:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --text-color: #e2e8f0;
  --primary-color: #6366f1;
  --hover-color: #818cf8;
  --input-bg: #334155;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  width: 100%;
  max-width: 600px;
  padding: 2rem;
}

.login-box {
  background-color: var(--card-bg);
  padding: 2.5rem;
  border-radius: 1rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.login-box:hover {
  transform: translateY(-5px);
}

.logo {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
}

.mail-icon {
  width: 48px;
  height: 48px;
  fill: var(--primary-color);
}

h1 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.875rem;
  font-weight: 600;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.input-group {
  position: relative;
}

.input-group input {
  width: 100%;
  padding: 1rem;
  background-color: var(--input-bg);
  border: 2px solid transparent;
  border-radius: 0.5rem;
  color: var(--text-color);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.input-group label {
  position: absolute;
  left: 1rem;
  top: 1rem;
  color: #94a3b8;
  transition: all 0.3s ease;
  pointer-events: none;
}

.input-group input:focus,
.input-group input:valid {
  border-color: var(--primary-color);
  outline: none;
}

.input-group input:focus+label,
.input-group input:valid+label {
  transform: translateY(-1.75rem);
  font-size: 0.875rem;
  color: var(--primary-color);
}

.options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.remember {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.remember input[type="checkbox"] {
  accent-color: var(--primary-color);
}

.forgot {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.forgot:hover {
  color: var(--hover-color);
}

button {
  width: 100%;
  padding: 1rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover {
  background-color: var(--hover-color);
  transform: translateY(-2px);
}

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

.signup {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.875rem;
}

.signup a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.signup a:hover {
  color: var(--hover-color);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

.login-box {
  animation: fadeIn 0.6s ease-out;
}

@media (max-width: 480px) {
  .login-container {
    padding: 1rem;
  }

  .login-box {
    padding: 1.5rem;
  }
}