {
  width: 100%;
}

button:active {
  transform: translateY(0);
}

.loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.loading.active {
  opacity: 1;
  pointer-events: all;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@media (max-width: 768px) {
  .user-card {
    flex-direction: column;
  }

  .user-avatar {
    margin-right: 0;
    margin-bottom: 1.5rem;
  }
}