* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #1a1a1a;
  color: #e0e0e0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: #2d2d2d;
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  border: 1px solid #3d3d3d;
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo {
  width: 80px;
  height: 80px;
  margin-bottom: 16px;
}

.login-header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  color: #4caf50;
}

.login-error {
  background: #f4433633;
  color: #f44336;
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 24px;
  font-size: 14px;
  border: 1px solid #f4433666;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 14px;
  color: #888;
  font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="password"] {
  width: 100%;
  padding: 14px 16px;
  background: #1a1a1a;
  border: 1px solid #3d3d3d;
  border-radius: 8px;
  color: #e0e0e0;
  font-size: 16px;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus {
  outline: none;
  border-color: #4caf50;
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
}

.form-group input::placeholder {
  color: #666;
}

.remember-group {
  flex-direction: row;
  align-items: center;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  color: #888;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: #4caf50;
  cursor: pointer;
}

.login-button {
  width: 100%;
  padding: 14px;
  background: #4caf50;
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.1s;
  margin-top: 8px;
}

.login-button:hover {
  background: #43a047;
}

.login-button:active {
  transform: scale(0.98);
}

/* Mobile adjustments */
@media (max-width: 480px) {
  .login-container {
    padding: 16px;
  }

  .login-card {
    padding: 32px 24px;
  }

  .login-logo {
    width: 64px;
    height: 64px;
  }

  .login-header h1 {
    font-size: 24px;
  }
}